... valve lever leakage steam system 门杆漏汽系统 VALVE LEAKAGE CLASS 阀门泄漏等级 intake valve leakage 进气门漏气 ...
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valve leakage class
阀门泄漏等级
以上为机器翻译结果，长、整句建议使用 人工翻译 。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
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