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Uniseal Gaskets Manufacturer & Supplier | Ptfe, Graphite & Rubber Insert Gaskets | Riddhi Siddhi Metal Impex

Uniseal Gaskets Manufacturer & Supplier | Ptfe, Graphite & Rubber Insert Gaskets | Riddhi Siddhi Metal Impex

Specification Details
Sizes1/2 Nb, 24 Nb
Gasket StandardsAsme B16.20 Gaskets, Asme B16.21 Gaskets
Outside DiameterNps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm.
Inside DiameterNps 1⁄2 Through Nps 8 Is ±0.4 Mm; For Nps 10 Through Nps 24, ±0.8 Mm.

Uniseal Gaskets Supplier in India – Chemical Processing Equipment Gaskets

Riddhi Siddhi Metal Impex is a reliable Uniseal Gaskets Manufacturer that provides high-integrity seals to challenging industrial pipelines and flange assemblies. These gaskets are designed on the basis of the best PTFE, graphite, and elastomer mixture to deliver good compressibility, chemical resistance, and long life. They are applicable in refineries, chemical plants, power stations, and water treatment systems to avoid leakage in different pressure and temperature regimes. With strong penetration in the B2B Marketplace, industries rely on consistent quality, accurate dimensions, and dependable performance in their ongoing operations.


One of the sub-products is the PTFE Uniseal Gasket with Rubber Core, which has been developed to ensure flexibility and sealing strength in uneven flange surfaces. The outer coating is made of PTFE material, which provides corrosion resistance, and the inner part is made of the elastomer material that provides a tight seal even at low bolt loads. It works better in chemical transfer lines, storage tanks, and utility pipelines in which thermal cycling is frequent, and thus it helps in lessening downtime and enhances operational safety.

Uniseal Gaskets Size, Weight & Grade Chart

Size (Inch)Thickness (mm)Weight (kg/pc)Grade TypeMaterial TypeTemperature RangeApplication
1/2"1.5 mm0.02 kgStandard GradeNBR Bonded FiberUp to 200°CWater, Air
2"1.5 mm0.09 kgIndustrial GradeCNAF MaterialUp to 350°COil, Gas
4"2.0 mm0.22 kgPremium GradeGraphite FilledUp to 450°CSteam, Chemicals
8"3.0 mm0.65 kgHeavy Duty GradeSS ReinforcedUp to 550°CPower Plants
12"3.0 mm1.30 kgHigh Temp GradeFlexible GraphiteUp to 700°CRefinery, Petrochemical

Type of Sub-products

Frequently Asked Questions

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Countries We Export

  • India


Cities We Supply

  • Lucknow

  • Mumbai

  • Nashik

  • Pune

  • Rajkot

  • Moradabad

  • Angul

  • Rudrapur

  • Hosdurg

  • Gandhinagar

  • Rajahmundry

  • Durgapur

  • Bharuch

  • Panipat


Industries We Serve

  • Sugar industry

    Sugar

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Paper Mill industry

    Paper Mill

  • Power Plant industry

    Power Plant

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Automobile Industry industry

    Automobile Industry

  • Electrical Industry industry

    Electrical Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Ring Man Units industry

    Ring Man Units

  • Railways industry

    Railways

  • Gasket Industry industry

    Gasket Industry

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry