2026-09-24
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Rubber Flange Gasket Specifications and Common Models Guide

Rubber Flange Gasket Specifications and Common Models Guide

Rubber flange gaskets seal pipe, pump, valve and equipment flanges by filling surface irregularities under bolt load. DN15-DN800 in stock, 1.5-5mm thickness, custom ID/OD available.

Key Specifications

Item Parameter
Nominal Diameter DN15~DN800 现货,可Custom至 DN2000
常用Thickness 1.5mm / 2mm / 3mm / 4mm / 5mm
Pressure Rating PN2.5 / PN6 / PN10 / PN16 / PN25
Sealing Face型式 RF 突面、FF 全平面、MFM 凹凸面、TG 榫槽面
可选Material NBR 丁腈、EPDM 三元乙丙、NR 天然胶、CR 氯丁胶、Silicone、PTFE
Suitable温度 按Material:NBR -30~100℃,EPDM -40~120℃,Silicone -60~200℃

Applications

  • Water and circulating water pipelines
  • Pump and heat exchanger flanges
  • Valve and filter connections
  • Sanitary pipelines (EPDM/silicone)
  • Manholes and inspection ports

For quotations, samples or custom cutting of Rubber Flange Gasket, contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Rubber Flange Gasket product page for details.

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