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
SH/T 3407-2013
石油化工钢制管法兰用缠绕式垫片
Spiral wound gaskets for steel pipe flanges in petrochemical industry
2013-10-17
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
T/ZZB 3069-2023
管法兰用柔性石墨金属缠绕垫片
2023-06-30
GB/T 13403-2023
大直径钢制管法兰用垫片
Gaskets for large-diameter steel pipe flanges
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
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
T/WZBF 003-2019
钢制阀门用缠绕式垫片
2019-09-08
JB/T 90-2015
管路法兰用缠绕式垫片
Spiral wound gaskets for pipe flanges
2015-10-10
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 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
SH/T 3401-2013
石油化工钢制管法兰用非金属平垫片
Nonmetallic flat gaskets for steel pipe flanges in petrochemical industry
2013-10-17
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
SH/T 3402-2013
石油化工钢制管法兰用聚四氟乙烯包覆垫片
Polytetrafluoroethylene envelope gaskets for steel pipe flanges in petrochemical industry
2013-10-17