1.
Integral steel pipe flanges with male and female face for PN 1.6MPa (16 bar)
GB/T9113.9-1988PN1.6MPa(16bar)凹凸面整体钢制管法兰
2.
Integral steel pipe flanges with male and female face for PN 10.0MPa (100 bar)
GB/T9113.13-1988PN10.0MPa(100bar)凹凸面整体钢制管法兰
3.
Integral steel pipe flanges with male and female face for PN 2.5MPa (25 bar)
GB/T9113.10-1988PN2.5MPa(25bar)凹凸面整体钢制管法兰
4.
Integral steel pipe flanges with male and female face for PN 4.0MPa (40 bar)
GB/T9113.11-1988PN4.0MPa(40bar)凹凸面整体钢制管法兰
5.
Integral steel pipe flanges with male and female face for PN 5.0MPa (50 bar)
GB/T9113.12-1988PN5.0MPa(50bar)凹凸面整体钢制管法兰
6.
Integral steel pipe flanges with male and female face for PN 25.0MPa (250 bar)
GB/T9113.15-1988PN25.0MPa(250bar)凹凸面整体钢制管法兰
7.
Integral steel pipe flanges with male and female face for PN 15.0 MPa (150 bar)
GB/T9113.14-1988PN15.0mpa(150bar)凹凸面整体钢制管法兰
8.
Integral steel pipe flanges with raised face for PN10.0MPa(100 bar)
GB/T9113.8-1988PN10.0MPa(100bar)凸面整体钢制管法兰
9.
Integral steel pipe flanges with raised face for PN1.6 MPa(16 bar)
GB/T9113.3-1988PN1.6mpa(16bar)凸面整体钢制管法兰
10.
Integral steel pipe flanges with raised face for PN2.5 MPa(25 bar)
GB/T9113.4-1988PN2.5mpa(25bar)凸面整体钢制管法兰
11.
Integral steel pipe flanges with raised face for PN4.0 MPa(40 bar)
GB/T9113.5-1988PN4.0mpa(40bar)凸面整体钢制管法兰
12.
Integral steel pipe flanges with raised face for PN5.0 MPa (50 bar)
GB/T9113.7-1988PN5.0mpa(50bar)凸面整体钢制管法兰
13.
Integral steel pipe flanges with raised face for PN2.0 MPa (20 bar)
GB/T9113.6-1988PN2.0mpa(20bar)凸面整体钢制管法兰
14.
Steel pipe blank flanges with male and female face for PN 4.0MPa (40 bar)
GB/T9123.19-1988PN4.0MPa(40bar)凹凸面钢制管法兰盖
15.
Steel pipe welding neck flanges with male and female face for PN 10.0MPa (100 bar)
GB/T9115.21-1988PN10.0MPa(100bar)凹凸面对焊钢制管法兰
16.
Steel pipe welding neck flanges with male and female face for PN 15.0MPa (150 bar)
GB/T9115.22-1988PN15.0MPa(150bar)凹凸面对焊钢制管法兰
17.
Steel pipe welding neck flanges with male and female face for PN 2.5MPa (25 bar)
GB/T9115.18-1988PN2.5MPa(25bar)凹凸面对焊钢制管法兰
18.
Steel pipe blank flanges with male and female face for PN 25.0MPa (250 bar)
GB/T9123.23-1988PN25.0MPa(250bar)凹凸面钢制管法兰盖