Pipe flange and accessories standards gb / t9113 ~ gb9124--2000 Flange standard gb / t9113.1 ~ gb / t9113.26-1988 Overall steel pipe flange (1.6 ~ 42.0mpa) gb / t9113.1 ~ .2 The overall steel pipe flange (plane) (1.6 ~ 2.0mpa) [Buy] fire pump, spray pump, sewage pump [Buy] Bearing Accessories [Purchase] air lock valve [Buy] signal amplifier [Purchase] valve [Procurement] Centrifugal pump [Buy] vertical multi-stage pump [Procurement] fuel tank [Procurement] Speed ​​?? Frequency Control Motor Previous: Introduction of the type and selection of the valve Next: ansi pressure temperature scale
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