Top 8 China Dual Plate Check Valve Factory

Looking for a reliable China dual plate check valve factory for your project? China is home to numerous API 594 certified manufacturers with competitive pricing and extensive capabilities. We’ve compiled this list of eight leading factories with detailed specifications and certifications to simplify your sourcing decision.

Leading China Dual Plate Check Valve Factories

Here’s a quick overview of the best eight dual plate check valve factories in China:

Valvola di ritegno a doppia piastra in acciaio inossidabile

• Diametro nominale: 1/2″-48″ DN15-DN1200（DN25~1050）
• Pressione: 150 libbre-2500 libbre 2,5 MPa-42,0 MPa
• Collegamento finale: RF, RTJ, BW, THR, SW
• Temperatura: -196℃-650℃

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1. GOWIN

Posizione: Wenzhou, Zhejiang | Fondato: 2007

We operate as a dual plate wafer check valve manufacturer serving global industries including oil and gas, petrochemicals, power generation, and water treatment. Our two production facilities in Zhejiang Province maintain API6D, API607, and API6FA certifications alongside ISO9001 and ISO14001 quality management systems.

Our product line includes:

• Stainless steel dual-plate check valves: Available in sizes 1/2″ to 48″ (DN15-DN1200) with pressure ratings from Class 150 to 2500. Designed per API 594, API 6D, and ASME B16.34 standards for water, oil, and gas service.
• CF8 dual-plate check valves: Swing-type disc configuration in sizes 2″ to 48″ (DN50-DN1200) with Class 150 to 900 ratings. Can be equipped with damping cylinders for applications requiring water hammer reduction.

We manufacture wafer, lugged, and double flanged configurations with end connections including RF, RTJ, BW, THR, and SW. Temperature range covers -196℃ to 650℃ across carbon steel, stainless steel, and alloy steel materials.

2. Bosseal Valve

Posizione: Suzhou, Jiangsu | Fondato: 2013

Bosseal Valve manufactures retainerless dual plate check valves from their facility in Suzhou’s industrial zone. The company emphasizes one-piece body designs without external pins, eliminating potential leakage points for critical service applications.

The facility offers independent spring designs with two separate high-torsion springs ensuring quick closing and reduced water hammer. They provide both soft seat options and metal seat configurations with stellite overlay for high-temperature applications. Size range extends from 2″ to 64″ with pressure ratings from 150LB to 2500LB.

Key specifications:

• Standards: API 594, API 6D, ASME, ISO, DIN, BS, EN
• Materials: Carbon steel, stainless steel, duplex, aluminum bronze, titanium
• Special features: Retainerless design, independent springs

3. TianYu Valve

Posizione: Wenzhou, Zhejiang | Fondato: 2009

TianYu Valve produces dual plate check valves with patented hinge-free design technology eliminating jamming risks in particle-laden media. The company exports to over 60 countries with certifications including ISO 9001:2015, API 6D, and CE-PED.

As an API 594 dual plate check valve manufacturer, TianYu offers specialized designs for extreme environments including cryogenic applications down to -196℃ and high-temperature service up to 650℃. Production capacity reaches 60,000 units annually across sizes from 2″ to 64″ with materials ranging from standard carbon steel to exotic alloys.

Key specifications:

• Standards: API 594, API 6D, ASME B16.34, NACE MR0175
• Materials: Carbon steel, stainless steel, duplex, titanium, nickel alloys
• Special features: Hinge-free design, cryogenic capable

4. Shanghai Huixuan Valve

Posizione: Shanghai | Fondato: 1997

Shanghai Huixuan Valve brings over 25 years of manufacturing experience to the industrial valve sector. The company operates two production bases covering 20,000 m² with annual capacity exceeding 10,000 tons.

The facility specializes in custom valve designs addressing specific customer requirements across petroleum, chemical, power, and metallurgy industries. Their dual plate check valve production covers sizes from 1/2″ to 80″ with pressure capabilities from 150LB to 2500LB.

Key specifications:

• Standards: GB, JB, HG, API, ANSI, DIN, JIS, BS
• Materials: Cast iron, ductile iron, carbon steel, stainless steel
• Temperature range: -196℃ to 800℃

5. Xinhai Valve

Posizione: Wenzhou, Zhejiang | Fondato: 1986

Xinhai Valve operates as one of China’s earliest valve manufacturers with 35+ years of industry experience. The company maintains two factories covering 31,000 m² with an ISO 17025 certified testing laboratory for comprehensive quality control.

As one of the leading China dual plate check valve suppliers, Xinhai emphasizes quality assurance through in-house testing capabilities and strict material verification. The facility holds multiple certifications including ISO 9001, API, and CE with inventory of standard specifications supporting fast delivery for international projects.

Key specifications:

• Certifications: ISO 9001, API, CE, TS A1/A2, ISO14001, OHS45001
• Testing: ISO 17025 certified laboratory
• Export markets: 35+ countries

6. NSV Valve

Posizione: Yongjia County, Zhejiang

NSV Valve manufactures dual plate wafer check valves in wafer, lug, and flanged configurations for water, sewage, steam, and oil applications. The company focuses on compact designs with structural lengths typically 1/4 to 1/8 of traditional flanged check valves.

Their production covers sizes from 1/2″ to 48″ with pressure ratings from 150LB to 2500LB in both soft seat and metal seat configurations. Design standards include API 594 and API 6D with materials ranging from carbon steel to aluminum bronze.

Key specifications:

• Standards: API 594, API 6D, JB/TB8937, DIN 3202
• Materials: Carbon steel, stainless steel, alloy steel, bronze
• Temperature range: -196℃ to 560℃

7. LYV Valve

Posizione: Lishui City, Zhejiang

LYV Valve holds API Monogram number API 6D-1452 with ISO 9001:2000 certification for international quality systems. The company operates a 14,000 m² factory with over 100 sets of manufacturing equipment.

As one of the leading China dual plate check valve suppliers, LYV manufactures wafer, lug, and double-flanged check valves with both lifting and swing disc configurations. The facility provides custom material options and end connection types to meet diverse project specifications.

Key specifications:

• API Monogram: API 6D-1452
• Certifications: ISO 9001:2000
• Factory size: 14,000 m²

8. ZFA Valve (Tianjin Zhongfa Valve)

Posizione: Tianjin | Fondato: 2006

ZFA Valve manufactures dual plate check valves from their Tianjin facility with a focus on OEM services for international customers. The company serves clients in Russia, Spain, USA, and Canada with both complete valves and valve component machining.

The facility specializes in valve parts production including bodies, discs, stems, and handles with custom mold development capabilities. Their dual plate check valve range covers DN50 to DN1200 with PN6, PN10, PN16, and Class 150 ratings.

Key specifications:

• Standards: API 594, API 6D, BS5155, DIN 3202, ISO 5752
• Materials: Cast iron, ductile iron, carbon steel, stainless steel, duplex
• Certifications: ISO9001, CE

Conclusione

Now that you’ve reviewed the top dual plate wafer check valve manufacturers in China, you can evaluate which factory matches your project needs. Consider API 594 certification, material availability, and production capacity when making your decision.

As an established Chinese valve producer, GOWIN manufactures dual plate check valves from 1/2″ to 60″ with pressure ratings up to Class 2500. We offer carbon steel and stainless steel materials for oil and gas, petrochemical, and power generation applications. Contact us today to discuss your specific valve requirements.