GB/T 17727-2008 in English
SUPERSEDEDNonmetal material gaskets for marine flange
- Issued on:2008-02-14
- Implemented on:2008-09-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$175.00
本标准规定了法兰连接尺寸按GB/T 569、GB/T 2501、JIS B 2220的船用法兰非金属垫片的分类和标记、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于燃油、滑油、海水、饮用水、空气、惰性气体和温度不高于250℃的热油及温度不高于260℃的蒸汽用船舶管路系统及其附件法兰连接垫片的设计、制造和验收。 本标准代替GB/T2502—1989《船用法兰软垫圈(四进位)》、GB/T17727—1999《船用法兰非石棉材料垫片》。
本标准与GB/T2502—1989、GB/T17727—1999相比,主要有下列变化:
———标准名称改为《船用法兰非金属垫片》;
———本标准中A 型垫片的法兰连接尺寸和密封面符合GB/T569,AS型垫片的法兰连接尺寸和密封面符合GB/T2501,AJ型垫片的法兰连接尺寸和密封面符合JISB2220;
———公称压力由原来的0.6 MPa~4.0 MPa改为0.2 MPa~6.4 MPa;
———AS型的公称通径由原来的10mm~1000mm 扩大到10mm~2000mm;
———增加了法兰连接尺寸符合JISB2220的垫片尺寸;
———增加了符合输送饮用水介质的卫生要求。
Scope
This standard specifies the classification, marking, requirements, test methods, inspection rules and markings of marine flange non-metallic gaskets (hereinafter referred to as gaskets) whose flange connection dimensions are in accordance with GB/T 569, GB/T 2501, and JIS B 2220. , packaging, transportation and storage. This standard applies to fuel oil, lubricating oil, sea water, drinking water, air, inert gas, thermal oil with a temperature not higher than 250°C and steam with a temperature not higher than 260°C and its accessories flange connection gaskets design, manufacture and acceptance.

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