The pressure seal gate valves are designed in accordance with API600 and ASME B16.34 for service of high temperature and high pressure and are widely used in fossil fuel power plant.
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The pressure seal gate valves are designed in accordance with API600 and ASME B16.34 for service of high temperature and high pressure and are widely used in fossil fuel power plant. Compared with bolted bonnet joint valves, it provides absolute reliable sealing of the bonnet joint, so that the pressure seal valves are more compact and rigid as well as maintenance cost-effective at high temperature and high pressure service.
This kind of gate valve is not only characterized as simple structure and reliable usage, but also able to create slight flexible deformation to compensate the deviation of the sealing face angle generated during processing, thus improving the process performance. In addition, at seat and gate disc seal surface are over-lay with iron-base alloy or Co-base alloy or carbide alloy for long duration.
Design Features
Design standard: API 600, ASME B16.34, GB/T 12234, JB/T3595.
The valve self-sealing type bonnet
The disc wedging phenomenon is not liable to be caused when temperature rises.
Flexible wedge
Full stellite overlay seat sealing surface
Full wedge guiding design
Absolute bonnet joint leak proof
Optional by-pass design
Product Range
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2″～60″（DN15~1500）
Pressure range: Class150～2500（PN10~420）
End connection: RF, RTJ, BW
Working temperature:-29℃～+560℃
Operation: Hand wheel, Gear Box, Electric Actuator, Pneumatic Actuator, etc.
| Brand | 3D |
| Valve Type | Pressure Seal Gate Valve |
| Valve Material | Cast steel, stainless steel, special alloy, etc |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months from the date of dispatch ex works, or 12 months from date of commodity installation. |
| Valve Painting | Customer request |
| Valve Package | Wooden case |
| MOQ | No requirement |
| Valve Certificate | API 6D/CE/ISO9001/ISO14001 |
| Delivery Detail | Shipped in 4 or 6 weeks after payment |
| Port | SHANGHAI |
| Payment Terms | L/C,D/A,D/P,T/T |
| Certificate Offered | Packing List，Commercial Invoice，Test Reports and Material Certificates，Certificate of quality and quantity, Seller’s Certificate of Guarantee |
