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Duplex Stainless Steel Check Valve

13 products found

A duplex stainless steel check valve is an automatic non-return valve constructed from high-strength duplex alloys designed to prevent fluid backflow in highly corrosive environments. Operating entirely via fluid kinetics, forward line pressure lifts the internal disc or dual plates to clear the flow path, closing instantly via gravity or spring assistance when the flow decelerates. The specialized metallurgy provides double the yield strength of standard austenitic stainless steels alongside superior resistance to erosion-corrosion and pitting in high-chloride media. These ball valves are standard engineering specifications for subsea manifolds, marine cooling systems, and chemical processing loops. Procurement managers and marine piping engineers can secure absolute mechanical compliance and reduce maintenance overhead by importing certified duplex stainless steel check valves directly from premier manufacturers in China via our advanced B2B digital marketplace.

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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 ...
Axial No-Slam Check Valve, API 6D, 2-36 Inch, 150-2500 LB

XIAMEN LANDEE INDUSTRIES CO., LTD.

Axial No-Slam Check Valve, API 6D, 2-36 Inch, 150-2500 LB

Discover top-quality Resilient or Metal Seat Axial No-Slam Check Valves at our factory, adhering to ...
ASTM A995 5A Swing Check Valve, 8 Inch, 300 LB, SS 2507

XIAMEN LANDEE INDUSTRIES CO., LTD.

ASTM A995 5A Swing Check Valve, 8 Inch, 300 LB, SS 2507

Discover top-quality swing check valves from our extensive range, including 8-inch, 300-lb models cr...
ASTM A995 6A Dual Plate Check Valve, 8 Inch, 1500 LB, RTJ

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A995 6A Dual Plate Check Valve, 8 Inch, 1500 LB, RTJ

Model Number: 8SBS15L6A

This ASTM A995 6A dual plate check valve is made of super duplex stainless steel with a lug end desi...
Duplex Stainless Steel Check Valve, A995 6A, 8 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

Duplex Stainless Steel Check Valve, A995 6A, 8 Inch, 150 LB

Model Number: 8SBN1L6A

This Metal Seat Super Duplex Stainless Steel Dual Plate Check Valve is constructed with A995 6A/S327...
ASTM A182 F55 Dual Plate Check Valve, 10 IN, 1500 LB, API 594

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A182 F55 Dual Plate Check Valve, 10 IN, 1500 LB, API 594

Model Number: 10SBN15LF55

Looking for a reliable high pressure forged F55 dual plate check valve? Look no further than our sup...
Dual Plate Check Valve, ASTM A890 4A, API 6D, 150 LB, 6 Inch

Bosseal Valves (Suzhou) Co., Ltd.

Dual Plate Check Valve, ASTM A890 4A, API 6D, 150 LB, 6 Inch

Model Number: 1842022

We proudly export high-quality API 6D Dual Plate Check Valves, crafted from durable Duplex Stainless...
ASTM A890 5A Check Valve, Dual Plate, 26 IN, CL 150, RF

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A890 5A Check Valve, Dual Plate, 26 IN, CL 150, RF

Model Number: 1842031

We fabricate high-performance check valves with a dual plate structure, specifically designed for de...
API 594 Dual Check Valve, 48 Inch, 150 LB, ASTM A890 4A

Bosseal Valves (Suzhou) Co., Ltd.

API 594 Dual Check Valve, 48 Inch, 150 LB, ASTM A890 4A

Model Number: 1842038

As a leading API 594 Dual Plate Check Valve manufacturer in China, we offer non-return valves up to ...
ASTM A890 5A Check Valve, 8 Inch, 600 LB, API 6D, API 594

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A890 5A Check Valve, 8 Inch, 600 LB, API 6D, API 594

Model Number: 1842065

As a premier supplier of API 6D dual check valves from China, we provide 8-inch valves, DN200, craft...
Duplex Stainless Steel Non-Return Valve, 14 IN, CL900, 4A

Bosseal Valves (Suzhou) Co., Ltd.

Duplex Stainless Steel Non-Return Valve, 14 IN, CL900, 4A

Model Number: 1842089

As a leading fabricator of duplex stainless steel non-return valves, we offer top-quality products w...
Duplex Stainless Steel Non-Return Valve, 8 IN, CL 1500, 5A

Bosseal Valves (Suzhou) Co., Ltd.

Duplex Stainless Steel Non-Return Valve, 8 IN, CL 1500, 5A

Model Number: CV-20240816-04

As a premier fabricator of duplex stainless steel non-return valves from China, we specialize in dua...
ASTM A890 4A Check Valve, 14 Inch, CL 1500 LB, API 594

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A890 4A Check Valve, 14 Inch, CL 1500 LB, API 594

Model Number: CV-20240816-07

Our 14-inch duplex stainless steel check valve, crafted from ASTM A890 4A material, meets API 594 an...
Total 13 record(s), 24 record(s) per page
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