Min. Order:  
1 Set
                Price:  
US$ 1
                 Place of origin:  
China
                 Price Condition:  
FOB Qingtao
                 Supply Ability:  
500 sets/month
                 
            Fix the measurement and working platform.
3, Connect well with the inlet pipe, and copper tube with two position four-way valve to make sure all joints will not be leaking.
4, if the rotameter is not well, adjust it and make it vertical.
5, It must have enough space when installed, which is convenient for using and mending.
Maintenance and attention
1, the seal element of two position four-way va
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