WARNING: Safety valve warranty period is 24 months. Under the specified conditions, if
flexible sealing parts is used, the safety valve life expectancy is 24 to 36 months, if metal or
PIFE sealing components is used, the average life expectancy is 36 to 48 months. Visual
inspection is needed after that period, maintenance people should check the appearance of
the valve body and the operating environment. If the valve body is not obvious corrosion,
cracks, dirt, damage, then the valve can be used continually.Otherwise, please contact your
supplier for spare part.
Fig.11-1 Replacement of safety valve
11.18 Replacement of safety valve
Replace the safety valve as follows:
1) Reclaim the refrigerant completely in the system. Doing so requires professional staff and equipment;
2) Note to protect the tank coating. Avoid damage to coating from external force or high temperature when removing and
installing the safety valve;
3) Heat the sealant to screw off the safety valve. Note to protect the area where the screwing tool meets the tank body and avoid
damages to the tank coating;
4) If tank coating is damaged, repaint the damaged area.
liquid-vapor
separator
safety valve
54
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