Valve connection type: UPVC ball valve - double union connection
The choice of connection mode between valve and pipeline is correct and appropriate, which will directly affect the probability of pipe valve running, dripping and leaking.So it is necessary to choose the right connection mode.
Recently a lot of customers are asking what is a double - union connection? Now we will explain what is double - union connection.
Flange connection, clamp connection, screw connection are several kinds of connection type of common valve, double-union connection is mostly used on PVC ball valve.Double-union means flexible connector , that is, the two ends of the valve are connected with a flexible connector.Dis-assembly is very convenient, if you want to replace the valve body, just unscrew the pipe connection replacement, do not need to replace the pipe connection and connection cap at the same time.(see figure 1-1)
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