Pressure Seal Bonnet Gate Valve, CF8M, 4 IN, CL300, OS&Y

Key Specifications / Features

Model No. : 1821067

As a leading manufacturer of flexible wedge gate valves from China, we offer premium solutions for diverse applications. Our 4-inch (DN100) gate valve is constructed from high-quality stainless steel ASTM A351 CF8M, ensuring exceptional strength and corrosion resistance. With a Class 300 LB rating, it is built to handle high-pressure conditions. The valve features an OS&Y design and a rising stem, coupled with raised face (RF) flanged ends for secure connections. Trust us for reliable, durable gate valves that meet your precise specifications and industry standards.

Detail Information

API 600 Gate Valve, Flexible Wedge, OS&Y, ASTM A351 CF8M, 4 Inch/DN100, 300 LB, RF Flanged.

Valve Description

1821067 Gate Valve
Design Standard: API 600
Structure: Bolted Bonnet/Pressure Seal Bonnet
Body Material: ASTM A351 CF8M, ASTM A351 CF8, ASTM B148 C95800, ASTM A352 LCB, ASTM A216 WCB, ASTM A890 4A, ASTM A890 5A.
Nominal Size: 4 Inch, DN100
Nominal Class: 300 LB, PN50
Face to Face: ASME B16.10
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.
Test and Inspection: API 598
End Connection: RF Flanged

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 (Raised Face), RTJ (Ring-Type Joint), BW (Butt Weld).
Working Temperature: -29°C - +400°C
Operation: Handwheel/Gear/Motor

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About Us

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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