PTFE bellow high flexible PTFE bellow compensators PEEK PTFE bellow
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- Supplier: Shenzhen Dechengwang Technology Co. Ltd.
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Product Overview
Description
PTFE bellows - Customized Design and Performance
PTFE Bellows
PTFE bellows are used, for example, as compensating elements between engineered parts. By specifically using different fold geometries, any combination of properties can be achieved as required—for example, high flexibility or compressive strength.
The outstanding material properties of PTFE allow bellows to be used increasingly in the medical and food sectors, as well as in general industry.
The outstanding material properties of PTFE allow bellows to be used increasingly in the medical and food sectors, as well as in general industry.
Advantages:
- Almost universal chemical resistance
- Conformity for food and pharmaceutical products
- Highly suitable for sterilization
- Antiadhesive behavior
- Large temperature range of –60°C to +200°C
- Cost-effective series production from semifinished product to final product
- High reverse bending strength
- Good dimensional stability
- Low tooling costs
- Freedom of design
- Conformity for food and pharmaceutical products
- Highly suitable for sterilization
- Antiadhesive behavior
- Large temperature range of –60°C to +200°C
- Cost-effective series production from semifinished product to final product
- High reverse bending strength
- Good dimensional stability
- Low tooling costs
- Freedom of design
Application Examples:
- As compensation for expansion in pipe systems
- For shielding sterile areas
- Filling lines
- Aseptic valves
- Solenoid valves
- Metering devices
- Pumps and valves, coating technology, steel mills, fitting industry
- For shielding sterile areas
- Filling lines
- Aseptic valves
- Solenoid valves
- Metering devices
- Pumps and valves, coating technology, steel mills, fitting industry
Round folds bellows
Medium pressure stresses
Advantage: Easy to clean.
Advantage: Easy to clean.
Angular folds bellows
High rigidity and allows only short stroke.
Advantage: Easy to clean, Stable walls and both vertically and horizontally
mounted.
Advantage: Easy to clean, Stable walls and both vertically and horizontally
mounted.
Sharp folds bellows
Low-pressure stresses and high stroke frequencies.
Advantage: Good installation length to elasticity ratio. Well suited for use in
dynamic applications.
Advantage: Good installation length to elasticity ratio. Well suited for use in
dynamic applications.
FLOW CHART
OUR MATERIALS
Material Name | Main Properties | Compliant | Temperature Range |
PTFE | This synthetic fluoropolymer of tetrafluoroethylene is known for being one of the most versatile plastics available. Being hydrophobic, non-wetting, high density and resistant to high temperatures, it is a material with a wide variety of applications across a range of different industries. | FOOD CONTACT AVAILABLE, RoHS, REACH | -180°C to 260°C |
Modified PTFE | Modified PTFE or TFM, is a high-density copolymerized material. It has low gas permeation and reduces cold flow. Often used in the medical field and in other applications where biocompatibility is required. | FOOD CONTACT AVAILABLE, RoHS, REACH | -180°C to 260°C |
PTFE Compounds | PTFE compounded with fillers like glass fibers, carbon, graphite, bronze, MoS2, PEEK etc. to improve physical, mechanical, thermal, wearing, electrical and chemical properties. | FOOD CONTACT AVAILABLE, RoHS, REACH | -70°C to 250°C |
PEEK | PEEK is a high-performance engineering plastic with outstanding chemical resistance, excellent mechanical strength and dimensional stabilization. | FOOD CONTACT AVAILABLE, RoHS, REACH | -70°C to 250°C |
PEEK Compounds | Standard PEEK virgin grade is suitable for laboratory and medical use. After being reinforced with glass fibers and carbon, its expansion rate is significantly reduced and the flexural module is increased. This makes it ideal for applications requiring increased stability, strength and rigidity at temperatures above 300°F. | FOOD CONTACT AVAILABLE, RoHS, REACH | -70°C to 250°C |
PFA | PFA has most of the physical and chemical properties of PTF, which is commonly used as material for piping and fittings, as well as corrosion-resistant lining of vessels. | FOOD CONTACT AVAILABLE, RoHS, REACH | -200°C to 260°C |
PVDF | PVDF is a special material in fluoropolymer. Maximum purity, strength, and resistance to solvents, acids, bases and heat, all those characteristics make PVDF popular in some critical applications. | FOOD CONTACT AVAILABLE, RoHS, REACH | -50°C to 150°C |
PCTFE | PCTFE (polychlorotrifluoroethylene) is a fluoropolymer material with exceptional strength, rigidity and stability in dimensions. | FOOD CONTACT AVAILABLE, RoHS, REACH | -400°C to 150°C |
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