Tengs Valve International Limited
| Supply Ability | 500 Pcs Per Month |
| Delivery Time | 30 Days |
| Packaging Details | Sea Worthy Plywoods |
| Body Material | Cast Steel:Carbon Steel GS-C25 |
| Trim: | 13Cr, Half Stellite/ Full Stellite |
| Size: | Dn50 - Dn600 |
| Pressure Rating | Pn10 - Pn64 |
| Actuator | Handwheel, Gear Operated, Electric Actuator, Or Bare Stem |
| Connection Ends | FF, RF, RTJ, BW |
| Painting | As per Staindards |
| Other | OEM Available |
| Brand Name | Tengs Valve |
| Model Number | Z40 |
| Certification | ISO,CE |
| Place of Origin | China |
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Product Specification
| Supply Ability | 500 Pcs Per Month | Delivery Time | 30 Days |
| Packaging Details | Sea Worthy Plywoods | Body Material | Cast Steel:Carbon Steel GS-C25 |
| Trim: | 13Cr, Half Stellite/ Full Stellite | Size: | Dn50 - Dn600 |
| Pressure Rating | Pn10 - Pn64 | Actuator | Handwheel, Gear Operated, Electric Actuator, Or Bare Stem |
| Connection Ends | FF, RF, RTJ, BW | Painting | As per Staindards |
| Other | OEM Available | Brand Name | Tengs Valve |
| Model Number | Z40 | Certification | ISO,CE |
| Place of Origin | China | ||
| High Light | metal seated gate valve ，pressure seal gate valve | ||
Din Flanged Gate Valve Carbon Steel GS-C25 Metal Seat Hardfaced with Manual Operated
Quick Details:
1. Type: Din Gate Valves
2. OS&Y, Bolted Bonnet, Solid or Flexible Wedge Design
3. Size Range: Dn50 to Dn600
4. Pressure Ratings: Pn16 - Pn64
5. Materials Available in: Cast Carbon Steel GS-C25
6. Various trim materials are available to suit different service conditions
7. Actuator: Manual, Handwheel
8. NACE MR 0175 on request
Standards
| Design Standard | DIN3352 |
| Face to Face | DIN3202 |
| Flange Ends | DIN2543-2545 |
| Test & Inspection | DIN3230 |
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.
1. Cast Steel GS-C25 Gate Valve Parts and Material List:
| Parts Name | Material | |||
| CS/Trim 1 | CS/Trim 8 | CS/Trim 5 | ||
| 1 | Body | DIN 17245 GS-C25+CR 13 | DIN 17245 GS-C25+STL | DIN 17245 GS-C25+STL |
| 2 | Wedge | DIN 17245 GS-C25+CR 13 | DIN 17245 GS-C25+CR 13 | DIN 17245 GS-C25+STL |
| 3 | Stem | ASTM A182 F6a | ||
| 4 | Nut | A194 2H | ||
| 5 | Bolt | A193 B7 | ||
| 6 | Gasket | SS Spiral Wound W/graphite, or SS Spiral Wound W/ PTFE, or Reinforced PTFE | ||
| 7 | Bonnet | DIN 17245 GS-C25+CR 13 | DIN 17245 GS-C25+CR 13 | DIN 17245 GS-C25+CR 13 |
| 8 | Packing | Braided Graphite or Reformed Graphite Ring or PTFE | ||
| 9 | Gland | ASTM A182 F6a | ||
| 10 | Gland Flange | DIN 17245 GS-C25 | ||
| 11 | Stem Nut | Copper Alloy or A439 D2 | ||
| 12 | Hand Wheel | Ductile Iron or Carbon Steel | ||
2. Hydro Test Specifications:
| Nominal Pressure (MPa) | Shell Test (MPa) | Sealing Test(MPa) | Suitable Medium |
| 1.6 | 2.4 | 1.76 | Water, Oil & Gas |
| 2.5 | 3.75 | 2.75 | |
| 4.0 | 6.0 | 4.4 | |
| 6.4 | 9.6 | 7.04 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Ecer Certification：
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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, But... 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, But...
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