gas flow indicator|HA-2RGRN65N|mass flow meter

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2. Abbreviations for valves such as rov and bv, can someone provide me with a systematic copy?

Angle Stop Valve Angle Throttle Valve Angle Type Globe Valve Butterfly Type Non slam Check Butterfly Valves with Gear Actuator Worm Gear Transmission Butterfly Valve Two way CQ Thread Ball Valve CQ Thread Ball Valve Diaphragm Valve Double Disc Flat Gate Valve Double Disk Parallel Gate Valve Double Disk Parallel Gate Valve Open Rod Parallel Double Gate Valve Double Opening Exhaust Electric Activated Stop Valve Electric Activated Wedge Gate Valve Electric Double Disk Parallel Gate Valve Electric Parallel Gate Valve Emergency Cut off

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