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OS & Y Gate Valve

96 products found

OS & Y (Outside Screw and Yoke) Gate Valve is designed with an external rising stem that clearly indicates valve position, making it ideal for safety-critical industrial applications. The OS&Y structure keeps the stem outside the pressure boundary, improving sealing reliability and simplifying maintenance. It is widely used in fire protection systems, oil and gas pipelines, water supply, and power plants. Available in cast iron, ductile iron, carbon steel, and stainless steel, it provides tight shutoff and durable performance. Our platform features trusted OS & Y Gate Valve manufacturers in China, offering compliant and application-specific solutions.

Showing 73-96 of 96 result(s)
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ASTM A216 WCB Gate Valve, API 600, 6 Inch, 300 LB, BW

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ASTM A216 WCB Gate Valve, API 600, 6 Inch, 300 LB, BW

We Provide ASTM A216 WCB Gate Valves, API 600 Gate Valves, Rising Stem, OS&Y, ASTM A216 WCB, 6 Inch,...
ASTM A216 WCC Gate Valves, API 600, 2-1/2 IN, Trim 8, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCC Gate Valves, API 600, 2-1/2 IN, Trim 8, OS&Y

Model Number: 1821160

This API 600 gate valve is engineered with an ASTM A216 WCC carbon steel body, bolted bonnet, and fl...
ASTM A352 LCC Gate Valves, API 600, 4 IN, 150 LB, OS&Y, RF

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A352 LCC Gate Valves, API 600, 4 IN, 150 LB, OS&Y, RF

Model Number: 1821162

This carbon steel gate valve is engineered to meet API 600 standards, featuring a robust ASTM A352 L...
ASTM A351 CF3 Wedge Gate Valve, API 600, 6 IN, CL150, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A351 CF3 Wedge Gate Valve, API 600, 6 IN, CL150, OS&Y

Model Number: 1821163

Our API 600 Gate Valve is engineered for reliable shut-off and flow control in industrial pipelines....
API 600 Cast Steel Gate Valve, CF8M, 12 Inch, 150 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

API 600 Cast Steel Gate Valve, CF8M, 12 Inch, 150 LB, OS&Y

Model Number: 1821166

As a professional cast steel gate valve manufacturer, we supply high-performance OS&Y gate valve...
Duplex Steel Gate Valve, ASTM A995 5A, 16 IN, CL150, Trim 8

Bosseal Valves (Suzhou) Co., Ltd.

Duplex Steel Gate Valve, ASTM A995 5A, 16 IN, CL150, Trim 8

Model Number: 1821168

This Flexible Wedge Bolted Bonnet Gate Valve is designed in accordance with API 600 standards, ensur...
ASTM A217 C12A Gate Valve, API 600, 30 Inches, 150 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A217 C12A Gate Valve, API 600, 30 Inches, 150 LB, OS&Y

Model Number: 1821174

This gate valve is designed in accordance with API 600 standards, featuring a bolted bonnet and a fl...
ASTM A995 4A Gate Valve, API 600, 3 Inch, 300 LB, BB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A995 4A Gate Valve, API 600, 3 Inch, 300 LB, BB, OS&Y

Model Number: 1821182

These cast steel gate valves are designed in accordance with API 600 standards, ensuring reliable pe...
ASTM A217 WC9 Gate Valves, API 600, 8 IN, CL300, OS&Y, RF

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A217 WC9 Gate Valves, API 600, 8 IN, CL300, OS&Y, RF

Model Number: 1821185

This cast steel gate valve features a durable ASTM A217 WC9 alloy steel body and F304 trim, offering...
ASTM A995 6A Gate Valve, API 600, 12 IN, CL300, OS&Y, BB, RF

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A995 6A Gate Valve, API 600, 12 IN, CL300, OS&Y, BB, RF

Model Number: 1821187

This cast steel gate valve is designed in strict accordance with API 600 standards, ensuring reliabl...
ASTM A352 LCB Gate Valve, API 600, 14 Inch, 300 LB, OS&Y, RF

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A352 LCB Gate Valve, API 600, 14 Inch, 300 LB, OS&Y, RF

Model Number: 1821188

This bolted bonnet cast steel gate valve is manufactured from ASTM A352 LCB, designed for reliable p...
Duplex Stainless Steel Gate Valve, 5A, 26 Inch, 300 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

Duplex Stainless Steel Gate Valve, 5A, 26 Inch, 300 LB, OS&Y

Model Number: 1821193

This 26-inch (DN650) pressure seal bonnet gate valve is crafted from duplex stainless steel ASTM A99...
Rising Stem Gate Valve, API 600, CF3M, 28 IN, CL300, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

Rising Stem Gate Valve, API 600, CF3M, 28 IN, CL300, OS&Y

Model Number: 1821194

Our Cast Steel Gate Valve is manufactured to API 600 standards for reliable isolation service in dem...
Flexible Wedge Gate Valve, A351 CF8, 4 Inch, CL600, OS&Y, BB

Bosseal Valves (Suzhou) Co., Ltd.

Flexible Wedge Gate Valve, A351 CF8, 4 Inch, CL600, OS&Y, BB

Model Number: 1821204

This API 600 Gate Valve is designed in compliance with API 600 standards, delivering dependable shut...
ASTM A217 WC6 Gate Valve, Bolted Bonnet, 16 IN, 600 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A217 WC6 Gate Valve, Bolted Bonnet, 16 IN, 600 LB, OS&Y

Model Number: 1821210

Designed in accordance with API 600 standards, this OS&Y gate valve is manufactured from ASTM A2...
ASTM A216 WCC Gate Valve, OS&Y, 20 Inch, CL600, Bolted Bonnet

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCC Gate Valve, OS&Y, 20 Inch, CL600, Bolted Bonnet

Model Number: 1821212

This API 600 Gate Valve features a bolted bonnet design, ASTM A216 WCC carbon steel body, and F316 t...
Flexible Wedge Gate Valves, WCB, 30 Inch, 600 LB, OS&Y, RF

Bosseal Valves (Suzhou) Co., Ltd.

Flexible Wedge Gate Valves, WCB, 30 Inch, 600 LB, OS&Y, RF

Model Number: 1821216

This OS&Y Gate Valve is designed in accordance with API 600 standards and manufactured from ASTM...
ASTM A352 LCC Gate Valve, API 600, 10 Inch, CL900, OS&Y, RTJ

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A352 LCC Gate Valve, API 600, 10 Inch, CL900, OS&Y, RTJ

Model Number: 1821228

This OS&Y Gate Valve is manufactured with an ASTM A352 LCC carbon steel body and F304 stainless ...
Cast Steel Gate Valve, A352 LCB, 14 Inch, 900 LB, OS&Y, RTJ

Bosseal Valves (Suzhou) Co., Ltd.

Cast Steel Gate Valve, A352 LCB, 14 Inch, 900 LB, OS&Y, RTJ

Model Number: 1821230

API 600 gate valve with pressure seal bonnet design, engineered for reliable isolation service in hi...
Rising Stem Gate Valves, ASTM A216 WCC, 20 IN, 900 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

Rising Stem Gate Valves, ASTM A216 WCC, 20 IN, 900 LB, OS&Y

Model Number: 1821233

The ASTM A216 WCC Gate Valve features an OS&Y rising stem design, API 600 standard compliance, 2...
API 600 Gate Valves, ASTM A352 LCC, 10 IN, CL1500, PSB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

API 600 Gate Valves, ASTM A352 LCC, 10 IN, CL1500, PSB, OS&Y

Model Number: 1821249

This Pressure Seal Bonnet Gate Valve features an OS&Y design and is manufactured in strict accor...
Carbon Steel LCB Gate Valve, API 600, 14 Inch, 1500 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

Carbon Steel LCB Gate Valve, API 600, 14 Inch, 1500 LB, OS&Y

Model Number: 1821251

The OS&Y Gate Valve is designed in accordance with API 600 standards and features a pressure sea...
ASTM A217 C12A Gate Valves, PSB, 2 Inches, CL2500 LB, OS&Y

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A217 C12A Gate Valves, PSB, 2 Inches, CL2500 LB, OS&Y

Model Number: 1821264

This cast steel gate valve is designed to API 600 standards with an OS&Y structure, ASTM A217 C1...
API 600 Gate Valve, WCB, 12 IN, 300 LB, OS&Y, Extension Stem

XIAMEN LANDEE INDUSTRIES CO., LTD.

API 600 Gate Valve, WCB, 12 IN, 300 LB, OS&Y, Extension Stem

Model Number: LV-ESGTV-2026072702

Manufactured according to API 600 standards, this Solid Wedge Gate Valve is constructed from ASTM A2...
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