To manually exhaust steam boiler safety pneumatic valve must be regularly test operation

spring loaded on hot water boiler safe pneumatic valve can be manually open? Its security pneumatic valve technical personnel to answer is ok. But also can't open, generally with a wrench pneumatic valve, spring loaded safety is required when the device % of advanced safety pneumatic valve setting pressure, can be manually through ascension wrench open, release the pressure. To guarantee the safety of the pneumatic valve normally open, should do manual test regularly, avoid sealing surface rust cannot be opened.
security matters should be paid attention to in boiler operation of pneumatic valve:
( For all the year round operation of the boiler, should be check regularly, and the detection unit calibration certificate issued by relevant departments.
( For DongYun boiler, tested to check once a year.
( Find safety in the operation of the pneumatic valve failure ( Overpressure without action or not to jump the pressure often action, it is strictly prohibited to remove repair, should be replaced immediately qualified new security pneumatic valve.
( In order to guarantee the safe operation of the boiler, and the safety of the pneumatic valve pneumatic valve core and pneumatic seat for a long time not stick to action, must exhaust operation manual on a regular basis.
( After the check and adjust good security pneumatic valve shall not disassemble the seal or leveraged security of pneumatic valve positioning screw.