1.
Loose plate steel pipe flanges with weld-on-collar with raised face for PN 0.6MPa (6 bar)
GB/T9121.1-1988PN0.6MPa(6bar)凸面平焊环松套板式钢制管法兰
2.
Loose plate steel pipe flanges with weid-on collar with raised face for PN 2.5MPa (25 bar)
GB/T9121.4-1988PN2.5MPa(25bar)凸面平焊环松套板式钢制管法兰
3.
Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.0MPa (10 bar)
GB/T9121.2-1988PN1.0MPa(10bar)凸面平焊环松套板式钢制管法兰
4.
Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.6MPa (16 bar)
GB/T9121.3-1988PN1.6MPa(16bar)凸面平焊环松套板式钢制管法兰
5.
Loose plate steel pipe flanges with welding neck collar with raised face for PN 2.5MPa (25 bar)
GB/T9120.1-1988PN2.5MPa(25bar)凸面对焊环松套板式钢制管法兰
6.
Loose plate steel pipe flanges with welding neck collar with raised face for PN 4.0MPa (40 bar)
GB/T9120.2-1988PN4.0MPa(40bar)凸面对焊环松套板式钢制管法兰
7.
Slip-on welding plate steel pipe flanges with raised face for PN 0.25MPa (2.5 bar)
GB/T9119.5-1988PN0.25MPa(2.5bar)凸面板式平焊钢制管法兰
8.
Slip-on welding plate steel pipe flanges with raised face for PN 1.0MPa (10 bar)
GB/T9119.7-1988PN1.0MPa(10bar)凸面板式平焊钢制管法兰
9.
Slip-on welding plate steel pipe flanges with raised face for PN 1.6MPa (16 bar)
GB/T9119.8-1988PN1.6MPa(16bar)凸面板式平焊钢制管法兰
10.
Slip-on welding plate steel pipe flanges with raised face for PN 2.5MPa (25 bar)
GB/T9119.9-1988PN2.5MPa(25bar)凸面板式平焊钢制管法兰
11.
Slip-on welding plate steel pipe flanges with raised face for PN 0.6MPa (6 bar)
GB/T9119.6-1988PN0.6MPa(6bar)凸面板式平焊钢制管法兰
12.
Slip-on welding plate steel pipe flanges with reised face for PN 4.0MPa (40 bar)
GB/T9119.10-1988PN4.0MPa(40bar)凸面板式平焊钢制管法兰
13.
Loose hubbed steel pipe flanges with welding neck collar with raised face for PN 5.0MPa (50 bar)
GB/T9118.2-1988PN5.0MPa(50bar)凸面对焊环松套带颈钢制管法兰
14.
Loose hubbed steel pipe flanges with welding neck collar with raised face for PN 2.0MPa (20 bar)
GB/T9118.1-1988PN2.0MPa(20bar)凸面对焊环松套带颈钢制管法兰
15.
Loose plate steel flanges with copper alloy plate collar for brazing or welding
GB/T15530.5-1995铜合金平焊环松套板式钢法兰
16.
Loose plate steel flanges with copper alloy welding neck collar
GB/T15530.6-1995铜合金对焊环松套板式钢法兰
17.
Slip-on welding plate steel pipe flanges with flat face for PN 0.6MPa (6 bar)
GB/T9119.2-1988PN0.6MPa(6bar)平面板式平焊钢制管法兰
18.
Slip-on welding plate steel pipe flanges with flat face for PN 1.0MPa (10 bar)
GB/T9119.3-1988PN1.0MPa(10bar)平面板式平焊钢制管法兰