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751 GB/T 9121.5-1988 PN 1.6MPa(16 bar) 凹凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weld-on collar with male and female face for PN 1.6MPa (16 bar)
752 GB/T 9121.6-1988 PN 2.5MPa(25 bar) 凹凸面平焊环松套板式钢制管法兰 Loose plate steel pipe flanges with weld-on collar with male and female face for PN 2.5MPa (25 bar)
753 GB/T 9122.1-1988 PN 0.6MPa(6 bar)板式翻边松套钢制管法兰 Loose plate steel pipe flanges with lapped pipe end for PN 0.6MPa (6 bar)
754 GB/T 9122.2-1988 PN 1.0MPa(10 bar) 板式翻边松套钢制管法兰 Loose plate steel pipe flanges with lapped pipe end for PN 1.0MPa (10 bar)
755 GB/T 9123.1-1988 PN 0.25MPa(2.5 bar) 平面钢制管法兰盖 Steel pipe blank flanges with flat face for PN 0.25MPa (2.5 bar)
756 GB/T 9123.2-1988 PN 0.6MPa(6 bar)平面钢制管法兰盖 Steel pipe blank flanges with flat face for PN 0.6MPa (6 bar)
757 GB/T 9123.3-1988 PN 1.0MPa(10 bar) 平面钢制管法兰盖 Steel pipe blank flanges with flat face for PN 1.0MPa (10 bar)
758 GB/T 9123.4-1988 PN 1.6MPa(16 bar) 平面钢制管法兰盖 Steel pipe blank flanges with flat face for PN 1.6MPa (16 bar)
759 GB/T 9123.5-1988 PN 2.0MPa(20 bar) 平面钢制管法兰盖 Steel pipe blank flanges with flat face for PN 2.0MPa (20 bar)
760 GB/T 9123.6-1988 PN 0.25MPa(2.5 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 0.25MPa (25 bar)
761 GB/T 9123.7-1988 PN 0.6MPa(6 bar)凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 0.6MPa (6 bar)
762 GB/T 9123.8-1988 PN 1.0MPa(10 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 1.0MPa (10 bar)
763 GB/T 9123.9-1988 PN 1.6MPa(16 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 1.6MPa (16 bar)
764 GB/T 9123.10-1988 PN 2.5MPa(25 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 2.5MPa (25 bar)
765 GB/T 9123.11-1988 PN 4.0MPa(40 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 4.0MPa (40 bar)
766 GB/T 9123.12-1988 PN 2.0MPa(20 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face PN 2.0MPa (20 bar)767 GB/T 9123.13-1988 PN 5.0MPa(50 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 5.0MPa (50 bar)
768 GB/T 9123.14-1988 PN 10.0MPa(100 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 10.0MPa (100 bar)
769 GB/T 9123.15-1988 PN 15.0MPa(150 bar) 凸面钢制管法兰盖 Steel pipe blank flanges raised face for PN 15.0MPa (150 bar)
770 GB/T 9123.16-1988 PN 25.0MPa(250 bar) 凸面钢制管法兰盖 Steel pipe blank flanges with raised face for PN 25.0MPa (250 bar)
771 GB/T 9123.17-1988 PN 1.6MPa(16 bar) 凹凸面钢制管法兰盖 Steel pipe blank fanges with male and female face for PN 1.6MPa (16 bar)
772 GB/T 9123.18-1988 PN 2.5MPa(25 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 2.5MPa (25 bar)
773 GB/T 9123.19-1988 PN 4.0MPa(40 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 4.0MPa (40 bar)
774 GB/T 9123.20-1988 PN 5.0MPa(50 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 5.0MPa (50 bar)
775 GB/T 9123.21-1988 PN 10.0MPa(100 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 10.0MPa (100 bar)
776 GB/T 9123.22-1988 PN 15.0MPa(150 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 15.0MPa (150 bar)
777 GB/T 9123.23-1988 PN 25.0MPa(250 bar) 凹凸面钢制管法兰盖 Steel pipe blank flanges with male and female face for PN 25.0MPa (250 bar)
778 GB/T 9123.24-1988 PN 1.6MPa(16 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 1.6MPa (16 bar)
779 GB/T 9123.25-1988 PN 2.5MPa(25 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tonges and groove face for PN 2.5MPa (25 bar)
780 GB/T 9123.26-1988 PN 4.0MPa(40 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 4.0MPa (40 bar)
781 GB/T 9123.27-1988 PN 5.0MPa(50 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 5.0MPa (50 bar)
782 GB/T 9123.28-1988 PN 10.0MPa(100 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 10.0MPa (100 bar)
783 GB/T 9123.29-1988 PN 15.0MPa(150 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 15.0MPa (150 bar)
784 GB/T 9123.30-1988 PN 25.0MPa(250 bar) 榫槽面钢制管法兰盖 Steel pipe blank flanges with tongue and groove face for PN 25.0MPa (250 bar)
785 GB/T 9123.31-1988 PN 2.0MPa(20 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 2.0MPa (20 bar)
786 GB/T 9123.32-1988 PN 5.0MPa(50 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 5.0MPa (50 bar)
787 GB/T 9123.33-1988 PN 10.0MPa(100 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 10.0MPa (100 bar)
788 GB/T 9123.34-1988 PN 15.0MPa(150 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 15.0MPa (150 bar)
789 GB/T 9123.35-1988 PN 25.0MPa(250 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 25.0MPa (250 bar)
790 GB/T 9123.36-1988 PN 42.0MPa(420 bar) 环连接面钢制管法兰盖 Steel pipe blank flanges with ring-joint face for PN 42.0MPa (420 bar)
791 GB/T 9124-1988 钢制管法兰对焊端部 Butt-welding ends for steel pipe flanges
792 GB/T 9125-1988 钢制管法兰技术条件 Specification for steel pipe flanges
793 GB/T 9126.1-1988 平面型钢制管法兰用石棉橡胶垫片 Asbestos rubber gaskets for steel pipe flanges with full face
794 GB/T 9126.2-1988 凸面型钢制管法兰用石棉橡胶垫片 Asbestos rubber gaskets for steel pipe flanges with raised face
795 GB/T 9126.3-1988 凹凸面型钢制管法兰用石棉橡胶垫片 Asbestos rubber gaskets for steel pipe flanges with male and female face
796 GB/T 9126.4-1988 榫槽面型钢制管法兰用石棉橡胶垫片 Asbestos rubber gaskets for steel pipe flanges with tongue and groove face
797 GB/T 9128.1-1988 钢制管法兰连接用八角形金属环垫 Octagonal metallic ring gaskets for steel pipe flanges joints
798 GB/T 9128.2-1988 钢制管法兰连接用椭圆形金属环垫 Oval metallic ring gaskets for steel pipe flange joints
799 GB/T 9129-1988 钢制管法兰用石棉橡胶垫片技术条件 Specification for asbestos rubber gaskets for steel pipe flanges
800 GB/T 9130-1988 钢制管法兰连接用金属环垫技术条件 Specification for metallic ring gaskets for steel pipe flange joints
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801 GB/T 9131-1988 钢制管法兰压力温度等级 Pressure-temperature ratings for steel pipe flanges
802 GB/T 9149-1988 磁粉离合器通用技术条件 General specification for magnetic particle clutch
803 GB/T 9150-1988 带座外球面球轴承 分类 Bearing units—Classification
804 GB/T 9161-1988 杆端关节轴承 外形尺寸 Spherical plain bearing rod ends—Boundary dimensions
805 GB/T 9162-1990 推力关节轴承外形尺寸 Spherical plain thrust bearings—Boundary dimensions
806 GB/T 9163-1990 向心关节轴承外形尺寸 Spherical plain radial bearings, joint type—Boundary dimensions
807 GB/T 9164-1990 角接触关节轴承外形尺寸 Angular contact spherical plain bearings—Boundary dimensions
808 GB/T 9456-1988 十字槽凹穴六角自攻螺钉 Cross recessed hexagon head tapping screws with indentation
809 GB/T 9457-1988 1 型六角开槽螺母 细牙 A和B级 Hexagon slotted and castle nuts, style l--Fine pitch thread--Product grades A and B
810 GB/T 9458-1988 2 型六角开槽螺母 细牙 A和B级 Hexagon slotted and castle nuts, style 2--Fine pitch thread--Product grades A and B
811 GB/T 9459-1988 六角开槽薄螺母 细牙 A和B级 Hexagon thin slotted nuts--Fine pitch thread--Product grades A and B
812 GB/T 9785 | 
