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Alloy Steel Check Valve

28 products found

Alloy steel check valve is an automatic, directional flow-control valve cast or forged from high-strength low-alloy steel (such as ASTM A217 WC6, WC9, or C5) to prevent catastrophic process backflow in high-temperature, high-pressure piping networks. Relying entirely on fluid velocity and differential line pressure to mechanically actuate its internal swing disc, piston, or dual plates, this valve opens to permit forward flow and closes tightly when downstream velocity drops or reverses. The chromium-molybdenum alloy matrix provides outstanding mechanical yield strength and excellent resistance to thermal creep, oxidation, and hydrogen attack. Global sourcing networks can easily protect high-pressure piping systems and eliminate middleman inflation by ordering heavy-duty, certified alloy steel check valves straight from top-tier manufacturers in China via our global B2B hub.

Showing 1-24 of 28 result(s)
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ASTM A217 WC1 Swing Check Valves, API 6D, 14 Inches, 300 LB

Baltic Valve Co., Ltd.

ASTM A217 WC1 Swing Check Valves, API 6D, 14 Inches, 300 LB

Model Number: BV-SCV-20250104-09

As a leading API 6D swing check valve manufacturer in China, we offer high-quality valves with a dur...
Non-Return Valve

Wenzhou Unique Valve Co., Ltd.

Non-Return Valve

Specifications: Nominal diameter: 1/2 Inch-48 Inch (DN15-DN1200). Pressure range: Class 150-2500 LB ...
Dual Plate Check Valve

Wenzhou Unique Valve Co., Ltd.

Dual Plate Check Valve

The dual-plate check valve opening and closing member is opened or closed by the medium flow and the...
Lugged Wafer Check Valve

Wenzhou Unique Valve Co., Ltd.

Lugged Wafer Check Valve

LUGGED WAFER CHECK VALVE. Basic Info: Model NO.: UNIQUE LUGGED DUAL PLATE CHECK VALVE. Connection Fo...
API 6D Check Valve, Soft Seated, 1/2-48 Inch, 150-2500 LB

Wenzhou Unique Valve Co., Ltd.

API 6D Check Valve, Soft Seated, 1/2-48 Inch, 150-2500 LB

API 6D Check Valve Supplier: Soft Seated Check Valve, Carbon Steel, SS, AS, DS, 1/2-48 Inch, Class 1...
Soft Seated Check Valve with RF End, DN15-DN1200, PN16-PN420

Wenzhou Unique Valve Co., Ltd.

Soft Seated Check Valve with RF End, DN15-DN1200, PN16-PN420

Soft Seated Check Valve Manufacturer: Check Valve with RF End, Soft Seated, DN15-DN1200, PN16-PN420,...
API 6D Flanged Check Valve, ASTM A352 LCB, 18 Inch, 150 LB

Wenzhou Unique Valve Co., Ltd.

API 6D Flanged Check Valve, ASTM A352 LCB, 18 Inch, 150 LB

API 6D Flanged Check Valve Maker: ASTM A352 LCB Check Valve with RF Flange, API 6D, 18 Inch, 150 LB,...
Swing Forged Steel Check Valve

Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Swing Forged Steel Check Valve

Model Number: H64H

China Swing Check Valve manufacturer Xinhai offers Forged Steel Check Valves in CS(Carbon Steel), AS...
Lift Forged Steel Check Valve

Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Lift Forged Steel Check Valve

Model Number: H11H

China Lift Forged Steel Check Valve manufacturer Xinhai offers Carbon Steel, Alloy Steel, Stainless ...
API 594 Wafer Check Valve, 2-16 Inch, Class 150-2500 LB

Zhejiang Xinhai Valve Manufacturing Co., Ltd.

API 594 Wafer Check Valve, 2-16 Inch, Class 150-2500 LB

API 594 Wafer Check Valve Supplier: Wafer Type Check Valve, API 594, 2-16 Inch, Class 150-2500 LB, C...
API 6D Swing Check Valve, 2-24 Inch, Class 150-2500 LB

Zhejiang Xinhai Valve Manufacturing Co., Ltd.

API 6D Swing Check Valve, 2-24 Inch, Class 150-2500 LB

API 6D Swing Check Valve Fabricator: Swing Type Check Valve, API 6D, 2-24 Inch, Class 150-2500 LB, C...
Pressure Seal Bonnet Check Valve, 1-1/2-24 Inch, 600-2500 LB

medvalve

Pressure Seal Bonnet Check Valve, 1-1/2-24 Inch, 600-2500 LB

Pressure Seal Check Valve Provider: Pressure Seal Bonnet Check Valves, 1-1/2-24 Inch, Class 600-2500...
Forged Y Check Valve, 1/2-2 Inch, 150-1500 LB

medvalve

Forged Y Check Valve, 1/2-2 Inch, 150-1500 LB

Forged Y Check Valve Manufacturer: Y Pattern Check Valves, 1/2-2 Inch, Class 150-1500 LB, PN16-PN250...
Alloy Steel CN3MN Swing Check Valve, 20 Inch, 150 LB, API 6D

medvalve

Alloy Steel CN3MN Swing Check Valve, 20 Inch, 150 LB, API 6D

Alloy Steel CN3MN Swing Check Valve Maker: Alloy Grade CN3MN Check Valves, Swing Type, 20 Inch, DN50...
Cast Steel Swing Check Valve, 14 Inch, 1500 LB, RF End

medvalve

Cast Steel Swing Check Valve, 14 Inch, 1500 LB, RF End

Cast Steel Swing Check Valve Maker: Cast Carbon, Stainless, Alloy Steel Swing Check Valves, ASTM A21...
API 602 Forged Steel Check Valve, BS 5352, 1/2 - 2 Inch

XIAMEN LANDEE INDUSTRIES CO., LTD.

API 602 Forged Steel Check Valve, BS 5352, 1/2 - 2 Inch

API 602 Forged Steel Check Valve Manufacturer: Forged Steel Check Valves, API 602, BS 5352, 1/2 - 2 ...
Forged Check Valve, API 602, BS 5352, 1/2-2 Inch, 800-2500LB

XIAMEN QISHINE IMP.& EXP. CO., LTD.

Forged Check Valve, API 602, BS 5352, 1/2-2 Inch, 800-2500LB

Model Number: QS 23 V 29

Forged Check Valve as per API 602, BS 5352, Specifications NPS 1/2-2 Inch, Pressure 800-2500LB, Insp...
20 Inch 150 LB Swing Check Valve, Alloy Steel CN3MN, API 6D

topper

20 Inch 150 LB Swing Check Valve, Alloy Steel CN3MN, API 6D

Model Number: MFRS-230823-CV-02

Introducing our API 6D Swing Check Valve, designed with a swing type mechanism. Constructed from dur...
API 602 Forged Check Valve, BS 5352, 1/2-2 Inch, 800-2500 LB

XIAMEN QISHINE IMP.& EXP. CO., LTD.

API 602 Forged Check Valve, BS 5352, 1/2-2 Inch, 800-2500 LB

Model Number: FGBK-23-V-29

Explore our API 602 Forged Steel Check Valve Factory in China, specializing in precision-engineered ...
BS 1868 Swing Check Valve, ASME B16.34, 2–36 IN, 150-2500 LB

China JSC Valve Group Co., Ltd

BS 1868 Swing Check Valve, ASME B16.34, 2–36 IN, 150-2500 LB

Model Number: JSC-231124-SCV-81

As a leading factory in China, we specialize in manufacturing BS 1868 swing check valves. Our produc...
API 6D Swing Check Valve, ASME B16.34, 2–36 IN, 150-2500 LB

China JSC Valve Group Co., Ltd

API 6D Swing Check Valve, ASME B16.34, 2–36 IN, 150-2500 LB

Model Number: JSC-231124-SCV-82

As a leading producer of API 6D swing check valves in China, our offerings adhere to ASME B16.34 sta...
Single Disc Wafer Check Valve, API 594, 2-48 IN, 150-1500 LB

China JSC Valve Group Co., Ltd

Single Disc Wafer Check Valve, API 594, 2-48 IN, 150-1500 LB

Model Number: JSC-231124-WCV-86

As a reputable fabricator in China, we specialize in manufacturing single disc wafer check valves in...
Axial Flow Check Valve, BS 1868, 2-36 Inch, Class 150-2500 LB

China JSC Valve Group Co., Ltd

Axial Flow Check Valve, BS 1868, 2-36 Inch, Class 150-2500 LB

Model Number: JSC-231124-WCV-88

As a reputable fabricator in China, we specialize in manufacturing axial flow check valves in accord...
Forged Piston Check Valve, API 602, 1/2-3 Inch, 150-4500 LB

China JSC Valve Group Co., Ltd

Forged Piston Check Valve, API 602, 1/2-3 Inch, 150-4500 LB

Model Number: JSC-231124-FSCV-90

We are a trusted supplier in China, specializing in the production of forged piston check valves tha...
Total 28 record(s), 24 record(s) per page