GB/T 17727-2024 船用法兰非金属垫片

ICS

47.020.30

CCS

U55

中华人民共和国国家标准

GB/T17727—2024

代替GB/T17727—2017

船用法兰非金属垫片

Nonmetalmaterialgasketsformarineflange

2024-08-23发布2024-12-01实施

国家市场监督管理总局发布

国家标准化管理委员会

GB/T17727—2024

目次

前言

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Ⅲ

1

范围

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1

2

规范性引用文件

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1

3

术语和定义

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1

4

分类和标记

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1

4.1

型式

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1

4.2

基本参数

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2

4.3

结构和尺寸

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2

4.4

产品标记

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9

5

要求

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10

5.1

材料

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10

5.2

密封性

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11

5.3

阻燃性能

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11

5.4

耐火性能

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11

5.5

外观

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11

5.6

极限偏差

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11

5.7

卫生

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12

6

试验方法

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13

6.1

材料

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13

6.2

密封性

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13

6.3

阻燃性能

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13

6.4

耐火性能

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13

6.5

外观

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13

6.6

极限偏差

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13

6.7

卫生

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13

7

检验规则

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13

7.1

检验分类

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13

7.2

型式检验

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13

7.3

出厂检验

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14

8

标志、包装、运输和贮存

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14

8.1

标志

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14

8.2

包装

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15

8.3

运输

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15

8.4

贮存

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15

Ⅰ

GB/T17727—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件代替GB/T17727—2017《船用法兰非金属垫片》，与GB/T17727—2017相比，除结构调

整和编辑性改动外，主要技术变化如下：

a）增加了材料为柔性石墨复合板、膨体聚四氟乙烯的垫片材料及适用范围（见表1）；

b）更改了材料的代号和使用温度范围（见表1，2017年版的表1）；

c）更改了产品标记（见4.4，2017年版的3.4）；

d）删除了垫片强度性能要求和试验方法（见2017年版的4.2和5.2）；

e）增加了垫片密封性，阻燃和耐火性能要求和试验方法（见5.2、5.3、5.4、6.2、6.3、6.4）；

f）增加了运输要求（见8.3）；

g）更改了贮存要求（见8.4，2017年版的第7章）。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由全国船用机械标准化技术委员会（SAC/TC137）提出并归口。

本文件起草单位：海汇海洋工程技术（舟山）有限公司、扬中市斌扬特种垫片填料有限公司、中国

船舶集团有限公司综合技术经济研究院、北京军友诚信检测认证有限公司、中国国检测试控股集团咸阳

有限公司、武昌船舶重工集团有限公司、黄海造船有限公司、中国人民解放军第四八〇二工厂、中国

人民解放军第四八〇七工厂、山东鑫弘重工有限公司、舟山市华丰船舶修造有限公司、河南柴油机重工

有限责任公司、舟山市质量技术监督检测研究院。

本文件主要起草人：于晓龙、陈金山、彭国强、彭晓斌、孙猛、周涛、谢志磊、雷建斌、李锐、

陈平新、李宏伟、蒋冬伟、王燕、刘仲宇、张军锁、孙万能、周武佩、张祥臣、厉梁、王海荣、

陆浩然。

本文件于1999年首次发布，2008年第一次修订，2017年第二次修订，本次为第三次修订。

Ⅲ

GB/T17727—2024

船用法兰非金属垫片

1范围

本文件描述了船用法兰非金属垫片（以下简称垫片）的分类和标记、试验方法，规定了性能要求、

检验规则，以及标志、包装、运输和贮存要求。

本文件适用于船舶管路系统及其附件法兰连接用非金属垫片的设计、制造和验收。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用

于本文件。

GB/T2501—2010船用法兰连接尺寸和密封面

GB/T5574—2008工业用橡胶板

GB/T9124.1—2019钢制管法兰第1部分：PN系列

GB/T9126.1—2023管法兰用非金属平垫片第1部分：PN系列

GB/T12385—2008管法兰用垫片密封性能试验方法

GB/T17219—1998生活饮用水输配水设备及防护材料的安全性评价标准

GB/T22209—2021船用无石棉纤维增强橡胶垫片材料

GB/T30680—2014氟橡胶板通用技术条件

CB/T4196—2011船用法兰连接尺寸和密封面

HG/T4070—2008硅橡胶板

JB/T6628—2016柔性石墨复合增强（板)垫

JB/T10688—2020聚四氟乙烯垫片

QB/T5257—2018聚四氟乙烯（PTFE)板材

3术语和定义

本文件没有需要界定的术语和定义。

4分类和标记

4.1型式

垫片按法兰连接尺寸和密封面分为如下六种型式：

a）A型─法兰连接尺寸和密封面按CB/T4196—2011规定的垫片；

b）AS型─法兰连接尺寸和密封面按GB/T2501—2010规定的垫片；

c）JA型─法兰连接尺寸和密封面按GB/T9124.1—2019规定的平面垫片；

d）JB型─法兰连接尺寸和密封面按GB/T9124.1—2019规定的突面垫片；

e）JC型─法兰连接尺寸和密封面按GB/T9124.1—2019规定的凹凸面垫片；

f）JD型─法兰连接尺寸和密封面按GB/T9124.1—2019规定的榫槽面垫片。

1

GB/T17727—2024

4.2基本参数

4.2.1垫片材料及其适用范围见表1。

表1垫片材料及其适用范围

设计压力使用温度范围

垫片材料代号适用介质

MPa℃

无石棉纤维增强橡胶海水、淡水、燃油、滑油、压缩空气、惰性

NA≤4.0-40～350

（芳纶耐油橡胶板）气体、油污水、冷媒水

-205～450（有

柔性石墨复合板RSB燃油、蒸汽、排气、化学品、热油≤4.0

氧），650（无氧）

海水、淡水、燃油、热油、滑油、压缩空

聚四氟乙烯PTFE气、惰性气体、油污水、冷媒水、蒸汽、化

学品≤4.0-196～260

增强聚四氟乙烯RPTFELNG、LPG、LEG、氨、甲醇、酸、碱、有

膨体聚四氟乙烯EPTFE机溶剂、尿素

硅橡胶MVQ饮用水-30～120

氟橡胶FPM酸、碱、有机溶剂-30～260

≤1.0

海水、淡水、燃油、滑油、压缩空气、惰性

丁腈橡胶NBR-40～120

气体、油污水、冷媒水

4.2.2垫片的基本参数见表2。

表2垫片的基本参数

公称压力设计压力（P）公称尺寸公称压力设计压力（P）公称尺寸

型式型式

（PN）MPa（DN）（PN）MPa（DN）

60.615～5005K0.7

10～1500

JA、JB10K1.4

10、161.0、1.620～500

A16K2.2

10～600

252.520～40020K3.4

JB

404.020～35030K4.010～400

2.5～160.25～1.610～200010K1.410～1500

252.510～100016K2.7

ASJC、JD10～600

404.010～60020K3.4

———30K4.010～400

4.3结构和尺寸

4.3.1A型垫片的结构和基本尺寸见图1和表3。

2

GB/T17727—2024

标引符号说明：

d─内径；

D─外径；

t

─厚度。

图1A型、AS型、JB型、JC型、JD型垫片

表3A型垫片的基本尺寸

单位为毫米

公称压力（PN）

厚度

公称尺寸（DN）PN6～PN25PN6PN10PN16PN25PN40

（t）

内径（d）外径（D）内径（d）外径（D）

152242——

2028523551

2535604258

3243685066

40507860762

5062887288

657810811594110

8090123130105121

100115143150128150

125141168170174154176

150169193200205182204

175196223231235240212234

200220249256259265238260

225248279284285290265287

2502743093143153202913133

300326364369370375342364

350359414419421431394422

400410464470476481