
General Description:
CNAF/PTFE Gasket PTFE Envelope Seal is a premium gasket offering excellent chemical resistance, sealing and pressure resistance. These gaskets are designed for iso tank container applications transporting hazardous chemicals and food liquids.
The gasket is made from a combination of asbestos-free fiberboard and pure PTFE, which provides a very good seal and is resistant to harsh chemicals, temperatures and pressure. The non-stick properties of pure PTFE ensure the gasket remains clean and free of contamination, reducing the risk of product contamination.
The significant advantage of PTFE envelope seals is their excellent mechanical strength. The compressed asbestos-free fiber sheet has excellent elasticity and can quickly recover after being subjected to pressure, ensuring that the gasket maintains a good seal even under high-pressure conditions.
These gaskets are suitable for use in a variety of industries, including food processing, pharmaceutical and chemical processing. They can be used in a wide range of media, such as corrosive and acid-base chemicals.
In summary, the CNAF/PTFE Envelope Gasket is a premium gasket that combines the chemical resistance and hygienic properties of virgin PTFE with the mechanical properties of compressed non-asbestos fiber (CNAF) filler. Very suitable for iso tank container usage conditions.
Applications:
CNAF/PTFE Gasket PTFE Envelope Seal is suitable for sandwich sealing of various reactors, pressure vessels, condensers, reactors, heat exchangers and storage tanks. Used for sealing tank mouths, manholes, and hand holes.
Gasket type:
1. V type, cutting type, cutting the PTFE sheet from the outside to the inside wall, suitable for low pressure, economical type.
2. L type, machined (square), mechanically turned from PTFE plate, suitable for medium and high pressure.
3. U-shaped, folding type, made of PTFE tape that is wrapped and then heated and bonded. It is generally used for diameters greater than 200mm. The special combination design of PTFE coated gaskets can be used in industries such as food and medicine. Contamination is not allowed

applications






MANUFACTURING TECHNIQUE

40+YRS OF PROFESSIONAL PRODUCTION TECHNOLOGY AND EXPERIENCE

20+YRS EXPORT EXPERIENCE, 7X24 RESPONSE

5 EXPERTS WITH 20+YRS OF EXPERIENCE

PRODUCT DIVERSITYCUSTOMIZATION AVAILABLE

ADVANCED EQUIPMENT, HIGH EFFICIENCY,
LOW COST

SHORT DELIVERY, SUFFICIENT INVENTOR





SUNPASS, founded in 1979, specializes in the production of industrial sealing and thermal insulation materials. Serving new tank container manufacturer, manhole cover manufacturer, valve manufacturer, hazardous chemicals manufacturer, depot, transport logistics companies, cleaning and maintenance service companies and trade companies at home and abroad.
-Supply to the world's top 6 tank container manufactures, such as CIMC, SINGMAS, etc
-China's first national brand SUNPASS for tank accessories
-ISO 9001 system certification, 26 patents and trademarks
-Strict internal control, professional team, 6 senior technical experts with more than 20 years experience, 87% professional customer service staff with more than 3 years experience, 8 quality inspectors with more than 5 years experience
-Member of ITCO and Tank Container Development Alliance -Over 200 workers, 18000M2 workshop -12 sets of German equipment & advanced technology
-Distributor: Netherlands, Indonesia, Thailand, India
SunPass includes Tenglong Sealing, TopSealing and Sunpass. Tenglong laid the foundation for the development of Top Sealing and SUNPASS. Top Sealing Focus on export business, and SUNPASS focus on Tank Container Spare Parts. Sunpass/TopSealing departments: Finance(3), Research and Development(8), Technical(8) , Sales(9), Manufacturing(50), Production Material Control(40) and Administrative&Human Resources Department(6).
SUNPASS has sealing products workshop, dust cap workshop, thermometer workshop, pressure gauge workshop, and so on. The products involve manlid seal, super tank seal, flanges gaskets, PTFE gaskets, O rings, FEP encapsulated manlid seal, dust caps, thermometers, pressure gauges, swing bolts, document holders, walk way, frame gauze, one way ball valve, flanges, as well as other accessories. SUNPASS products are exported to Netherlands, United States, France and all over the world.
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