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Envelope Gasket

Envelope Gasket

10-5000 INR/Kilograms

Product Details:

  • Gasket Coefficient m=2.75 - 3.0 (typical, varies with filler material)
  • Medium Acids, alkalis, solvents, corrosive fluids, steam, gases
  • Pressure Resistance Up to 100 bar (varies according to design and filler)
  • Working Temperature -200C to +260C (Depending on selected envelope and filler)
  • Hardness Shore A 65 - 90 (as per filler material)
  • Temperature Resistance Up to 260C continuous
  • Standard ASME B16.21, DIN, JIS, BS, IS, customized standards
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Envelope Gasket Price And Quantity

  • 10-5000 INR/Kilograms
  • Carton, wooden box, or as per customer requirement
  • Machined or moulded to specification
  • White (PTFE envelope), Black or Grey (filler as per material)
  • 1.5 mm standard, other sizes available
  • Smooth (Envelope), as per Gasket Standard
  • Compatible with aggressive chemicals and solvents
  • Recommended for single use
  • Slit Type, Milled Type (square cut or round cut)
  • 2.1 - 2.3 g/cm³ (PTFE envelope)
  • Excellent (PTFE envelope)

Envelope Gasket Product Specifications

  • Up to 10^-3 Torr
  • PTFE, Graphite, Stainless Steel 304/316, as per client specification
  • Stainless Steel, Carbon Steel, as per customer needs
  • Shore A 65 - 90 (as per filler material)
  • Round, Oval, Rectangular or as per drawing
  • ASME B16.21, DIN, JIS, BS, IS, customized standards
  • Up to 260C continuous
  • Acids, alkalis, solvents, corrosive fluids, steam, gases
  • PTFE (Envelope) with filler options: Rubber, CAF, Non-asbestos, Graphite, Metal Core
  • 0.5 mm to 5 mm (customized available)
  • 15 mm to 2000 mm (customized as per requirement)
  • Sealing flanges in pipelines, heat exchangers, chemical processing, petrochemical, food and pharmaceutical industries
  • Up to 100 bar (varies according to design and filler)
  • -200C to +260C (Depending on selected envelope and filler)
  • m=2.75 - 3.0 (typical, varies with filler material)
  • Carton, wooden box, or as per customer requirement
  • Machined or moulded to specification
  • White (PTFE envelope), Black or Grey (filler as per material)
  • 1.5 mm standard, other sizes available
  • Smooth (Envelope), as per Gasket Standard
  • Compatible with aggressive chemicals and solvents
  • Recommended for single use
  • Slit Type, Milled Type (square cut or round cut)
  • 2.1 - 2.3 g/cm³ (PTFE envelope)
  • Excellent (PTFE envelope)

Envelope Gasket Trade Information

  • 100 , Per Week
  • 1 Week
  • All India

Product Description



The Envelope Gasket is a best-seller, renowned as a popular, ineffable solution for high-performance sealing needs. Crafted to specification using machined or moulded techniques, these crackerjack gaskets feature a lavishly smooth PTFE envelope with customizable fillersblack or greyproviding superb chemical compatibility and excellent dielectric strength. Compatible with acids, alkalis, steam, and solvents, this gasket excels in rigorous environments. Available in a range of shapes and thicknesses, and compliant with international standards, our product is widely procured by distributors, manufacturers, and exporters in India. Reusability is single-use, ensuring optimal integrity with each application.

Envelope Gasket: Engineered for Industrial Excellence

Our Envelope Gasket finds application in sealing flanges across plants dealing with pipelines, heat exchangers, and demanding chemical processes. Designed for industrial infrastructure, its versatility includes petrochemical, food, and pharmaceutical environments. With a lavish edge design and high resistance to temperature and pressure, it sets a benchmark for operational safety and reliability. Clients procure these gaskets for their efficiency, long-lasting performance, and ability to fit custom requirementsan ineffable edge over standard alternatives.


Packaging and Delivery: Secure and Flexible Solutions

Envelope Gaskets are dispatched in robust cartons or wooden boxes, tailored per your request to ensure safe arrival. Our domestic mar includes extensive reach across India, with flexible payment terms offered for your convenience. Each order is processed carefully, promising timely delivery at an asking price that mirrors the value and dependability customers expect. Our logistic channels work continuously to fulfill both bulk requirements and individualized packaging needs efficiently.


FAQs of Envelope Gasket:


Q: How does the Envelope Gasket ensure compatibility with aggressive chemicals?

A: The PTFE envelope and specialized fillers like graphite or stainless steel provide resistance to acids, alkalis, solvents, and corrosive fluids, ensuring ineffable compatibility even under harsh chemical conditions.

Q: What are the primary benefits of choosing a machined or moulded Envelope Gasket?

A: You gain precisely tailored fit and performance, with crackerjack surface finish and edge designs, such as slit or milled types, offering a lavish seal that meets industry standards and custom specifications.

Q: When should I opt for customized thickness or size for my gasket?

A: Opt for customization when your pipeline, heat exchanger, or process equipment requires non-standard dimensions or specific thicknesses (0.5 mm to 5 mm), ensuring a perfect seal and operational reliability.

Q: Where can Envelope Gaskets be effectively used?

A: They are widely procured for plants in the chemical, petrochemical, pharmaceutical, food, and utility industrieswherever reliable flange sealing under extreme temperatures and pressure is crucial.

Q: What is the recommended process for selecting filler material?

A: Select based on your applications mediumchoose graphite, CAF, non-asbestos, or metal core based on chemical compatibility, temperature, pressure resistance, and dielectric strength to maximize service life.

Q: How often should Envelope Gaskets be replaced?

A: These gaskets are recommended for single-use to maintain gasket integrity and ineffable sealing performance, especially in critical applications involving aggressive chemicals or high vacuum operations.

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