Power Station Valve
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Power Station Valve
Introduction
The power station gate valve is a switch device used to control fluid in the power system, usually used in high temperature and high pressure working environment. It rotates the valve stem to move the gate up and down to achieve the opening and closing of the fluid. Since the power station gate valve needs to operate stably for a long time under harsh working conditions, its design and manufacturing materials must meet the requirements of high temperature and high pressure. Common materials include stainless steel, alloy steel, etc., which have good corrosion resistance and strength.
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Product Specifications
| Product Specifications | Design Specifications | Structure length | Connection end | Test and Inspection | Pressure-Temperature | Product Identification | ||||||
| JB/T3595 | JB/T3595 | GB/T12224 | JB/T3595 | GB/T12224 | GB/T 12220 | |||||||
Product Performance Specifications
| Product Model | Test pressure PN(MPa) |
Test pressure(MPa) | Work Pressure (MPa) |
Operating temperature (℃) |
Applicable media | |||||||
| Strength test | Sealing test/upper sealing test | |||||||||||
| Z960Y-250 | 25 | 37.5 | 27.5 | ≤425 | Water,steam | |||||||
| Z960Y-320 | 32 | 48.0 | 36.0 | ≤425 | ||||||||
| Z960Y-P54100 | 30.0 | 22.0 | P5410 | <540 | steam | |||||||
| Z960Y-P54170 | 48.0 | 36.0 | P5417 | ≤540 | ||||||||
Main parts materials
| Parts Name | Body Material Code | |||||||||||
| Valve body | WCB | WC6 | WC9 | |||||||||
| Valve plate | WCB | WC6 | WC9 | |||||||||
| Valve cover | 25 | 12Cr1Mo1VA | ||||||||||
| Valve stem | 1Cr17Ni2 | 20Cr1Mo1VA | ||||||||||
| Valve seat | 25 | 12Cr1Mo1VA | ||||||||||
| Seal ring | S mild steel (reinforced flexible graphite) | S mild steel | F Mild Steel | |||||||||
| Packing | Reinforced Flexible Graphite | |||||||||||
| Bracket | WCB | WC B或WC6 | ||||||||||
| Valve stem nut | 45(ZCuZn25A16Fe3Mn3) | |||||||||||
| Four open rings | 1Cr13 | 20Cr1Mo1VA | ||||||||||
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