Product description
The DEF 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(Type 400)
Round wire spring (Type APS)
O shaped spring (Type 103)

Groove style
Standard Heel Groove.
Extended Heel Groove.
Flanged Heel Groove.

Radial Seals in Static Service.
Radial Seals in Reciprocating Motion.
Inside face Seals in Static and rotary Service.
Outside 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

Both imperial and metric sizes are available on all styles. Customized service is always welcome.