Products
Spring Energized Seal
PTFE Spring Energized Radial Seals with Linear Gaps
Valve PTFE Spring Energized Radial Seals
There are many considerations to make when selecting a polymer for a ball valve seat. The following list includes the main attributes of the material.
i. Sufficient ductility to provide a reliable seal.
ii. Dimensional stability to ensure the ball valve seat retains its shape for reliable sealing and performance.
iii. Very low friction to keep stem torque at a minimum.
iv. Low coefficient of thermal expansion so that the ball valve seat retains its shape when temperature changes occur.
v. Excellent wear resistance for a long service life.
vi. Chemical compatibility with all media involved .
Product description
The PTFE spring energized seal is a spring-actuated, pressure-assisted sealing device consisting of a PTFE(or other polymer) jacket partially encapsulating a stainless steel spring energizer.
Material
Stainless steel spring
PTFE+bronze(brown, green); PTFE+glass(white, blue); PTFE+carbon(black); Virgin PTFE(white), etc.
Other special material is also available.
Spring style
U shaped spring
Round wire spring
O shaped spring
Groove style
Standard Heel Groove.
Extended Heel Groove.
Flanged Heel Groove.
Radial Seals in Static Service.
Radial Seals in Reciprocating Motion.
Outside face Seals in Static and rotary Service
Inside face Seals in Static and rotary Service.
Application
Aircraft, aerospace
Medical instrumentation
Liquid chromatography
Semicoductor manufacturing equipment
Petroleum and chemical process equipment
Pumps, valves. Compressors and mechanical seals
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