| Valve Type ID | 953f1fd4-7896-4c87-b5b8-6f4dc4856f6d |
|---|---|
| Size Range | DN150-DN450 |
| Pressure Rating | PN10.0-PN40.0 |
| Temperature Range | -100°C to 250°C |
| Body Material | cast steel |
| Trim Material | Hastelloy |
| Seal Material | FKM |
| Stem Material | alloy steel |
| End Connection | union |
| Standard | ASME |
| Operation Method | hydraulic |
| Flow Coefficient (Cv) | 1198.56 |
| Leak Rate | ANSI Class V |
| Applicable Media | natural gas |
| Applications | natural gas |
| Industry Tags | nuclear power |
| Test Pressure | 106 |
| Design Pressure | 40 |
| Design Standard | ASME |
| Design Temperature | 250 |
| Body Material Grade | CF8 |
| Weight (kg) | 1180 |
Gate valves are linear-motion isolation valves offering a full, unobstructed bore when fully open, making them suitable for low-pressure-drop on/off service. They are not intended for throttling. Key selection factors are body/bonnet construction, stem type (rising vs. non-rising), wedge design, and pressure class per the applicable API/ASME standard.
Q: What is a gate valve used for?
A: Gate valves are used for fully open or fully closed isolation where minimal flow restriction is desired. They are not recommended for continuous throttling.
Q: Which standards govern gate valves?
A: Common standards include API 600 (bolted bonnet steel), API 602 (compact steel), API 603 (corrosion-resistant), and API 6D for pipeline service.
Guidance reflects general engineering practice for gate valves; confirm against the project specification and applicable standards before procurement.
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