Bare Stem Ball Valve
Bare stem ball valve, ball valve with iso 5211 top flange to connect the pneumatic or electric actuator. Low torque for ball valve is a must so as to choose the smaller size of actuator.
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Key Specifications / Features
The bare stem ball valves are with advanced desgin and process to gurantee the low operation torque under the pressure of 1.1 times of design pressure.
The test result for some of the torque values are as blow:
(Tested under pressure 1.1 times of design pressure, full differential pressure, Breaking to Open)
2″ 600LB 210 N.m
6″ 600LB 1340 N.m
8″ 600LB 2800 N.m
10″ 600LB 3900 N.m
16″ 600LB 12000 N.m
Bare Stem Ball Valve After The Assembling of Actuator