Check-All Flanged and Drilled PTFE Lined Check Valve

Check-All Flanged and Drilled PTFE Lined Check Valve
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Check-All Flanged and Drilled PTFE Lined Check Valve

Horizontal Vertical Flanged & Drilled PTFE Lined Style - HT 

The Check-All Flanged & Drilled - PTFE Lined check valve is a one-piece body valve with ANSI/ASME flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP encapsulated stainless steel spring. Style HVFD-T bodies are made of Carbon Steel only. The liner is made of virgin PTFE. It is installed as one solid piece of PTFE and the internal geometrical shape is machined. The PTFE liner has a minimum wall thickness of 3/32 inch which guarantees against pinholes that can be present in fused liners.