High Pressure Seal Bonnet Gate Valve, ASTM A217 WC6, 2500 LB

Key Specifications / Features

Model No.: JSC-231124-CSGAV-53 Hits: 7

Are you in need of a High Pressure Seal Bonnet Gate Valve Supplier? Look no further. Our valves, crafted from Alloy Steel ASTM A217 WC6, are designed to withstand high pressures, rated at Class 2500 LB. Conforming to API 600 and API 6D standards, these valves offer manual operation through Handwheel or Gear mechanisms, ensuring robust and reliable performance. Available in sizes ranging from 2 to 40 inches, our valves are your solution for high-pressure applications.
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Detail Information

High pressure seal bonnet gate valve

1. Type: PSB Gate Valves
2. Pressure Seal Bonnet (PSB), Flexible Wedge Design
3. Size Range: 2 Inch to 40 Inch
4. Pressure Ratings: ANSI 2500 LB
5. Materials Available in: Alloy Steel ASTM A217 WC6, Other materials available
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Handwheel, Gear Operated
8. Special Requirement: Nace Mr 0175


Oil and Gas, Petrochemical, Power, Energy Industry etc.
Standards  Design and Manufacture: Cast steel gate valve to API 600 or API 6D,
Inspection and Test: API 598, API 600 or API 6D.
End flange dimension: ASME B16.5 (for NPS≤24)
BW end dimension: ASME B16.25.
Face to face and end to end: ASME B16.10.
Pressure-temperature ratings: ASME B16.34.

1. Bonnet Gasket Style
Pressurized seal design is used for Class 2500 gate valve.

2. Packing Seal
As usual, flexible graphite is used for packing material. PTFE or combined packing material can be also used if being requosted by the customer.

3. Body and Bonnet Connection
Class 2500 gate valves usually adopt pressure seal bonnet design

4. Seat
For carbon steel gate valve, the seat is usually forged steel. The seat sealing surface is overlaying welded with hard alloy specified by the customer. For Stainless steel gate valve, the seat is integral with body, or it can be machined directly after hard alloy welded.

5. Disc Design
NPS ≥ 2 Gate valves are flexible wedge gate.

6. Backseat Design
All gate valves have backseat design. In most cases,the carbon steel gate valve is fitted with a renewable back seat. For stainless steel gate valve, the back seat is machined directly in the bonnet or be machined after welding.

7. Stem Design
The stem is integral forged design. The minimum diameter of the stem shall be as per the standard requirement.

8 .Stem Nut
Usually, the stem nut is made of ASTM A439 D2. It is also can be made of copper alloy or other materials if being requested by the customer.

9. Operation
Hand wheel or bevel gear box is usually used for gate valve operation.

1. Pressure Seal Bonnet Cast Steel Gate Valve Parts and Material List for Class 2500LB:

Pressure Seal Bonnet Cast Steel Gate Valve

Parts No. Parts Name Materials
    WCB/Trim 5 WC6/Trim 5
1 Body ASTM A216 WCB ASTM A217 WC6
2 Yoke ASTM A216 WCB ASTM A217 WC6
3 Gate ASTM A216 WCB +STL ASTM A217 WC6 + STL
4 Stem ASTM A182 F6a ASTM A182 F6a
5 Seat Ring ASTM A105 + STL ASTM A182-F11 + STL
6 Bonnet ASTM A216 WCB ASTM A217 WC6
7 Gasket 304 + Graphite
8 Adapter Ring Carbon Steel Alloy Steel
9 Retainer Carbon Steel Alloy Steel
10 Yoke Cap Carbon Steel Alloy Steel
11 Bonnet Stud ASTM A193 B7 ASTM A193 B16
12 Bonnet Stud Nut ASTM A194 2H ASTM A194 7
13 Packing Graphite
14 Gland ASTM A182F6a ASTM A182F6a
15 Gland Flange ASTM A216 WCB ASTM A217 WC6
16 Eyebolt Pin ASTM A36 ASTM A36
17 Eyebolt ASTMA193 B7 ASTM A193 B7
18 Eyebolt Nut ASTM A194 2H ASTM A194 2H

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