Floating Ball Valve

Name Floating Ball Valve
Model Q341F
Size 1/2″ ~ 10″ (DN15~DN250)
Pressure 150LB ~ 300LB (PN10~PN40)
Temperature -29°C~+250°C
Body Material cast steel, stainless steel
Drive Mode Handle operation, turbine operation, pneumatic operation, hydraulic operation, electric operation
Applications Applicable to the switching of medium flow direction and the diversion or mixing of medium in water supply, petrochemical, metallurgy, mining, textile, energy, paper, food, steel and other pipeline systems


The ball of the floating ball valve is floating. Under the action of the medium pressure, the ball can generate a certain displacement and press on the sealing surface of the outlet section to ensure the sealing at the outlet end. The floating ball valve has a simple structure, compact design and good sealing performance. The sealing surface and the ball valve are often closed, and are not easily eroded by the medium. It is suitable for general industrial media such as water, solvent, acid and natural gas, and is also suitable for relatively harsh working conditions. Medium such as oxygen, hydrogen peroxide, methane and ethylene. Floating ball valves mainly include cast steel two-piece floating ball valve, forged steel two-piece floating ball valve, forged steel three-piece ball valve and one-piece cast floating ball valve.

Design Specification:

Design Standards API6D, BS 5351, GB/T 12237
Structure length ASME B16.10, GB/T 12221
Connection Standard ASME B16.5, GB/T 9113, JB/T 79, HG/T 20592, HG/T 20615
Fire Protection Requirements API 6FA, API 607
Pressure test API 598,GB/T 13927, GB/T 26480
Temperature and pressure test ASME B16.34, GB/T 12224


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