PTU/PTA/PTB
PTFE+Carton
Cylinder
Oil Seal
High Pressure
O-Ring
Standard
White, Blue, Brown, Black, Grey
According to Your Needs
ISO9001, SGS
Ring Gasket
Energize Sealing
Free
DEF
Carton
SGS
China
8484800
Product Description
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.
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.
| Name | Spring energized ptfe seals |
| Sliding speed[m/s] | 15 |
| Temperature [° C] | -40...+260 For specific applications beyond indicated range, please enquire. |
| Pressure Pr: N/mm² (Max) | 45 |
| Medium | Virtually all fluids, chemicals and gases |
| Material | Virgin PTFE, PTFE+carbon, PTFE+glass fiber, PTFE+bronze, PTFE+polyester, PEEK etc. Other special material is also available. |
| Color | coffee, white, black, blue, beige |
| Type of spring | V-spring, Helical Spring, Slanted Coil Spring |
| Size | Supply standard and non-standard size |
| Advantages | 1. Resistant to most fluids and chemicals 2. Low coefficients of friction 3. Stick-slip-free operating for precise control 4. High abrasion resistance and dimensional stability 5. Can handle rapid changes in temperature 6. No contamination in contact with foodstuffs. pharmaceutical and medicinal fluids. 7. High temperature range 8. Sterilisable 9. Unlimited shelf life. |
| Application | Valves Pumps Separators Actuators Dosing devices |
| Certificates | ISO9001-2008, SGS |
