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STEM SEALING

High performance ball valve for long term operation

The self-adjustable stem sealing design provide long term operation to reduce the frequency of maintenance and sealing parts replacement. This deign is very suitable for the valve with automation, such as pneumatic or electric actuator for high cycle operation.  As the valve sealing over it’s wear compensation, the media will leak from windows around the valve neck. This initial leakage will help uses to replace a new valve or repair kits in advance.

Zipson can also provide the products to meet ISO 15848 or TA-Luft fugitive emission requirement when require.  The emission bonnet can be an option for ultra critical condition for safety of human being or environment