Spiral Wound Gasket_Hejian Maosheng Sealing Materials Co., Ltd.

Name: Spiral Wound Gasket
Brand: Hejian Maosheng Sealing Materials Co., Ltd.
SKU: metal-spiral-gasket

Overview

Product Summary

Product Overview

Spiral wound gaskets with alternating metal and filler layers for high pressure and temperature flange joints.

Description Spiral wound gaskets with alternating metal and filler layers for high pressure and temperature flange joints. Spiral wound gaskets with alternating metal and filler layers for high pressure and temperature flange joints.

Common Types Spiral wound with or without rings Spiral wound with or without rings

Operating Conditions High pressure pipes, heat exchangers and valves High pressure pipes, heat exchangers and valves

Size Range To size and pressure rating To size and pressure rating

Customization Metal, filler and ring type Metal, filler and ring type

Features

Specifications and Applications

Specs & Applications

Organised by common application and material for quick reference.

Organized by common uses and materials for quick reference.

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Tech Guide

技术详解：Standard与常用Model

Technical Guide: Standards & Common Models

按现行国家标准整理的Standard、常用Model与选型要点，供Purchasing与技术人员选型参考。

Current GB/HG standards, common models and selection tips for buyers and engineers.

Spiral Wound Gasket Technical Details

Spiral wound gaskets combine metal winding with graphite or PTFE filler for medium/high pressure flanges. Per HG/T 20610-2009: types A/B/C/D, DN10-DN2000, PN1.6-PN100, 3.2/4.5mm thick, graphite filler to 550C.

Item	Parameter
Nominal size DN	DN10 ~ DN2000
Nominal pressure	PN1.6 / PN2.5 / PN6 / PN10 / PN16 / PN25 / PN40 / PN63 / PN100
Gasket thickness	3.2mm（常用）、4.5mm，另有 2.5 / 6.4 / 7.2mm
Metal strip material	304、304L、316、316L、321、碳钢、钛、蒙乃尔等
Filler material	柔性石墨、聚PTFE乙烯（PTFE）、无石棉纸

Read the full technical guide: Spiral Wound Gasket specifications and common models.

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Frequently Asked QuestionsFrequently Asked Questions

Q：Spiral Wound GasketSuitable for什么Service Conditions？What are spiral wound gaskets used for?

A：高温高压管道法兰，-200℃ 到 600℃ 都能用，耐压高，是热力管网、蒸汽系统的常规选择。High-temperature, high-pressure flange joints from -200 C to 600 C.

Q：法兰面不平整能用吗？Can they be used on rough flange faces?

A：不建议。缠绕垫对法兰面平整度要求较高，法兰面有划痕或变形时建议用软一些的石墨复合垫。Not recommended - use a softer graphite composite instead.

Q：可以按SpecificationCustom吗？Can they be made to specification?

A：可以。提供法兰Specification或垫片尺寸（Outer Diameter/Inner Diameter/Thickness），我们按图生产。Yes - send the flange size or gasket dimensions and we produce to order.

还有Other问题？把Service Conditions发给我们，技术人员帮你判断选型，当天回复。More questions? Send us your working conditions and we will advise the same day. Contact UsContact us