Q44W-25

🌎 Brand: 中国方圆阀门集团

Specifications

Valve Type ID 9876b93f-de0f-4cfd-91ae-22ddfbd0b3f7
Size Range DN300-DN2400
Pressure Rating PN16.0-PN96.0
Temperature Range -100°C to 600°C
Body Material ceramic
Trim Material Monel alloy
Seal Material FKM
Stem Material alloy steel
End Connection welded
Standard JB
Operation Method manual
Flow Coefficient (Cv) 1806.75
Leak Rate micro leakage
Applicable Media oil products
Applications oil products
Industry Tags metallurgy
Test Pressure 77
Design Pressure 96
Design Standard JB
Design Temperature 600
Body Material Grade WCB
Weight (kg) 930
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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