Din Cast Steel Gate Valve Metal Seat HF Rising Stem RS with Manual Operated Flanged / BW

1. Standards

2. Bonnet Gasket Style

Stainless steel + flexible graphite combined gasket;

Stainless steel + flexible graphite wounded gasket;

Ring joint gasket;

Pressurized seal design.

3. Packing Seal

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

4. Body and Bonnet Connection

Bolted Bonnet design. (B.B)

5. 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.

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

7. Backseat Design

All gate valves have backseat design.

8. Stem Design

The stem is integral forged design.

9. 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.

10. 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.

11.Parts and Material List

12. Hydro Test Specifications:

Tengs Valve - China High Quality Industrial Valve and Strainer Supplier, With More than 20 Years' Manufacturing and Exporting Experience.

Our Leading Products are Cast Steel / Forged Steel Industrial Valves and Strainers, Such as Gate Valve, Check Valve, Globe Valve, Ball Valve, Butterfly Valve, Y Type Strainer, Basket Strainer, T Type Strainer and Temporary Strainer.

All the Industrial Valves and Strainers are According to the International Standards Api, Ansi, Din, and GB etc, and the Materials Include Carbon Steel, Alloy Steel and Stainless Steel: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, 4A, 5A, C95800, A105, LF2, F11, SS304, SS304L, SS316, SS316L, F51 and F53 etc. Sizes Range From 1/2" to 48" (Dn15 - Dn1200), Pressure Rating From Ansi Class150LB to 2500LB (Pn10 - Pn100).

Modern Workshop, Standardized Production, We Implement Strict Quality Inspection System, In-House Inspection or Third-Party Inspection to Make Sure All the Products are Qualified Before Delivery.

Our Industrial Valve and Strainer are Widely Used in Oil, Gas, Petrochemical, Water Treatment and Energy Industries. And exported to Many Countries and Regions.

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