DN800 Cast Steel Gate Valve WCB PN25 13CR Trim 32 Inch Rising Stem With Bypass Valve Z540

DN800 Cast Gate Valves WCB PN25 13CR Trim 32 inch Rising Stem With Bypass Valve Z540

Quick Details:

1. Product: Dn800 Gate Valve with Bypass Valve
2. Model: Z540

3. OS&Y, Bolted Bonnet, Flexible Wedge Design
3. Size: Dn800 / 32 inch
4. Pressure Ratings: Pn25, 2.5MPa, 25Bar
5. Materials Available in: Cast Steel A216 WCB
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Bevel Gear
8. NACE MR 0175 

Standards

Hydro Test Specifications:

Features:

1. Bonnet Gasket Style

Stainless steel + flexible graphite combined gasket;

Stainless steel + flexible graphite wounded gasket;

Ring joint gasket;

2. Packing Seal

Flexible graphite is used for packing material. PTFE or combined packing material can be also used.

3. Body and Bonnet Connection

Bolted Bonnet design. (B.B)

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. Threaded or welded type seat is also optional for stainless steel gate valve.

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

6. Backseat Design

All gate valves have backseat design. 

7. Stem Design

The stem is integral forged design.

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, electric actuator also can be used for gate valve operation if being requested by the customers.

Descriptions:

1. Cast Steel Gate Valve Parts and Material List:

2. Main Connection Dimensions For PN25 Gate Valve: