D55W-40

🌎 Brand: 北京首高高压阀门厂
Fire Safe Anti-Static

Specifications

Valve Type ID 953f1fd4-7896-4c87-b5b8-6f4dc4856f6d
Size Range DN32-DN64
Pressure Rating PN25.0-PN75.0
Temperature Range -100°C to 250°C
Body Material copper
Trim Material Monel alloy
Seal Material NBR
Stem Material stainless steel
End Connection union
Standard ANSI
Operation Method pneumatic
Flow Coefficient (Cv) 160.71
Leak Rate ANSI Class V
Applicable Media high-temperature media
Applications high-temperature media
Industry Tags marine
Test Pressure 168
Design Pressure 75
Design Standard ANSI
Design Temperature 250
Body Material Grade WC6
Weight (kg) 1908
Specifications compiled from manufacturer technical datasheets.

Engineer's Selection Guide: Gate Valves

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.

Frequently Asked Questions

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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