J74F-150

🌎 Brand: 上海渠工阀门管道工程有限公司
Fire Safe

Specifications

Valve Type ID 9876b93f-de0f-4cfd-91ae-22ddfbd0b3f7
Size Range DN80-DN160
Pressure Rating PN40.0-PN240.0
Temperature Range -20°C to 100°C
Body Material cast iron
Trim Material copper alloy
Seal Material metal seal
Stem Material duplex steel
End Connection ferrule
Standard BS
Operation Method gear
Flow Coefficient (Cv) 1971.71
Leak Rate ANSI Class IV
Applicable Media corrosive media
Applications corrosive media
Industry Tags food & beverage
Test Pressure 65
Design Pressure 240
Design Standard BS
Design Temperature 100
Body Material Grade LCC
Weight (kg) 595
Specifications compiled from manufacturer technical datasheets.

Engineer's Selection Guide: Ball Valves

Ball valves provide on/off isolation with a quarter-turn motion and very low pressure drop in the open position. Selection centers on bore (full vs. reduced), seat type (soft vs. metal), fire-safe/anti-static provisions for flammable service, and the end-connection standard. Confirm the pressure-temperature envelope and body/trim material against the process media before specifying.

Frequently Asked Questions

Q: What is a ball valve used for?

A: Ball valves are primarily used for on/off isolation of liquids and gases where a tight shutoff and low flow resistance are required. They are common in pipeline, process, and utility services.

Q: Which standards govern ball valves?

A: Commonly referenced standards include API 608 (steel ball valves), API 6D (pipeline valves), ISO 17292, and BS 5351. The applicable standard depends on service and project specification.

Guidance reflects general engineering practice for ball valves; confirm against the project specification and applicable standards before procurement.

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