Slab gate valve, China slab gate valve & slab gate valve manufacturers

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Features

• Cast and weld two structures with the body
• The seat ring uses the sealing face inlaid with PTFE, so as to feature dual seals of PTFE to metal and metal to metal, the PTFE sealing face also acts as removing the dirt on the wedge disc.
• For the valve with the metal to metal seal, there is grease injector outside of it.
• Automatic removal of the high pressure in the internal cavity when the valve is about to close (see the working principle diagram for the details) so as to ensure safety.
• Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.
• An indication rod or viewing window is set with the valve to show the open-close condition.