Flexible Wedge Gate Valve, 20 IN, CL 300, ASTM A890 4A

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Flexible Wedge Gate Valve, 20 IN, CL 300, ASTM A890 4A

Key Specifications / Features

Model No. : 1821075
We are a trusted manufacturer of 20-inch (DN500) gate valves in China, specializing in ASTM A890 4A duplex stainless steel for enhanced durability and corrosion resistance. Our valves are built to API 600 standards and feature an OS&Y (Outside Screw and Yoke) design for reliable performance. With a Class 300 pressure rating, pressure seal bonnet, and RF flanged ends, these valves are designed for high-pressure applications. Ideal for industrial use, our precision-engineered valves ensure long-lasting service in demanding environments.

Detail Information

OS&Y Gate Valve, 20 Inch, ASTM A890 4A, API 600, DN500, Class 300 LB, Flexible Wedge, RF Flanged.

Valve Description

1821075 Gate Valve
Design Standard: API 600
Structure: Bolted Bonnet/Pressure Seal Bonnet
Body Material: ASTM A890 4A, ASTM A351 CF8M, ASTM A352 LCB, ASTM A216 WCB, ASTM A351 CF8, ASTM A890 5A, ASTM B148 C95800.
Nominal Size: 20 Inch, DN500
Nominal Class: CL 300 LB, PN50
Bore Type: Standard Bore(API 600)
Operation: Handwheel/Gear
Trim Material: ASTM A182 F6A, ASTM A182 F304, ASTM A182 F316, ASTM A182 F51, ASTM A182 F53, ASTM A182 F55.
End Connection: RF Flanged
Face to Face: ASME B16.10
Test and Inspection: API 598

Key Features

1. OS&Y (Outside Screw and Yoke) design for reliable operation.
2. Screwed-in back seat enhances security.
3. Rising stem with non-rising handwheel for ease of use.
4. Flexible wedge provides superior sealing performance.
5. Low emission design ensures environmental compliance.

Product Range

Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Aluminum Bronze.
Normal Diameter: 2 Inch - 64 Inch (DN50 - DN1600)
Pressure Range: Class 150 LB - 2500 LB
End Connections: RF, RTJ, BW
Working Temperature: -29°C - +400°C
Operation: Handwheel/Gear/Motor
 
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Founded in 2013, Bosseal is a professional industrial valve manufacturer based in Suzhou, China. We specialize in the design and production of Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, and Piping Strainers. All our products are manufactured in strict compliance with international standards, including API, ASME, ISO, DIN, BS, and EN. With a strong focus on quality control and engineering capability, we are committed to providing reliable and high-performance valve solutions for global industrial applications.

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