Design features and application standards of pneumatic three way ball valve
Pneumatic three way ball valve can be divided into L pneumatic three way ball valve and T pneumatic three way ball valve. L pneumatic three way ball valve for medium flow direction switching, can make each other vertical two channels connected. Three way ball valve generally adopts two seat structure, also can be used according to user requirements four seat structure. Four three seat sealing valve has beautiful appearance, compact and reasonable structure, which not only enables media flow switch, also can make the three channels connected with each other, but also to turn off any channel, connected to the other two channels, control of media in the pipeline or shunt flexible confluence.
Application standards:
Design and manufacture: GB/T12237, ANSI B16.34, API 608
Structural length: GB/T12221, ASME B16.10, JIS B2002
Flange size: GB/T9113, ASME B16.5, JIS B2212/JIS B2214
Test and test: GB/T13927
Fire test: API 607 4th 1993
Wall thickness: ASME B16.34
Design characteristics:
Fireproof structure design
ISO 5211 platform design easy to install automatic switch device
Anti electrostatic device between valve stem and valve body
Design of explosion proof device for valve stem
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