焊颈法兰 meaning in English

welding neck flange

Welding neck flanges ; nominal pressure 320
焊颈法兰.标称压力320
Welding neck flanges ; nominal pressure 160
焊颈法兰.标称压力160
Welding neck flanges , nominal pressure 400
焊颈法兰.标称压力400
Welding neck flanges ; nominal pressure 250
焊颈法兰.标称压力250
Welding neck flanges for pressure vessels and process apparatus of non - alloy steel
非合金钢制压力容器和加工装置用焊颈法兰