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Valve Manufacturers Industrial

Last updated: January 2026

This directory lists 89 valve manufacturers industrial across the United States, from suppliers specializing in severe service ball valves to those focused on custom engineered gate valves for critical processes.

Buyers in this space are often solving problems related to asset reliability, process efficiency, and regulatory compliance. This includes sourcing valves capable of handling extreme temperatures and pressures, mitigating cavitation in throttling applications, and ensuring minimal seat leakage rates for critical shut-off functions. The challenge extends to specifying the correct body materials and internal components for corrosive media or abrasive slurries.

Supplier types vary significantly, ranging from large, integrated manufacturers offering a full catalogue of industrial valves, including specialized options for cryogenic or high-pressure applications, to niche fabricators focused on custom-engineered solutions for unique pressure vessel tie-ins. Some excel in specific valve types like control valves with advanced positioners, while others specialize in material expertise, offering exotic alloys for highly aggressive chemical services. These differences often dictate their capabilities in terms of production volume, lead times, and engineering support.

89 companies·70 emails·83 phones

Company Directory

89 companies nationwide

Charlotte, NC

Based in Charlotte, NC, Apollo Valves, a division of Aalberts Integrated Piping Systems, is a U.S. manufacturer of industrial valve solutions. The company produces a range of ball valves and gate valves, utilizing advanced piping and connection technology to serve diverse industrial applications.

Birmingham, AL

Based in Birmingham, AL, AMERICAN Flow Control, a division of American Cast Iron Pipe Company, manufactures industrial flow control products. They specialize in fire hydrants for municipal and industrial fire protection, alongside various pipe systems. The company provides infrastructure solutions across the U.S. and globally.

American Valve manufactures industrial valves and limescale prevention solutions for diverse industries. Specializing in durable 4000 Series ball valves and thermoplastic valves, they aim to improve operational efficiency and reduce downtime. The company offers innovative water control solutions, addressing common challenges like leaking valves and hard water scale buildup.

Cincinnati, OH

Anchor Fluid Power manufactures components for high-pressure hydraulic systems, including flanges, quick couplings, and ball and inline valves. Based in Cincinnati, OH, they provide standard and custom fluid power products. The company offers supply chain solutions, technical support, and quality assurance to global customers.

Kansas City, KS

Based in Kansas City, KS, ANIX Valve USA is a direct manufacturer and supplier of industrial stainless, cast, and carbon steel valves. They offer flanged gate, swing check, and globe valves, plus WYE strainers. Products adhere to API and ASME standards for water, oil, and gas applications.

Elburn, IL

Aquatrol is an American manufacturer of ASME-certified safety and relief valves, with over 78 years of industry experience. They produce brass, carbon, and stainless steel valves for industrial applications, including air, gas, liquid, and steam service up to 1,500 PSI. Aquatrol serves customers globally.

Based in Lawrence, MA, Asahi/America, Inc. is an ISO 9001:2015 certified manufacturer of corrosion-resistant thermoplastic valves and piping systems. They provide dependable fluid flow solutions for diverse industrial applications, utilizing their own US-based facilities including a fabrication division, machine shop, and assembly operations.

Assured Automation provides custom and special order automated valve assemblies for industrial applications. With over 25 years of experience, the company offers technical expertise to support diverse projects, ensuring customers can confidently complete their unique applications. Their online tools simplify selecting the right valve solutions.

Automation Technology, Inc. (ATI) provides comprehensive, customized valve automation solutions, specializing in the design and US-based manufacture of industrial valve actuators, power, and control systems. ATI offers turnkey solutions and engineering collaboration for diverse sectors such as Oil & Gas, Power, Chemical, and Water.

Houston, TX

Based in Houston, TX, AZ Valves North America, L.P. manufactures cavity-free plug valves and other special industrial valves. The company supplies its precision-engineered valve solutions to production plants within the chemical and petrochemical industries, supporting critical process control applications.

Bonney Forge Corporation manufactures forged and cast steel valves, olets, fittings, and unions for industrial applications. The company provides mill test reports, 3D CAD models, and educational resources, emphasizing quality and customer support. They ensure project success with transparent production schedules and microstructural analysis for A105 products.

Costa Mesa, CA

Based in Costa Mesa, CA, Cla-Val designs and manufactures a wide range of automatic control valves. Their solutions include reducing, relief, deluge, and air valves for demanding applications. Cla-Val serves various industrial markets such as waterworks, fire protection, fueling, marine, and power generation facilities.

Based in Berwick, PA, Crispin Valve is a fourth-generation family-owned manufacturer of industrial valves, established in 1905. The company produces Air, Check, Butterfly, Plug, and Gate valves in sizes from ½" to 168". Crispin Valve serves municipal water, industrial, mining, chemical, energy, and processing industries globally.

Geismar, LA

Based in Geismar, LA, DelVal Flow Controls manufactures superior quality industrial ball valves, butterfly valves, actuators, and control accessories. Their ISO 9001-2015 compliant products serve diverse applications in Oil & Gas, Power Generation, Mining, Chemical Process, Marine, Pharmaceutical, Food & Beverage, and water markets.

Sartell, MN

Based in Sartell, MN, DeZURIK manufactures industrial valves, specializing in a variety of cast and fabricated Knife Gate Valves. These valves are engineered for diverse media and applications across numerous industries, supported by a dedicated manufacturing staff and global network of sales representatives.

Based in Chestertown, MD, Dixon Valve specializes in manufacturing industrial valves and fluid transfer products. They produce items such as iron handwheel valves, designed for applications including non-shock cold water, oil, or gas systems. The company serves various industrial sectors.

Wheatfield, NY

Based in Wheatfield, NY, DMIC is a designer and manufacturer of industrial ball valves, check valves, flow controls, and custom hydraulic components. Serving the fluid power industry, they provide engineering solutions for OEMs and MRO applications across diverse sectors including aerospace, oil & gas, petrochemical, and marine.

South Plainfield, NJ

Based in South Plainfield, NJ, Everlasting Valve Company Inc manufactures robust industrial valves for bulk material handling and power plant applications. These specialized valves are engineered for extended operational life, often lasting decades, and require minimal maintenance, ensuring reliable performance in demanding environments.

Chesapeake, VA

Fairbanks Morse Defense manufactures defense-grade valve systems, engineered for accuracy and endurance to ensure fluid control under pressure. They specialize in mission-critical marine and power solutions, providing advanced engineering, manufacturing, and support for maritime defense and industrial markets across the United States.

Woodinville, WA

Based in Woodinville, WA, Flow Control Industries delivers high-performance DeltaPValve® technology. The company specializes in HVAC efficiency solutions, aiming to lower costs and optimize building performance through its innovative valve products and systems for industrial and commercial applications.

Irving, TX

Flowserve manufactures and services industrial flow control solutions, including pumps, valves, seals, and automation equipment. They provide heavy-duty, fluid-powered valve actuators for the oil and gas and infrastructure markets from their facility in Irving, TX.

Fluid Line Technology manufactures sanitary industrial valves, including bleed, sample, vent, and diaphragm types. They also produce thermowells and manifolds. Serving biotechnology, pharmaceutical, and food & beverage industries, their BPE compliant products are manufactured in-house.

Raymond, NH

Based in Raymond, NH, Gemini Valve designs, manufactures, and distributes a range of 2-way ball valves. The company provides direct access to their precision-engineered valves, produced from their New Hampshire facility for industrial applications.

Griswold Controls manufactures a comprehensive line of flow control valves, including automatic and pressure-independent types. With over 60 years of expertise, the company provides reliable solutions for HVAC, irrigation, and military applications, setting industry standards for quality in flow control technology.

Atlanta, GA

Based in Atlanta, GA, Henry Pratt Company manufactures industrial valves, including metal seated solid wedge and knife gate valves. Their products are designed to AWWA C500, ANSI, and ASTM standards, serving demanding applications in mining, chemical, food and beverage, and pulp and paper industries.

High Pressure Equipment Company, based in Erie, PA, manufactures high-pressure valves, fittings, and tubing for industrial applications. They offer products operating from 5,000 to 150,000 psi, alongside reactors, pressure vessels, pumps, and gas boosters. The company serves various sectors, including the oil and gas industry.

Hastings, MN

Based in Hastings, MN, International Fluid Power Inc. provides a complete range of hydraulic valves for industrial applications, including direction, flow, and pressure control. They specialize in CETOP2 through CETOP10 size manifold valves and offer global sourcing of fluid power products.

Temecula, CA

Based in Temecula, CA, International Fluid Power of America engineers and manufactures a comprehensive line of industrial and mobile hydraulic products. Their offerings include various types of valves (check, directional control, flow control, needle, relief), pumps, and accessories, designed for demanding applications within the fluid power industry.

International Polymer Solutions (iPolymer) manufactures high-purity, corrosion-resistant industrial valves for challenging fluid handling. Specializing in PTFE and polypropylene, they produce ball, solenoid, pneumatic, and manual valves suitable for corrosive or toxic liquids. Serving chemical processing, water purification, and pharmaceutical industries, iPolymer offers custom and standard valve solutions.

Skokie, IL

Based in Skokie, IL, Keckley Company, established in 1914, manufactures high-quality industrial flow control products. The company specializes in Ball Valves, Check Valves, Float and Lever Valves, and Pipeline Strainers, serving diverse industrial applications with durable and reliable solutions.

Elmira, NY

Kennedy Valve Company, based in Elmira, NY, manufactures a comprehensive range of industrial valves, fire hydrants, and fire protection products. This established company provides essential components for municipal water systems and commercial fire safety applications, specializing in durable and reliable valve solutions for various industrial needs.

Torrance, CA

Based in Torrance, CA, Kingston Valves manufactures high-quality, reliable industrial valves. Operating since 1908, the company offers an online catalog, detailed drawings, and product literature for their valve solutions. Their team of certified experts provides assistance to clients seeking specific valve types.

Houston, TX

Based in Houston, TX, Ladish Valves manufactures engineered solutions for critical flow control applications. They produce application-proven gate, globe, check, and severe service ball valves, including cryogenic options, for demanding industrial sectors like gas processing and LNG. The company offers corrosion-resistant valves with domestic manufacturing and full traceability.

Cranston, RI

Cranston, RI-based Leonard Valve Company manufactures high-quality water temperature control valves exclusively in the USA. They provide master mixers, complete water tempering systems, emergency mixing valves, and shower valves for commercial building applications. With over 100 years of experience, the company is committed to safe tempered water solutions.

Valencia, CA

Based in Valencia, CA, Magic Plastics, Inc. manufactures high-quality plastic valves and fittings. With over 45 years of experience, they serve diverse sectors including industrial, plumbing, pool & spa, agricultural, and OEM. Their US facility produces a comprehensive range of valve types, such as corrosion-resistant back-flow prevention check valves.

Houston, TX

Based in Houston, TX, MASCOT Valves manufactures industrial control valves, including globe, eccentric plug, segmented ball, butterfly, and shut-off varieties. They serve diverse sectors such as Oil & Gas, Power, Petrochemicals, and Chemical Processing, providing solutions for severe service applications, actuators, and positioners from their US facilities.

Oklahoma City, OK

Mercer Valve Co., Inc. is a US-based mixed-mode manufacturer specializing in high-quality, long-lasting pressure relief valves. They serve distributors, manufacturers, and various industrial clients, providing critical components designed for reliability and performance.

Metrex Valve is a California-based manufacturer specializing in high-quality R-22 and R-410a valves. The company provides refrigerant valves designed for both low-pressure and high-pressure industrial applications, serving various B2B needs.

Atlanta, GA

Milliken Valve Company designs and builds valves, actuators, and control systems specifically for the water, wastewater, and industrial industries. They provide a wide range of AWWA standard products, including swing check valves and plug valves, for specialized applications.

North Kansas City, MO

North American Safety Valve Industries, Inc., based in North Kansas City, MO, specializes in remanufacturing and repairing industrial safety valves. The company provides state-of-the-art valve repair services, replacement parts, and distributes new valves from brands like Kunkle, Consolidated, and Crosby for industrial clients.

Omni Valve manufactures surface safety and isolation valve solutions for the oil and gas energy market. The company features a robust domestic manufacturing capability, engineering and delivering products to API, ISO, or customer-specific requirements. They also offer comprehensive valve assemblies and control systems, distributed globally.

Brea, CA

PacSeal Hydraulics, based in Brea, CA, manufactures industrial valves featuring ShearFlo® metal-to-metal sealing technology. They produce directional, subsea, and relief valves, engineered for high-pressure, high-flow critical applications. These US-made components serve industries like Oil & Gas and Aerospace, also offering custom solutions.

Based in Irwin, PA, IMI PBM manufactures safe, reliable, and high-quality industrial and sanitary valves. Their comprehensive product line includes 2-way, multi-port, and cryogenic ball valves, along with specialized process solutions. IMI PBM serves diverse sectors like Chemical/Petrochemical, Energy, Food & Beverage, and Pharmaceutical industries.

Cincinnati, OH

Powell Valves, based in Cincinnati, OH, manufactures industrial valves since 1846. They produce gate, globe, check, non-return, and high-performance butterfly valves. The company offers custom modifications and field services, ensuring quality with ISO 9001 certification.

Stockton, CA

Based in Stockton, CA, Proco Products, Inc. manufactures engineered industrial check valves and expansion joints. They offer a diverse range of mechanical rubber duckbill and in-line check valves, along with various rubber and fabric expansion joints, designed for critical fluid piping systems.

Based in Pittsburgh, PA, Red Valve manufactures and supplies industrial pinch, check, and control valves. The company provides engineered flow control solutions for demanding applications within municipal and industrial plants worldwide. Red Valve leverages extensive elastomer design and manufacturing experience to develop durable valve products and services.

Lake Forest, CA

RED-WHITE VALVE CORP. manufactures and supplies a variety of valves for plumbing, commercial, industrial, and HVAC markets. With over 50 years of experience, the company utilizes its own manufacturing processes to ensure quality control. They offer products like hydronic installation and lead-free thermostatic balancing valves, serving distributors and wholesalers.

Ratermann Manufacturing Inc specializes in the production of industrial valves, offering specific expertise in manufacturing Long Stem Cryogenic Ball Valves. The company caters to various industrial applications requiring precision and reliability in valve technology.

ROSS Controls engineers and manufactures industrial pneumatic, hydraulic, and electrical controls. The company specializes in producing safe, energy-efficient safety valves and other fluid control products, serving a variety of industrial applications.

Ross Valve manufactures a comprehensive range of expertly engineered flow control, pressure control, and cone valves. Committed to quality and craftsmanship, the company produces all products in the USA. Their valves ensure top performance, reliability, and compliance with industry standards, including the American Iron and Steel Act and No Lead in Drinking Water Act.

Santa Fe, TX

Based in Santa Fe, TX, SCV Valve, LLC manufactures high-quality, API-certified valves. The company provides industrial valve solutions specifically for midstream and geothermal applications, focusing on robust engineering and production capabilities. They serve clients requiring specialized industrial components.

Corona, CA

Based in Corona, CA, Stainless Steel Ball Valves supplies and manufactures industrial stainless steel ball valves. They specialize in 2-piece and 3-piece models, offering custom flanged and butt weld ends. Products, made from 316 and 304 stainless steel, serve chemical, agricultural, construction, pharmaceutical, and food/beverage industries.

Fremont, CA

Based in Fremont, CA, Sizto Tech Corporation (STC) manufactures high-quality industrial solenoid valves and flow control solutions. With ISO certified design and US-based manufacturing facilities, STC provides reliable components for diverse industrial applications, ensuring precise control in critical systems.

Oklahoma City, OK

Based in Oklahoma City, OK, Taylor Valve Technology manufactures high-quality industrial safety relief, high-pressure relief, and back pressure valves. Their products meet API and ASME Code requirements for demanding oil & gas, chemical, power generation, and processing industry applications. They ship worldwide from their US facility.

Houston, TX

Based in Houston, TX, Tiger Valve Company (TVC) manufactures a range of industrial valves for the US and Canadian markets. They specialize in engineered valves, including flanged floating valves and shut-off pig valves, providing robust flow control solutions for diverse industrial applications.

Houston, TX

Based in Houston, TX, TOP Valve Industries, LLC is a family-owned and operated company specializing in industrial valves. Established in 2015, they supply valve products and solutions across multiple locations to support diverse industrial operations. Their offerings serve the robust needs of the industrial sector.

Triad Process Equipment manufactures high-quality industrial ball valves, butterfly valves, and control valves. They specialize in pneumatic and electric direct-mount ball and butterfly valves, serving the California area since 1990 and operating as a nationwide ball valve supplier.

Southern California Valve manufactures industrial valves, holding significant certifications including API 6A, API 6D, ISO:9001, CE-PED, and CRN. The company operates under the API Q1 Quality Management System, ensuring high standards for its valve products, likely serving industrial sectors such as oil and gas.

Kennesaw, GA

Based in Kennesaw, GA, Valtorc International manufactures and supplies industrial-grade valves and actuators. They specialize in manual and automated ball, butterfly, knife gate, V-ball, and fusible link valves. Their USA manufacturing facility produces high-quality valve solutions, including high-performance electric and pneumatic actuators.

Alpharetta, GA

Based in Alpharetta, GA, Valve Solutions, LLC manufactures valves and actuators for commercial and industrial markets. The company provides automated valve packages and has launched its own series of resilient seated butterfly valves, electric actuators, and high-performance segmented ball valves. It also partners with other industry suppliers.

Valveworks USA manufactures wellhead and tree equipment, including frac trees and choke & kill manifolds, for industrial pressure control applications. Based in Louisiana, the company emphasizes quality, utilizing high-grade materials and advanced production processes. They provide a vast stock of ready-to-ship products.

Paramus, NJ

VERSA Products, based in Paramus, NJ, manufactures industrial valves acclaimed for their rugged construction. These valves provide superior corrosion resistance and long-term durability, establishing them as a trusted solution, particularly within the demanding chemical manufacturing industry.

Stafford, TX

Based in Stafford, TX, Vogt Valves Inc. designs and produces high-performance flow control valves for critical services. They offer manual, automated, and control options for specialized sectors including oil & gas, renewables, and aerospace industries. Their US manufacturing facility ensures top product quality for customers.

Missouri City, TX

Based in Missouri City, TX, Warren Valve manufactures high-quality industrial valves for the oil & gas and other industrial markets across North America. They offer a comprehensive range including forged trunnion mounted ball valves, cast floating ball valves, and cast & forged gate valves in diverse sizes and materials.

San Fernando, CA

Westfield Hydraulics, Inc., based in San Fernando, CA, designs and manufactures powered and non-powered valves, solenoids, and fluid controls. Specializing in aerospace and defense applications since 1974, the company produces custom hydraulic, check, and relief valves for clients like Boeing and the Department of Defense.

Bürkert USA manufactures industrial valves (cryogenic, solenoid, pneumatic), sensors, and fluid systems. They provide solutions for measuring, controlling, and regulating fluids and gases. Serving diverse sectors like food and beverage, pharmaceuticals, biotechnology, and analytical technology, they focus on fluid technology and process automation solutions.

Bakersfield, CA

Based in Bakersfield, CA, GWC Valve manufactures and distributes engineered Ball Valves for various industrial applications. The company provides advanced solutions for Upstream, Midstream, Downstream, Offshore, Onshore, LNG, Pipeline, and Subsea markets, operating with facilities in California and Texas.

Hays Fluid Controls manufactures precision-engineered flow control solutions, including automatic balancing and control valves. The company serves industrial clients across various sectors such as commercial HVAC, data center liquid cooling, marine applications, and commercial military environments. They specialize in reliable valves for mission-critical systems.

Wixom, MI

Based in Wixom, MI, MAC Valves, Inc. manufactures pneumatic and fluid valves for diverse industrial applications. The company specializes in its patented Pulse Valve series, offering robust and reliable solutions for reverse jet bag houses, dust collectors, pneumatic conveying, and bulk material handling. MAC Valves utilizes bonded spool technology.

Power Valve U.S.A. initially served as an agent for pneumatic and hydraulic products before developing its own line of industrial valves. The company provides high-efficiency solenoid directional control valves and pneumatic directional magnetic valves designed for various industrial applications.

Bellville, TX

Copeland Valve, a division of ValSource International, designs and manufactures high-performance metal seated ball valves, control valves, and custom valve solutions. Based in Bellville, TX, the company specializes in products for severe service applications across the oil & gas, petrochemical, and power generation industries, providing comprehensive engineering and manufacturing.

ITT Engineered Valves manufactures industrial and highly engineered custom knife-gate and hygienic diaphragm valves. They provide solutions for severe, critical service applications across diverse sectors. Key industries served include mining, biopharmaceuticals, nuclear operations, oil sands, power, chemical, and pulp & paper.

Glens Falls, NY

Based in Glens Falls, NY, Flomatic Valves specializes in manufacturing a comprehensive range of industrial valves. Their product line includes check valves, foot valves, air/vacuum valves, automatic control valves, gate valves, plug valves, and butterfly valves, serving various industrial applications.

Hayward Flow Control manufactures industrial flow control products and a range of valves, including ball valves and butterfly valves. With 100 years of experience and ISO certification, the company serves diverse markets such as chemical processing, oil & gas, waste & water treatment, power generation, and data centers.

San Antonio, TX

Hy-Lok USA is a leading manufacturer of high-quality instrumentation and general industrial valves and fittings. Based in San Antonio, TX, the company produces products for critical applications in various sectors, including fossil and renewable energy power stations, chemical processing, oil and gas, and shipbuilding industries.

Ontario, CA

Impact Water Products, based in Ontario, CA, specializes in industrial water treatment solutions. The company is actively developing and launching new 2-inch plastic valves and 1.5-inch plastic twin valves, directly providing components for industrial water applications. They also offer BroncOzone systems and industry training seminars.

New Berlin, WI

Milwaukee Valve Company, established in Wisconsin in 1901, is a long-standing manufacturer specializing in industrial valves. The company produces a range of high-quality plumbing and heating valves, serving various commercial and industrial applications. With over a century of experience, they provide robust valve solutions.

Yreka, CA

Based in Yreka, CA, Pfeiffer Vacuum Valves & Engineering manufactures precision high and ultra-high industrial vacuum system components. The company produces highly-configured custom vacuum chambers and over 6000 standard vacuum components. It serves national laboratories, universities, and UHV equipment manufacturers with American-made products.

Lincoln, CA

Precision Fluid Controls, Inc., based in Lincoln, CA, designs, manufactures, and tests a wide array of industrial valves and pressure controls. Specializing in components like ball, check, relief, throttling, and solenoid valves, they serve the aerospace, launch vehicle, and ground support industries with precision fluid control solutions.

Houston, TX

Smith Valves manufactures U.S.-assembled API 602 forged steel valves for demanding industrial applications. They offer gate, globe, check, Y-pattern, cryogenic, bellows seal, and ball valves. Serving oil, gas, refinery, and petrochemical sectors, the company ensures quality and compliance with API 602, ASME B16.34, and API 624 standards.

The Specialty Mfg. Co. manufactures a comprehensive line of metal and plastic valves, including check, ball, needle, and miniature options for pneumatic and fluid control applications. Proudly made in the U.S.A. and ISO 9001:2015 certified, the company also provides custom manufacturing solutions.

Monroe, NC

Based in Monroe, NC, Stainless Valve Company, Inc. designs and manufactures high-quality, custom engineered valve solutions. With over 50 years of experience, the company provides robust and reliable industrial valves tailored to specific application requirements.

La Palma, CA

SVF Flow Controls designs and manufactures engineered valves, actuators, and controls. The company provides flow control technology solutions for industrial applications. With over 35 years of experience, they focus on delivering reliable products for various industrial needs and processes in the United States.

U.S. Valve Corp. is a manufacturer specializing in industrial check valves, featuring low pressure drop designs. Its valves are developed for efficiency in demanding applications like data centers. The company operates manufacturing locations in Maryland, Europe, and Asia, offering NSF certified check valves to industrial clients.

Elmhurst, IL

Based in Elmhurst, IL, Val-Matic Valve & Mfg. Corporation manufactures quality industrial valves for municipal and industrial applications. Their product line features Surgebuster® check valves, Cam-Centric® plug valves, and wastewater air valves. Established in 1966, the company is ISO 9001:2015 certified.

Warren Controls manufactures high-quality valve specialties for industrial applications. They serve Original Equipment Manufacturers (OEMs), various end-users across multiple sectors, and US Military programs. The company provides robust control valves and related products, focusing on reliable solutions for diverse flow control needs and critical system requirements.

Bakersfield, CA

Based in Bakersfield, CA, Western Valve manufactures industrial double block and bleed valves. All parts are machined and assembled at their US facility, utilizing castings from North American foundries. They specialize in valves designed for superior strength, greater slip retraction, and extended slip life to reduce maintenance.

Long Island City, NY

Based in Long Island City, NY, Williams Valve manufactures 100% American-made industrial and commercial valves. They produce gate, globe, check, and ball valves for demanding military, marine (US Navy, Coast Guard), and various industrial applications. The company offers custom design, manufacturing, and testing services.

Emerson provides process control, isolation, and safety valve solutions for diverse industrial sectors. This global technology and engineering company supplies critical valve products to the energy, power, chemical, life science, and mining industries.

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How to Choose a Company

  • Confirm the manufacturer's expertise in your required pressure class (e.g., ASME Class 600, API 6A 5000) and ensure they have a proven track record with the specific body and trim materials necessary for your media (e.g., NACE MR0175 compliant alloys for sour service, Stellite for abrasion resistance).
  • Beyond the valve itself, assess their capability to integrate with your specified actuation type (pneumatic, electric, hydraulic) and control system protocols (e.g., HART, FOUNDATION Fieldbus). Ensure they can supply or recommend compatible positioners and solenoid valves for seamless system operation.
  • For environmental compliance or critical applications, demand proof of fugitive emissions testing to standards like ISO 15848-1 or API 624. Look for advanced sealing technologies such as live-loaded packing glands or bellows seals, especially for volatile organic compounds or hazardous media.
  • Confirm their adherence to relevant industry certifications for your end market, such as API Monogram licenses for oil & gas, PED compliance for European export, or SIL certification for safety-instrumented systems. Request their Quality Control Plan, specifically focusing on hydrostatic and pneumatic testing procedures.
  • A common red flag is a manufacturer unwilling or unable to provide comprehensive documentation, including material test reports (MTRs), general arrangement drawings, and pressure-temperature ratings. Equally concerning is a lack of readily available spare parts (e.g., seats, seals, packing) and clear lead times, which can cripple your long-term maintenance strategy.

Frequently Asked Questions

What's the difference between 'pressure class' and 'pressure rating' for industrial valves?

Pressure class refers to a standardized pressure-temperature rating system (e.g., ASME B16.34 classes like Class 150, 300, 600), where the allowable operating pressure decreases as the temperature increases. Pressure rating, conversely, is the maximum allowable working pressure (MAWP) for a specific valve at a given temperature, often determined by the manufacturer based on design and material. Always specify both the class and the intended operating conditions to ensure the valve meets your system's exact requirements.

Why are fugitive emissions standards like ISO 15848-1 or API 624 critical for valve selection?

These standards define strict leakage performance criteria for valves to minimize the escape of process fluids into the atmosphere, particularly volatile organic compounds (VOCs) or hazardous air pollutants (HAPs). Compliance ensures environmental protection, worker safety, and avoids costly regulatory fines. Manufacturers achieving these certifications typically employ advanced stem sealing designs, such as live-loaded packing or specialized gland arrangements, which significantly reduce leakage over the valve's operational life.

When should I consider a forged body valve over a cast body valve for industrial applications?

Forged body valves are typically recommended for high-pressure, high-temperature, or severe service applications where maximum material integrity and resistance to mechanical stress, thermal shock, or impact are paramount. The forging process eliminates internal porosity and refines the grain structure, resulting in a stronger, more ductile valve body. Cast body valves, while more cost-effective for larger sizes or complex geometries, may have minor internal imperfections, making them suitable for less demanding general industrial applications.

What are 'trim materials,' and how do they impact valve performance and lifespan?

Trim materials refer to the internal components of a valve that are in direct contact with the flowing media, including the stem, disc/ball/gate, seat rings, and back seats. Their selection is crucial as they determine the valve's resistance to corrosion, erosion, cavitation, and wear. For instance, Stellite is often specified for abrasive services, Monel for seawater applications, and 316 Stainless Steel for general corrosive environments. Incorrect trim selection can lead to premature failure, poor sealing, or excessive maintenance, drastically impacting your process reliability.

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