HG/T 20592-2009
钢制管法兰(PN系列)
Steel pipe flanges (PN designated)
2009-02-05
GB/T 9125.1-2020
钢制管法兰连接用紧固件 第1部分：PN系列
Fasteners for steel pipe flange joints—Part 1:PN designated
2020-09-29
UNE-EN 1092-1-2008
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
法兰及其连接件.管道、阀门、配件和附件的圆形法兰 PN指定.第1部分:钢法兰
2008-10-15
GB/T 17241.1-2024
铸铁管法兰 第1部分：PN系列
Cast iron pipe flanges—Part 1:PN designated
2024-04-25
HG/T 20613-2009
钢制管法兰用紧固件(PN系列)
Bolting for use with steel pipe flanges (PN designated)
2009-02-05
GB/T 9128.1-2023
钢制管法兰用金属环垫 第1部分：PN系列
Metallic ring joint gaskets for steel pipe flanges—Part 1：PN designated
2023-09-07
GB/T 4622.1-2022
管法兰用缠绕式垫片 第1部分：PN系列
Spiral wound gaskets for pipe flanges—Part 1: PN designated
2022-10-12
GB/T 43079.1-2023
钢制管法兰、垫片及紧固件选用规定 第1部分：PN系列
Specification for selection and matching of steel pipe flanges, gaskets and fasteners—Part 1:PN designated
2023-09-07
GB/T 19675.1-2023
管法兰用柔性石墨复合增强垫片 第1部分：PN系列
Reinforced flexible graphite gaskets for pipe flanges—Part 1: PN designated
2023-09-07
GB/T 9126.1-2023
管法兰用非金属平垫片 第1部分：PN系列
Non-metallic flat gaskets for pipe flanges—Part 1：PN designated
2023-09-07
HG/T 20609-2009
钢制管法兰用金属包覆垫片(PN系列)
Metal jacketed gaskets for use with steel pipe flanges (PN designated)
2009-02-05
HG/T 20607-2009
钢制管法兰用聚四氟乙烯包覆垫片(PN系列)
PTFE envelope gaskets for use with steel pipe flanges (PN designated)
2009-02-05
HG/T 20614-2009
钢制管法兰、垫片、紧固件选配规定(PN系列)
Specification for selection of steel pipe flanges,gaskets and bolting (PN designated)
2009-02-05
HG/T 20610-2009
钢制管法兰用缠绕式垫片(PN系列)
Spiral wound gaskets for use with steel pipe flanges (PN designated)
2009-02-05
GB/T 39245.1-2020
管法兰用金属齿形组合垫片 第1部分：PN 系列
Grooved metal gaskets with covering layers for pipe flanges—Part 1：PN designated
2020-11-19
HG/T 20611-2009
钢制管法兰用具有覆盖层的齿形组合垫(PN系列)
Covered serrated metal gaskets for use with steel pipe flanges (PN designated)
2009-02-05
HG/T 20606-2009
钢制管法兰用非金属平垫片(PN系列)
Non-metallic flat gaskets for use with steel pipe flanges (PN designated)
2009-02-05
GB/T 19066.1-2020
管法兰用金属波齿复合垫片 第1部分：PN系列
Composite wave-serrated metal gaskets for pipe flanges一Part 1: PN designated
2020-11-19
DIN EN 1092-2
Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
法兰及其接头.管道、阀门、配件和附件用圆法兰 PN指定.第2部分:铸铁法兰；德文版EN 1092-2:1997
1997-06-01
UNE-EN 1515-2-2002
Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated.
法兰及其连接件.螺栓连接.第2部分:PN指定的钢法兰用螺栓材料的分类
2002-07-29