701 GB/T 9116.12-1988 PN 2.5MPa(25 bar) 凹凸面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with male and female face for PN 2.5MPa (25 bar)
702 GB/T 9116.13-1988 PN 4.0MPa(40 bar) 凹凸面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with male and female face for PN 4.0MPa (40 bar)
703 GB/T 9116.14-1988 PN 5.0MPa(50 bar) 凹凸面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with male and female face for PN 5.0MPa (50 bar)
704 GB/T 9116.15-1988 PN 10.0MPa(100 bar) 凹凸面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with male and female face for PN 10.OMPa (100 bar)
705 GB/T 9116.16-1988 PN 1.6MPa(16 bar) 榫槽面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 1.6MPa (16 bar)
706 GB/T 9116.17-1988 PN 2.5MPa(25 bar) 榫槽面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN2.5MPa (25 bar)
707 GB/T 9116.18-1988 PN 4.0MPa(40 bar) 榫槽面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 4.0MPa (40 bar)
708 GB/T 9116.19-1988 PN 5.0MPa(50 bar) 榫槽面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 5.0MPa (50 bar)
709 GB/T 9116.20-1988 PN 10.0MPa(100 bar) 榫槽面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 10.0MPa (100 bar)
710 GB/T 9116.21-1988 PN 2.0MPa(20 bar) 环连接面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 2.0MPa (20 bar)
711 GB/T 9116.22-1988 PN 5.0MPa(50 bar) 环连接面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 5.0MPa (50 bar)
712 GB/T 9116.23-1988 PN 10.0MPa(100 bar) 环连接面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 10.0MPa (100 bar)
713 GB/T 9116.24-1988 PN 15.0MPa(150 bar) 环连接面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 15.0MPa (150 bar)
714 GB/T 9116.25-1988 PN 25.0MPa(250 bar) 环连接面带颈平焊钢制管法兰 Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 25.0MPa (250 bar)
715 GB/T 9117.1-1988 PN 2.0MPa(20 bar) 平面带颈承插焊钢制管法兰 Hubbed socked welding steel pipe flanges with flat face for PN 2.0MPa (20 bar)
716 GB/T 9117.2-1988 PN 2.0MPa(20 bar) 凸面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with raised face for PN 2.0MPa (20 bar)
717 GB/T 9117.3-1988 PN 5.0MPa(50 bar) 凸面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with raised face for PN 5.0MPa (50 bar)
718 GB/T 9117.4-1988 PN 10.0MPa(100 bar) 凸面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with raised face for PN 10.0MPa (100 bar)
719 GB/T 9117.5-1988 PN 5.0MPa(50 bar) 凹凸面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with male and female face for PN 5.0MPa (50 bar)
720 GB/T 9117.6-1988 PN 10.0MPa(100 bar) 凹凸面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with male and female face for PN 10.0MPa (100 bar)
721 GB/T 9117.7-1988 PN 5.0MPa(50 bar) 榫槽面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with tongue and groove face for PN 5.0MPa (50 bar)
722 GB/T 9117.8-1988 PN 10.0MPa(100 bar) 榫槽面带颈承插焊钢制管法兰 Hubbed socket welding steel pipe flanges with tongue and groove face for PN 10.0MPa (100 bar)
723 GB/T 9118.1-1988 PN 2.0MPa(20 bar) 凸面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with raised face for PN 2.0MPa (20 bar)
724 GB/T 9118.2-1988 PN 5.0MPa(50 bar) 凸面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with raised face for PN 5.0MPa (50 bar)
725 GB/T 9118.3-1988 PN 2.0MPa(20 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 2.0MPa (20 bar)
726 GB/T 9118.4-1988 PN 5.0MPa(50 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 5.0MPa (50 bar)
727 GB/T 9118.5-1988 PN 10.0MPa(100 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 10.0MPa (100 bar)
728 GB/T 9118.6-1988 PN 15.0MPa(150 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 15.0MPa (150 bar)
729 GB/T 9118.7-1988 PN 25.0MPa(250 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 25.0MPa (250 bar)
730 GB/T 9118.8-1988 PN 42.0MPa(420 bar) 环连接面对焊环松套带颈钢制管法兰 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face for PN 42.0MPa (420 bar)
731 GB/T 9119.1-1988 PN 0.25MPa(2.5 bar) 平面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with flat face for PN 0.25MPa (2.5 bar)
732 GB/T 9119.2-1988 PN 0.6MPa(6 bar)平面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with flat face for PN 0.6MPa (6 bar)
733 GB/T 9119.3-1988 PN 1.0MPa(10 bar) 平面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with flat face for PN 1.0MPa (10 bar)
734 GB/T 9119.4-1988 PN 1.6MPa(16 bar) 平面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with flat face for PN 1.6MPa (16 bar)
735 GB/T 9119.5-1988 PN 0.25MPa(2.5 bar) 凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with raised face for PN 0.25MPa (2.5 bar)
736 GB/T 9119.6-1988 PN 0.6MPa(6 bar)凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with raised face for PN 0.6MPa (6 bar)
737 GB/T 9119.7-1988 PN1.0MPa(10 bar) 凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with raised face for PN 1.0MPa (10 bar)
738 GB/T 9119.8-1988 PN 1.6MPa(16 bar) 凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with raised face for PN 1.6MPa (16 bar)
739 GB/T 9119.9-1988 PN 2.5MPa(25 bar) 凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with raised face for PN 2.5MPa (25 bar)
740 GB/T 9119.10-1988 PN 4.0MPa(40 bar) 凸面板式平焊钢制管法兰 Slip-on welding plate steel pipe flanges with reised face for PN 4.0MPa (40 bar)
741 GB/T 9120.1-1988 PN 2.5MPa(25 bar) 凸面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with raised face for PN 2.5MPa (25 bar)
742 GB/T 9120.2-1988 PN 4.0MPa(40 bar) 凸面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with raised face for PN 4.0MPa (40 bar)
743 GB/T 9120.3-1988 PN 2.5MPa(25 bar) 凹凸面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with male and female face for PN2.5MPa (25 bar)
744 GB/T 9120.4-1988 PN 4.0MPa(40 bar) 凹凸面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with male and female face for PN 4.0MPa (40 bar)
745 GB/T 9120.5-1988 PN 2.5MPa(25 bar) 榫槽面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with tongue and groove face for PN 2.5MPa (25 bar)
746 GB/T 9120.6-1988 PN 4.0MPa(40 bar) 榫槽面对焊环松套板式钢制管法兰 Loose plate steel pipe flanges with welding neck collar with tongue ans groove face for PN 40MPa (40 bar)
747 GB/T 9121.1-1988 PN 0.6MPa(6 bar)凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weld-on-collar with raised face for PN 0.6MPa (6 bar)
748 GB/T 9121.2-1988 PN 1.0MPa(10 bar) 凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.0MPa (10 bar)
749 GB/T 9121.3-1988 PN 1.6MPa(16 bar) 凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.6MPa (16 bar)
750 GB/T 9121.4-1988 PN 2.5MPa(25 bar) 凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weid-on collar with raised face for PN 2.5MPa (25 bar)