For your safetyit is important the following precautions be taken prior to removal of the valve from the pipeline or before any disassembly:
1、Wear any protective clothing or equipment normally required when working with the fluid involved.
2、Depressurize the pipeline and cycle the valve as follows:
2.1、Place the valve in the open position and drain the pipeline.
2.2、Cycle the valve to relieve residual pressure in the body cavity before removal form the pipeline.
2.3、After emoval and before any disassembly,cycle the valve again several times.
If you require additional assistance,please contact the manufacturer or manufacturer's representative.