Hubbed socket welding steel pipe flanges with male and female face for PN 5.0MPa (50 bar)
GB/T9117.5-1988PN5.0MPa(50bar)凹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)
GB/T9117.4-1988PN10.0MPa(100bar)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)
GB/T9117.2-1988PN2.0MPa(20bar)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)
GB/T9117.3-1988PN5.0MPa(50bar)凸面带颈承插焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with male and female face for PN 5.0MPa (50 bar)
GB/T9116.14-1988PN5.0MPa(50bar)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)
GB/T9116.12-1988PN2.5MPa(25bar)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)
GB/T9116.13-1988PN4.0MPa(40bar)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 1.6MPa (16 bar)
GB/T9116.11-1988PN1.6MPa(16bar)凹凸面带颈平焊钢制管法兰
Hubbed socked welding steel pipe flanges with flat face for PN 2.0MPa (20 bar)
GB/T9117.1-1988PN2.0MPa(20bar)平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)
GB/T9117.7-1988PN5.0MPa(50bar)榫槽面带颈承插焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 1.6MPa (16 bar)
GB/T9116.5-1988PN1.6MPa(16bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 10.0MPa (100 bar)
GB/T9116.10-1988PN10.0MPa(100bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 2.0MPa (20 bar)
GB/T9116.8-1988PN2.0MPa(20bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 2.5MPa (25 bar)
GB/T9116.6-1988PN2.5MPa(25bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 1.0MPa (10 bar)
GB/T9116.4-1988PN1.0MPa(10bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 5.0MPa (50 bar)
GB/T9116.9-1988PN5.0MPa(50bar)凸面带颈平焊钢制管法兰
Hubbed slip-on-welding steel pipe flanges with raised face for PN 4.0MPa (40 bar)
GB/T9116.7-1988PN4.0MPa(40bar)凸面带颈平焊钢制管法兰
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
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