PTFE Spring Energized Lip Seals for High Pressure and Cryogenic Valves

Product Details
Customization: Available
Structure: Single End
Pressure: High Pressure Mechanical Seals
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  • PTFE Spring Energized Lip Seals for High Pressure and Cryogenic Valves
  • PTFE Spring Energized Lip Seals for High Pressure and Cryogenic Valves
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  • Overview
  • Product Description
  • Key Features
Overview

Basic Info.

Model NO.
PTFE
Temperature
High Temperature Mechanical Seal
Performance
High Pressure
Standard
Nonstandard
Type
PTFE Spring Energized Lip Seals
Balance
Balanced
Transport Package
Export Carton, Pallet
Specification
Customized sizes according to drawing
Trademark
Hongda
Origin
China
HS Code
3902900090
Production Capacity
Big&Stable

Product Description

 
Product Description

PTFE Spring energized lip seals perform reliably in a variety of applications where conventional elastomeric seals fail due to chemical attack, extreme heat or cold, friction, extrusion or compression set.

PTFE spring energized lip seals have three basic design elements:

  • A pressure-actuated U-shaped jacket
  • A metal spring loading device
  • High performance polymeric seal materials

Spring energized seals is a spring-energized U-cup that uses a variety of jacket profiles, spring types and materials in rod and piston, face and rotary seal configurations. They are used when elastomeric seals fail to meet temperature range, chemical resistance or friction requirements.

Jacket profiles are made from PTFE and other high performance polymers. Spring types are available in corrosion-resistant alloys, including stainless steel, Elgiloy and Hastelloy.

 
Key Features

The unique design and material properties of these seals provide design engineers with a new assortment of solutions to difficult applications.

Some of the more remarkable capabilities of the spring energized seal include:

  • Very low friction
  • Universal chemical compatibility
  • High speed service
  • Cryogenic service to -200 degrees Celsius
  • High temperature service to 280 degrees Celsius
  • High pressure ratings (over 30 Kpsi)
  • Permanent elasticity with immunity to aging embrittlement and compression set.
Design of Various PTFE Spring Energized lip seals
PTFE Spring Energized Lip Seals for High Pressure and Cryogenic Valves
PTFE Spring Energized Lip Seals Jacket Materials
Material Code Colour Description & Recommended Use Temperature Range(ºC) Tesile Strength Hardness(Shore D)
Higdom® 100 White Virgin PTFE. Suitable for static and moderate dynamic service.Limited wear and heat resistance.Low gas permeability.Good cryogenic properties.Moderate to hard vacuum service. -196~+200 26±2 58
Higdom® 110 Clear Pure Fluorine Resins. Thermoplastic with superior resistance to nuclear radiation but limited heat and wear resistance.Not recommended for general purpose sealing. -100~+150 37±2 72
Higdom® 200 White Modified PTFE. Suitable for moderate dynamic and static service.Limited wear and heat resistance.Improved creep resistance.Low gas permeability.Good cryogenic properties.Moderate to hard vacuum service -200~+260 30±2 58
Higdom® 500 Black Filled PTFE. Excellent wear resistance at high temperature,high pressure and high speed.It is especially suitable for water and water-based solutions.It behaves well under dry or bad lubrication conditions. -196~+260 13±2 64
Higdom® 800 Tan Filled pPTFE. Superior heat and wear resistance.Non-abrasive.Recommended for moderate to high speed dynamic service running against soft metals.Not recommended for applications with steam. -196~+260 20±2 60
Higdom® 900 Golden Yellow UHMW-PE. Extremely tough,long wearing but limited heat and chemical resistance.Especially suitable for abrasive media.Recommended for long wear life under severe conditions. -200~+80 30±2 61
Higdom® 015 Tan Pure PEEK. High modulus material with excellent high temperature resistance.Recommended for back-up rings and for special applications. -200~+260 95±5 90
Higdom® 120 Golden Yellow Filled PTFE. Tough,long wearing,heat resistance.Very low friction.Excellent for dry running applications against soft surfaces.Excellent materials for reciprocating applications -200~+260 12±2 60
Higdom® 150 Grey Filled PTFE. Similar to Higdom® 271 material but somewaht softer for improved sealing at low pressure.It's abrasive against soft metals. -200~+260 21±2 58
Higdom® 160 Grey Filled PTFE. General materials with good heat resistance and wear resistance.It's recommended for applications with poor drying and lubrication.It is especially suitable fro water and steam applications. -200~+260 18±2 60
Higdom® 211 Black Filled PTFE. Similar to Higdom® 160 material but increased hardness and wear resistance.Excellent in steam and water under severe conditions.Improved creep and extrusion resistance at higher temperature.Good for back-up rings. -200~+260 10±2 70
Higdom® 271 Grey Filled PTFE. Tough,long wearing,heat resistance.Recommended for high pressure hydraulic service.It's abrasive running against soft metals at high surface speeds. -200~+260 20±2 58
Higdom® 411 Black Filled PTFE. Excellent multi-purpose high wear resistant materials.Particularly suitable for dynamic applications of medium to high hardness surfaces. -200~+260 16±2 60
Higdom® 421 Black Filled PTFE. Excellent general purpose material with good heat and wear resistance.Non-abrasive.Compatible with all hydraulic fluids and most chemicals.Good in water and non-lubricating fluids. -200~+260 10±2 60

Production Facility
PTFE Spring Energized Lip Seals for High Pressure and Cryogenic Valves

 

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