High-Performance PTFE Spring Energized Seals for Pump Valves

Product Description

Product Description
The Spring Energized PTFE Seal is a spring- energized, pressure-assisted sealing device consisting of a PTFE (or other polymer) seal partially encapsulating a corrosion-resistant metal spring energizer.
The PTFE jackets are precisely machined, filled with PTFE composites and other high performance polymers, function at temperatures ranging from cryogenic to 250 C and inert to almost all chemicals. Some types also can be used in sanitary environment.

Material
PTFE filled with bronze(glass,graphite,carbon,etc.)

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

Section structure
Symmetric, for Rod, for Piston are available.

Spring type:
U shaped spring(Type 400)
Round wire spring (Type APS)
O shaped spring (Type 103)


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

Size
Both imperial and metric sizes are available on all stype.


Workshop

How to order from us? 

• 1 Contact DEF's salesman to get a quotation.( by Email, Telephone, Trademessage)
• 2 Send DEF your asked type and detailed instruction(mateials, size, quantity,color, special requestes etc.)
• 3 Will send price and other details informations to you,send back Purchaser Order for approval
• 4 After confirm order and timeline, DEF'll start production procedure once receive payment.
• 5 If require sample, please inform DEF in advance.
• 6 5~10 working days for making seals.
• 7 Quality Checking, DEF can send bulk order photo for approval before packing, if you need.
• 8 Packing
• 9 Order release for shipping.
• 10 Any issue,please contact DEF after receive package. DEF'll invest and consult with you for solution.
• Quality and Service are  DEF principle.

Please feel free to contact us if you need more details about our factory and products.

 

Name	spring lip seals ptfe for pump-PTU
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