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

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