Factory Direct Spring Energized PTFE Seal for LNG/LPG Nozzle
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Product Details
| Customization: | Available |
|---|---|
| Material: | PTFE/Filled PTFE/Modified PTFE |
| Application: | LNG/LPG Nozzle |
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Basic Info.
- Model NO.
- HDSS0012
- Type
- Oil Seal
- Performance
- High Pressure
- Shape
- O-Ring
- Standard
- Nonstandard
- Spring Options
- O Shape/V Shape/U Shape
- Transport Package
- Export Carton, Pallet
- Specification
- Standard size and custom made are available
- Trademark
- Hongda
- Origin
- China
- Production Capacity
- Big&Stable
Product Description
Spring energized PTFE 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 seals have three basic design elements:
- A pressure-actuated U-shaped jacket
- A metal spring loading device
- High performance polymeric seal materials
Spring energized PTFE 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.
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 PTFE 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.
Spring Energized PTFE 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 PTFE. 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 |
Application in LNG/LPG Nozzle
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