Welcome to China B2B Marketplace

API 602 Check Valve

303 products found

An API 602 check valve is a compact, high-pressure safety valve specifically engineered to meet the stringent design, dimensional, and testing criteria of the American Petroleum Institute for small-bore forged steel valves (typically 2 inches and smaller). Available in piston, swing, or ball check configurations with socket-weld, threaded, or flanged ends, these valves feature a robust forged carbon or alloy steel body that delivers superior grain structure and structural integrity under severe thermal cycling and pressures up to Class 1500 and higher. They operate automatically via line pressure to permit unidirectional flow and instantly seal tight against reverse flow, protecting small-diameter piping lines, pumps, and instrumentation systems. Your upstream and downstream operations demand check valves that never compromise. Our China check valve manufacturers' platform delivers API 602 check valves, precision-forged and rigorously tested for bubble-tight shutoff and extended service life, so you can run your oil, gas, and petrochemical process lines with complete confidence.

Showing 265-288 of 303 result(s)
Sort by:
Stainless Steel Lift Check Valve, F316L, 1/2 IN, CL2500, PSB

Zhejiang Kosen Valve Co., Ltd.

Stainless Steel Lift Check Valve, F316L, 1/2 IN, CL2500, PSB

Model Number: KV-20260625-FSCV-01

This 15 mm lift check valve is engineered for high-pressure systems requiring reliable backflow prev...
Inconel 625 Lift Check Valve, API 602, 1/2 Inch, CL4500, PSB

Zhejiang Kosen Valve Co., Ltd.

Inconel 625 Lift Check Valve, API 602, 1/2 Inch, CL4500, PSB

Model Number: KV-20260626-FSCV-01

This factory manufactures 15 mm lift check valves from Inconel 625 (UNS N06625). The valves meet API...
ASTM A182 F22 Lift Check Valves, Alloy Steel, 1/2 IN, CL2500

Zhejiang Kosen Valve Co., Ltd.

ASTM A182 F22 Lift Check Valves, Alloy Steel, 1/2 IN, CL2500

Model Number: KV-20260627-FSCV-01

Weir type diaphragm valves control fluid flow through a flexible diaphragm that presses against a we...
ASTM A105 Swing Check Valve, BS 5352, 1 Inch, Class 800 LB

topper

ASTM A105 Swing Check Valve, BS 5352, 1 Inch, Class 800 LB

ASTM A105 Swing Check Valve Manufacturer: Forged Steel Swing Check Valve, ASTM A105, 1/2-4 Inch, Cla...
API 602 Forged Steel Ball Check Valve, SW, 1/2 Inch, 800 LB

topper

API 602 Forged Steel Ball Check Valve, SW, 1/2 Inch, 800 LB

API 602 Forged Steel Ball Check Valve Maker: Forged Steel ASTM A105N Ball Check Valve, API 602, 1/2 ...
MSS SP-85 Stop Check Valve, ASTM A182 F316L, 1-1/2IN, CL500

topper

MSS SP-85 Stop Check Valve, ASTM A182 F316L, 1-1/2IN, CL500

MSS SP-85 Stop Check Valve Fabricator: Stop Check Valve, ASTM A182 F316L, 1-1/2 Inch, Class 500 LB, ...
Pressure Seal Lift Check Valve, 1 IN, 2500 LB, API 602

topper

Pressure Seal Lift Check Valve, 1 IN, 2500 LB, API 602

Pressure Seal Lift Check Valve Provider: Lift Piston, Pressure-seal Bonnet Check Valves, API 602, Fo...
ASTM A105N Swing Check Valve, 2 Inch, 150 LB, API 602

topper

ASTM A105N Swing Check Valve, 2 Inch, 150 LB, API 602

2 Inch 150 LB check valve is made according to API 602 standards. The valve body is made of ASTM A10...
ASTM A105N Lift Check Valve, 1 Inch, 150 LB, API 602, RF

topper

ASTM A105N Lift Check Valve, 1 Inch, 150 LB, API 602, RF

1 Inch 150 LB ball valve is made according to API 602 standard. The valve body is made of A105 + SS ...
ASTM A105N Lift Check Valve, 1/2 Inch, 800 LB, API 602, SW

topper

ASTM A105N Lift Check Valve, 1/2 Inch, 800 LB, API 602, SW

1/2 Inch 800 LB lift check valve is made according to API 602 standard. The valve body is made of AS...
ASTM A350 LF2 Swing Check Valve, 1 Inch, 150 LB, API 602, RF

topper

ASTM A350 LF2 Swing Check Valve, 1 Inch, 150 LB, API 602, RF

1 Inch 150 LB swing check valve is made according to API 602 standard. The valve body is made of AST...
API 602 Lift Check Valve, DN25, PN16, ASTM A105N, BSP

topper

API 602 Lift Check Valve, DN25, PN16, ASTM A105N, BSP

DN25 PN16 lift check valve is made according to API 602 standard. The valve body is made of ASTM A10...
API 602 Lift Check Valve, ASTM A182 F316L, 1 Inch, 800 LB

topper

API 602 Lift Check Valve, ASTM A182 F316L, 1 Inch, 800 LB

Model Number: Kelly-CV-20240816-01

The 1-inch 800 LB lift check valve, crafted to API 602 standards, features a robust design with a bo...
API 602 Lift Check Valve, ASTM A105, 3/4 Inch, 800 LB, NPT

topper

API 602 Lift Check Valve, ASTM A105, 3/4 Inch, 800 LB, NPT

Model Number: Kelly-CV-20240823-03

Our 3/4-inch, Class 800 LB check valve is built to API 602 standards, with a valve body constructed ...
Forged Steel Lift Check Valve, ASTM A182 F316, Class 150, RF

topper

Forged Steel Lift Check Valve, ASTM A182 F316, Class 150, RF

Lift Check Valve Supplier in China Offers Forged Steel Lift Check Valve, ASTM A182 F316, 150 LBs, RF...
RF Flanged Piston Check Valve, ASTM A182 F304, CL150, Bolted Bonnet

topper

RF Flanged Piston Check Valve, ASTM A182 F304, CL150, Bolted Bonnet

China Bolted Bonnet Valve Factory Makes RF Flanged Piston Check Valve, ASTM A182 F304, 150 LBs, Bolt...
Stainless Steel Swing Type Check Valve, NPS 1/2, 150 LB, RF Flanged

topper

Stainless Steel Swing Type Check Valve, NPS 1/2, 150 LB, RF Flanged

China 1/2 Inch Check Valve Manufacturer Wholesales Stainless Steel Swing Type Check Valve, ASTM A105...
Y Forged Steel Check Valve, ASTM A105N, Class 800, 1 Inch, API 602

topper

Y Forged Steel Check Valve, ASTM A105N, Class 800, 1 Inch, API 602

Y Check Valve Factory in China Makes Y Forged Steel Check Valve, ASTM A105N, Class 800, 1 Inch, API ...
Pressure-Seal Bonnet Check Valve, 1500-2500 LB, 1/2-4 Inch, API 602

topper

Pressure-Seal Bonnet Check Valve, 1500-2500 LB, 1/2-4 Inch, API 602

China API 602 Check Valve Fabricator Provides Pressure-Seal Bonnet Check Valve, 1500-2500 LB, 1/2-4 ...
API 602 Check Valves, A105, A105N, A182 F316/F316L, 1/4-4 IN

topper

API 602 Check Valves, A105, A105N, A182 F316/F316L, 1/4-4 IN

Model Number: FSCV-20250402-04

As a leading provider of forged check valves from China, we offer valves with carbon steel ASTM A105...
Forged Steel Swing Check Valve, API 602, ASTM A105N, 800 LB

topper

Forged Steel Swing Check Valve, API 602, ASTM A105N, 800 LB

Model Number: FSCV-20250402-05

As a reputable swing check valve factory in China, we manufacture high-quality valves featuring a fo...
API 602 Lift Check Valve, ASTM A105N, 1-1/2 Inch, 800 LB, BB

Zhejiang Magpie Sealing Technology Co., Ltd.

API 602 Lift Check Valve, ASTM A105N, 1-1/2 Inch, 800 LB, BB

Model Number: MV-20250401-FSCV-01

The API 602 Lift Check Valve features a forged carbon steel ASTM A105N body for exceptional strength...
Y Pattern Check Valve, API 602, ISO 15761, ASTM A105N, 1 IN

Zhejiang Magpie Sealing Technology Co., Ltd.

Y Pattern Check Valve, API 602, ISO 15761, ASTM A105N, 1 IN

Model Number: MV-20250402-FSCV-01

We produce high-quality Y pattern check valves that meet API 602 and ISO 15761 standards. These valv...
ASTM A105N Check Valve, API 602, 1 IN, 800 LB, Bolted Bonnet

Zhejiang Magpie Sealing Technology Co., Ltd.

ASTM A105N Check Valve, API 602, 1 IN, 800 LB, Bolted Bonnet

Model Number: MV-20250402-FSCV-02

We produce high-performance check valves that meet API 602 standards. These valves are forged from c...
Total 303 record(s), 24 record(s) per page