PTFE valve seat PEEK valve seat
Polymer valve seat for choice:
PCTFE seat is a high modulus material that provides excellent resistance to dimensional instability due to low-temperature effects. Therefore suited to many of cryogenic service conditions
PTFE seat (Pure and Filled and modified) provides a low friction seat, with excellent media compatibility.
Filled PTFE seats or seals increase wear resistance and can support seating loads of the higher class of valves. There are many kind of fillers for choice, such as carbon fiber, glassfiber, graphite, molybdenum disulfide
PEEK seat (Pure and Filled) is a high modulus material providing higher temperature capability and compression resistance compared with many other polymers. PEEK with carbon firber Fillers can improve friction characteristics and reduce actuation torque.
PFA seat is a high modulus material providing both high and cryogenic temperature capability. Valve seats and seat inserts - seats for all types of valves including ball valves, gate valves,butterfly valves and plug valves.
Valve stem seals - including chevron packing and all types of energised seals.
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