GB/T 9125.2-2020
钢制管法兰连接用紧固件 第2部分：Class系列
Fasteners for steel pipe flange joints—Part 2：Class designated
2020-07-21
HG/T 20615-2009
钢制管法兰(Class系列)
Steel pipe flanges (Class designated)
2009-02-05
GB/T 9128.2-2023
钢制管法兰用金属环垫 第2部分：Class系列
Metallic ring joint gaskets for steel pipe flanges—Part 2：Class designated
2023-09-07
GB/T 17241.2-2024
铸铁管法兰 第2部分：Class系列
Cast iron pipe flanges—Part 2: Class designated
2024-04-25
HG/T 20634-2009
钢制管法兰用紧固件(Class系列)
Bolting for use with steel pipe flanges (Class designated)
2009-02-05
HG/T 20623-2009
大直径钢制管法兰(Class系列)
Large diameter steel pipe flanges (Class designated)
2009-02-05
GB/T 43079.2-2023
钢制管法兰、垫片及紧固件选用规定 第2部分：Class系列
Specification for selection and matching of steel pipe flanges, gaskets and fasteners—Part 2: Class designated
2023-09-07
GB/T 4622.2-2022
管法兰用缠绕式垫片 第2部分：Class系列
Spiral wound gaskets for pipe flanges—Part 2: Class designated
2022-10-12
UNE-EN 1759-1-2005
Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated- Part 1: Steel flanges, NPS 1/2 to 24.
法兰及其接头 管道、阀门、配件和附件用指定等级的圆形法兰.第1部分:NPS 1/2至24的钢法兰
2005-06-29
DIN EN 1759-1
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24
法兰及其接头.管道、阀门、配件和附件用指定等级的圆形法兰.第1部分:NPS 1/2至24的钢法兰；德文版EN 1759-1:2004
2005-02-01
GB/T 9126.2-2023
管法兰用非金属平垫片 第2部分：Class系列
Non-metallic flat gaskets for pipe flanges—Part 2：Class designated
2023-09-07
GB/T 19675.2-2023
管法兰用柔性石墨复合增强垫片 第2部分：Class系列
Reinforced flexible graphite gaskets for pipe flanges—Part 2: Class designated
2023-09-07
BS EN 1759-1-2004
Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, class-designated-Steel flanges, NPS 1/2 to 24
法兰及其接头 指定等级的管道、阀门、配件和附件用圆形法兰
2004-11-30
HG/T 20635-2009
钢制管法兰、垫片、紧固件选配规定(Class系列)
Specification for selection of steel pipe flanges,gaskets and bolting (Class designated)
2009-02-05
HG/T 20631-2009
钢制管法兰缠绕式垫片(Class系列)
Spiral wound gaskets for use with steel pipe flanges (Class designated)
2009-02-05
HG/T 20630-2009
钢制管法兰金属包覆垫片(Class系列)
Metal jacketed gaskets for use with steel pipe flanges (Class designated)
2009-02-05
HG/T 20628-2009
钢制管法兰聚四氟乙烯包覆垫片(Class系列)
PTFE envelope gaskets for use with steel pipe flanges (Class designated)
2009-02-05
UNE-EN 12560-2-2001
Flanges and their joints. Gaskets for Class-designated flanges. Part 2: Spiral wound gaskets for use with steel flanges.
法兰及其接头 用于指定等级法兰的垫圈 第2部分:钢法兰用缠绕垫圈
2001-11-22
GB/T 39245.2-2020
管法兰用金属齿形组合垫片 第2部分：Class 系列
Grooved metal gaskets with covering layers for pipe flanges—Part 2：Class designated
2020-11-19
HG/T 20633-2009
钢制管法兰用金属环形垫(Class系列)
Metallic ring joint gaskets for use with steel pipe flanges (Class designated)
2009-02-05