Best Diaphragm Valve Manufacturers Suppliers

Guangdong Yuantong Industrial Technology Co., Ltd.

🇨🇳 China

2005

51-100 people

Manufacturer/Trading Company/Distributor

Established brand

OEM manufacturer

ODM manufacturer

Product customization

Shipments

Key customer

CONG TY TNHH THUONG MAI KY THUAT HUNG GIA PHAT

Key market

North America

Review

4.9

YNTO Pneumatic Diaphragm Valve PPH Pvc Normally Closed Diaphragm Valve 1inch$31

Acid-Resistant Manual Diaphragm Valve with Quick-Release Handwheel PVDF Valves Body for High Temperature Water Media$331

20-Inch Diaphragm GF PPH Diastar G Lined PVC Handwheel Valve with Rubber Ten Plastic Leakproof 624 Acting Valves Water Gas Media$231

Industrial Chemical PVC-U 6 Inch butterfly Valve for Water Pneumatic Sewage Nickel Corrosion Resistance-with Limiter$38

Kaixin Pipeline Technologies Co., Ltd

🇨🇳 China

1999

201-300 people

Manufacturer/Trading Company/Wholesaler

Established brand

OEM manufacturer

Product customization

High-tech enterprise

Shipments

246

Key customer

VIMEX

Key market

North America

Description

Kaixin Pipeline Technologies Co., Ltd, also known as Ningbo Kaixin Pump & Valve Manufacture Co., Ltd, is a high-tech manufacturer and wholesaler established in 1999 and headquartered in Ningbo, China. Operating from a 25,000 square meter facility with nearly 300 employees, the company specializes in the research, development, and production of industrial plastic pipeline systems and corrosion-resistant equipment. Their extensive product portfolio includes plastic valves (diaphragm, ball, butterfly, globe, and check), pipes, and fittings manufactured from high-performance materials such as CPVC, UPVC, PVDF, PPH, FRPP, and RPP. Notably, the company is a unique manufacturer in China capable of producing DN1000 plastic butterfly valves and molding DN600 pipe fittings in a single process. Kaixin Pipeline Technologies serves a diverse range of demanding sectors, including chemical processing, pharmaceutical, lithium battery production, steel, and water treatment. Their technical capabilities are supported by a fully automated R&D center and advanced testing laboratories, utilizing raw materials imported from Japan, France, and the United States. The company holds several key certifications, including ISO 9001:2000, ISO 14001, and the National Pressure Pipeline Registration Safety License (TS). As a member of the SINOPEC equipment source network, they provide OEM and ODM services to global markets. With an annual turnover nearing 200 million yuan, the company exports its specialized fluid control solutions to over 150 countries across Europe, North America, and Asia.

Best Factory PVDF Diaphragm Valve, Chemical Valve, Plastic Valve$9

Best Quality Pph Diaphragm Valve, Chemical Valve, Plastic Valve$6.7

Best Factory Rpp Diaphragm Valve, Chemical Valve, Plastic Valve$6.7

Best Factory CPVC Diaphragm Valve, Chemical Valve, Plastic Valve$6.7

Plastic Valve, Plastic Material PVDF Diaphragm Valve, Chemical & Industrial Use$6.7

Plastic Valve, Plastic Material Pph Diaphragm Valve, Chemical & Industrial Use$6.7

Plastic Valve, Plastic Material UPVC Diaphragm Valve, Chemical & Industrial Use$6.7

Best Factory Rpp Diaphragm Valve, Industrial Plastic Valve, PVC Valve$6.7

Best Factory Pph Diaphragm Valve, Industrial Plastic Valve, PVC Valve$6.7

Plastic Valve, Plastic Material CPVC Diaphragm Valve, Chemical & Industrial Use$6.7

Best Quality PVDF Diaphragm Valve, Industrial Plastic Valve, PVC Valve$9

Plastic Valve, Plastic Material Rpp Diaphragm Valve, Chemical & Industrial Use$6.7

Crane Instrumentation & Sampling PFT Corp.

🇺🇸 United States

1925

201-300 people

Manufacturer/Distributor

Established brand

OEM manufacturer

Own brand

High-tech enterprise

Shipments

4200

Key customer

RELIANCE INDUSTRIAL

Key market

🇺🇸 United States

Description

Crane Instrumentation & Sampling PFT Corp., a business unit of Crane Co., is a premier manufacturer of hydraulic and pneumatic control products and components. Established in 1925 and headquartered in Spartanburg, South Carolina, the company operates a significant manufacturing facility and employs between 200 and 300 professionals. They specialize in high-performance fluid handling solutions under globally recognized brands including HOKE®, GYROLOK®, GO REGULATOR®, DOPAK®, and TEXAS SAMPLING®. Their extensive product portfolio features precision instrumentation valves (ball, needle, diaphragm, and check), pressure regulators, tube fittings, sampling cylinders, and modular sampling systems. These components are engineered from superior alloys such as 316 stainless steel, Monel®, Hastelloy®, and titanium to ensure safety and reliability in critical environments. The company serves a diverse range of industries, including oil and gas, chemical and petrochemical, power generation, pulp and paper, and alternative fuels. As an OEM and contract manufacturer, they provide both standardized and custom solutions, supported by a global distribution network spanning over 67 countries. Their commitment to quality is demonstrated through certifications such as ISO 9001:2015, ASME, RoHS, REACH, and EAC, ensuring compliance with international safety and environmental standards.

Diaphragm Valves

Instrumentation Valves

Zhejiang Doxi Valve Co., Ltd.

🇨🇳 China

1990

501-1000 people

Manufacturer/Trading Company

High capacity factory

Established brand

Own brand

Product customization

Shipments

Key customer

OTKONSAS OTOMATIK KONTROL SISTEMLERI URETIM TAAHHUT VE TICARET ANONIM SIRKETI

Key market

North America

Description

Zhejiang Doxi Valve Co., Ltd., a member of the Xuanda Industrial Group, is a prominent manufacturer and trading company specializing in high-performance anti-corrosion valves and fluid control equipment. Established in 1990 and headquartered in Wenzhou, China, the company operates from a 66,000-square-meter facility in the Xuanda Industrial Park. With a workforce of over 600 employees, including a dedicated team of engineers and technicians, the company has established itself as a National High-Tech Enterprise and an executive member of both the China Valve Association and the China Pump Industry Association. The company specializes in the design and manufacture of PFA, PTFE, and FEP lined valves, which are engineered specifically for aggressive fluids and corrosive applications in industries such as chemical processing, oil and gas, metallurgy, and semiconductor manufacturing. Its extensive product portfolio includes lined butterfly, ball, diaphragm, plug, and check valves, as well as specialized high-temperature valves capable of withstanding up to 1,200°C. Doxi Valve also provides industrial pumps, pipe fittings, and sulfuric acid storage tanks. Equipped with advanced manufacturing capabilities, the company operates a Class 10,000 cleanroom for high-purity applications and maintains a Technology Center and Anti-Corrosion Research Institute to drive innovation. They offer comprehensive OEM, ODM, and contract manufacturing services, ensuring products meet international standards including ANSI, DIN, JIS, and GB. Zhejiang Doxi Valve Co., Ltd. holds numerous quality certifications, including ISO 9001, ISO 14001, CE/PED, API 6D, and FDA, supporting its export operations across North America, South America, and Europe.

Stainless Steel PTFE Lined Diaphragm Valve$192

Xuanda Industrial Group Co., Ltd.

🇨🇳 China

1990

501-1000 people

Manufacturer/Trading Company/Service Company/Distributor

High capacity factory

Established brand

OEM manufacturer

ODM manufacturer

Key customer

YUNNAN INSTITUTE OF CHEMICAL TECHNOLOGY

Key market

North America

Description

Xuanda Industrial Group Co., Ltd., established in 1990 in Wenzhou, China, is a comprehensive manufacturer, trading company, distributor, and service provider specializing in industrial valves, pumps, pipes, tanks, and fittings. Recognized as a National Emphasis High-Tech Enterprise, the company operates a 66,000m² factory and employs 501-1000 people, including a dedicated team of engineers and technicians. Xuanda Industrial Group is a leading manufacturer of anti-corrosion products, offering OEM and ODM services. Their extensive product portfolio includes various types of lined and unlined valves such as ball, gate, butterfly, check, globe, diaphragm, and plug valves, with a specialization in lined valves for corrosive applications. They also produce industrial pumps, pipe fittings, storage tanks, and reaction kettles, including specialized items like high-temperature valves and sulfuric acid plant equipment. Products are manufactured to international standards including ISO 9001, ISO 14001, CE, API 6D, PED, and GB/T28001. With a strong focus on R&D and environmental protection technology, Xuanda Industrial Group serves diverse industries including oil and gas, petrochemical, chemical, metallurgy, power generation, foodstuff, paper making, and construction. The company exports to North America, South America, Eastern Europe, the Middle East, and Asia, and is expanding its production capacity with a new 56,000 square meter industrial plant to enhance automated and intelligent manufacturing.

Stainless Steel PTFE Lined Diaphragm Valve$192

Zhejiang WanGuo Fluid Equipment Technology Co., Ltd.

🇨🇳 China

1999

11-50 people

Manufacturer

Established brand

ODM manufacturer

Own brand

Product customization

Shipments

1237

Key customer

ТОО "METALL SOLUTIONS KAZAKHSTAN"

Key market

Europe

Description

Zhejiang WanGuo Fluid Equipment Technology Co., Ltd., established in 2008 and located in Wenzhou, China, is a professional manufacturer specializing in high-precision sanitary fluid equipment. The company integrates development, design, production, and sales, serving industries such as food, beverage, pharmaceutical, biotechnology, water treatment, cosmetic, and chemical. With a workforce of 11 to 50 employees, Zhejiang WanGuo Fluid Equipment Technology Co., Ltd. utilizes advanced manufacturing processes, including OKUMA-BYJC and MAZAK CNC machining centers, CNC lathes, milling centers, and automated production equipment, ensuring high product quality. Their comprehensive product range includes Sanitary Valves (such as Sanitary Butterfly Valves, Sanitary Ball Valves, Sanitary Diaphragm Valves, and Sanitary MixProof Valves), Sanitary Fittings (including tri-clamp fittings, unions, and pipe fittings), Sanitary Pumps (like Sanitary Centrifugal Pumps and Sanitary Rotary Pumps), Sanitary Steel Pipe, Precision Forging, and various equipment such as Milk Tanks, Beer Tanks, Membrane Filters, and Candle Type Filters. All products are designed and manufactured to international standards including DIN, SMS, 3A, IDF, ISO, and RJT, meeting GMP, ISO 9001, and CE safety standards. The company operates as a contract manufacturer and exports its products to international markets including Europe, South America, North America, Southeast Asia, and the Middle East.

Stainless Steel Diaphragm Valve (IFEC-GMF100001)$1

Process Valve & Instruments

🇺🇸 United States

1986

201-300 people

Trading Company/Wholesaler/Distributor/Service Company/Manufacturer

Established brand

Product customization

OEM manufacturer

Key customer

ALABAMA POWER CO FARLEY NUCLEAR PLANT

Key market

🇺🇸 United States

Description

Process Valve & Instruments, established in 1986 and based in Leeds, US, is a B2B supplier, wholesaler, distributor, and manufacturer specializing in industrial valves, instruments, and related components. With 201-300 employees, the company serves a wide range of industries across the USA, including Manufacturing (especially OEMs), Pulp & Paper, Oil & Gas, Chemical Processing, and Power Generation. They offer a comprehensive portfolio of products including various types of industrial valves (ball, butterfly, gate, globe, check, control, safety relief, solenoid), pipe and tube fittings, pressure gauges, thermometers, transmitters, industrial hoses, and valve actuators (pneumatic, electric). Process Valve & Instruments also provides OEM services and specializes in custom actuator assemblies, leveraging over 60 years of in-house experience in assembling and testing valve packages. Their product range covers pressure ratings from vacuum to 30,000 PSI and sizes from 1/8" to 24" (fabricated up to 120"), with materials including Stainless Steel, Brass, Carbon Steel, Hastelloy, and Monel. The company focuses on helping customers maximize uptime, increase output, decrease operating costs, and improve safety through quality products and timely deliveries.

Diaphragm Valves

Other Valves

Safety Valves and Relief Valves

Pinch Valves

Gate Valves

Butterfly Valves

Pinch Valves

Custom Valve Packages

Check Valves

Sampling Valves

Safety Valves and Relief Valves

Beijing Kangjie Zhichen Water Treatment Co., Ltd.

🇨🇳 China

1994

201-300 people

Manufacturer/Service Company

Established brand

High-tech enterprise

Multinational enterprise

Eco-friendly supplier

Shipments

Key customer

CANATURE WATERGROUP CANADA INC

Key market

Europe

Description

Beijing Kangjie Zhichen Water Treatment Co., Ltd., also known as JKmatic Co., Ltd., is a high-tech manufacturer and service provider specializing in environmentally friendly and energy-efficient water treatment solutions. Founded in 1994 and headquartered in Beijing's Shahe Industrial Zone, the company has over 30 years of industry experience. It operates a factory with more than 10 production lines and employs between 201 and 300 professionals. The company is ISO 9001 certified and maintains a strong focus on research and development, collaborating with institutions like Wuhan University and industry leaders such as Pentair. As an OEM and ODM provider, JKmatic offers a comprehensive product portfolio including diaphragm valves, disc filters, stager controllers, and multi-valve systems. Their specialized equipment covers resin exchange systems, silica sand filters, active carbon filters, and seawater desalination filters. They are particularly recognized for their non-electric automatic water softeners and advanced hydraulic controllers. Serving industrial, residential, and agricultural sectors, the company maintains a global presence through a network of international partners and agents across Asia, North America, and Europe.

Y Type Diaphragm Valve

Back Wash Valve

Asahi/America, Inc.

🇺🇸 United States

1971

101-200 people

Manufacturer/Trading Company/Distributor

Established brand

OEM manufacturer

Product customization

Own brand

Shipments

1324

Key customer

TROCETTI

Key market

🇺🇸 United States

Description

Asahi/America, Inc. is a premier manufacturer and distributor of corrosion-resistant thermoplastic fluid flow solutions, headquartered in Lawrence, Massachusetts. Founded in 1971, the company operates a 200,000-square-foot facility that includes a machine shop, valve and actuation assembly shops, a Class 1000 cleanroom, and a dedicated R&D lab. As an ISO 9001:2015 certified organization, it specializes in a comprehensive range of products including thermoplastic valves (ball, butterfly, diaphragm, check, gate, and globe), electric and pneumatic actuators, and advanced piping systems. Their piping portfolio features high-purity, industrial, and double-containment systems under brands such as PolyPure®, Chem Proline®, and Duo-Pro®. Beyond standard components, the company provides custom fabrication services through its Louisiana-based division, specializing in large-scale projects and OEM solutions. Asahi/America serves a diverse array of demanding industries, including semiconductor manufacturing, chemical processing, water and wastewater treatment, pharmaceutical, and power generation. Leveraging global partnerships with Asahi Yukizai Corporation and AGRU, the company maintains a robust international trade presence, distributing high-quality fluid handling equipment across the United States, Canada, Latin America, Europe, and Australia. In addition to product manufacturing, they offer technical support, on-site consultation, and welding equipment rental and training services.

Diaphragm Valves

Check Valves

Manual Valves

Butterfly Valves

Gate Valves

Globe Valves

Type-21/21a True Union Ball Valve (1/2" – 6")

Ball Valves

Fluid Line Technology Corp

🇺🇸 United States

1989

11-50 people

Manufacturer/Service Company

Established brand

OEM manufacturer

Product customization

Key customer

CARLTEX INC

Description

Fluid Line Technology Corp is a US-based manufacturer and service company specializing in high-quality fluid handling components for the biotechnology, pharmaceutical, and life sciences industries. Established in 1989, the company operates from Chatsworth, California, with 11 to 50 employees. They offer a comprehensive range of precision-engineered fluid handling solutions, including various sanitary valves (bleed, sample, vent, diaphragm, zero static bleed & sample valves), sanitary thermowell elbows and tees, instrument tees & CPMs, sample coolers (steam condensers), and filter housings. Fluid Line Technology also specializes in single-use & limited-use technology, specialty products, and engineered fabrications like manifolds and heat exchangers. The company provides OEM services and boasts in-house capabilities for machining, welding, electropolishing, and inspection, supporting fast lead times and prototyping. All products are BPE compliant, and the company is ISO 9001 and ASME certified, ensuring high standards for cleanliness, precision, and reliability.