Sanitary Manual Multi-position Welding Butterfly Valve The series of this valve is a kind of sanitary pneumatic or manual handle butterfly valve , wihch are widely used in stainless steel pipeline system to control and regulate medium flow.
2019-06-14
Sanitary Grade Lu Electric Three-piece Butterfly Valve Double Acting Mode: Compressed air enters the chamber through 2" inlet and gets out of 4" outlet, valve is opened; compressed air enters the chamber through 4" inlet and gets out of 2" outlet, valve is closed.
2019-05-12
Sanitary Grade Lu Electric Welding Butterfly Valve Spring Return Mode: Inlet air pressure drives piston outwards, the gear rotates accordingly to open the valve; when air pressure reduces, spring forces piton backwards, valve stem turn together with the gear to close the valve.
Sanitary Welding Pneumatic Butterfly Valve Weld connection makes the valve connected with pipeline more firmly without any leakage problem or any dead area for fluids retention.
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