Стандарты CNIS

CNIS GB/T 9123.34-88 Steel pipe blank flanges with ring-joint face for PN 15.0MPa (150 bar) CNIS GB/T 9118.6-88 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face f... CNIS GB/T 9115.29-88 Steel pipe welding neck flanges with tongue and groove face for PN 15.0MPa (150... CNIS GB/T 9123.3-88 Steel pipe blank flanges with flat face for PN 1.0MPa (10 bar) CNIS GB/T 9117.5-88 Hubbed socket welding steel pipe flanges with male and female for PN 5.0MPa (50... CNIS GB/T 9121.3-88 Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.6M... CNIS GB/T 9123.28-88 Steel pipe blank flanges with tongue and groove face for PN 10.0MPa (100 bar) CNIS GB/T 9116.20-88 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 10... CNIS GB/T 9114.3-88 Hubbed screwed steel pipe flanges with raised face for PN 2.5MP (25 bar) CNIS GB/T 9116.3-88 Hubbed slip-on-welding steel pipe flanges with flat face for PN 2.0MPa (20 bar) CNIS GB/T 9115.31-88 Steel pipe welding neck flanges with ring-joint face for PN 2.0MPa (20 bar) CNIS GB/T 9117.1-88 Hubbed socked welding steel pipe flanges with flat face for PN 2.0MPa (20 bar) CNIS GB/T 9113.11-88 Integral steel pipe flanges with male and female face for PN 4.0MPa (40 bar) CNIS GB/T 9115.4-88 Steel pipe welding neck flanges with flatface for PN1.0MPa (10 bar) CNIS GB/T 9123.26-88 Steel pipe blank flanges with tongue and groove face for PN 4.0MPa (40 bar) CNIS GB/T 9115.2-88 Steel pipe welding neck flanges with flat face for PN 0.6MPa (6 bar) CNIS GB/T 9123.5-88 Steel pipe blank flanges with flat face for PN 2.0MPa (20 bar) CNIS GB/T 9120.6-88 Loose plate steel pipe flanges with welding neck collar with tongue ans groove ... CNIS GB/T 9119.8-88 Slip-on welding plate steel pipe flanges with raised face for PN 1.6MPa (16 bar... CNIS GB/T 9115.21-88 Steel pipe welding neck flanges with male and female face for PN 10.0MPa (100 b... CNIS GB/T 9120.3-88 Loose plate steel pipe flanges with welding neck collar with male and female fa... CNIS GB/T 9113.13-88 Integral steel pipe flanges with male and female face for PN 10.0MPa (100 bar) CNIS GB/T 9123.12-88 Steel pipe blank flanges with raised face PN 2.0MPa (20 bar) CNIS GB/T 9115.3-88 Steel pipe welding neck flanges with flat face for PN1.0MPa (10 bar)