1. According to the internal diameter of the two-way tube (such as the device tube is 3/4 ", optional 1-1 / 2" -3/4 ")

2. According to the delivery of the size of the pipe diameter

3. According to the imitation of the specifications of the model parameters, calculate the flow selection

4. Quick connector part of the thread connection and flange connection, such as the use of equipment has always been rotated in one direction, you can choose the threaded connection or flange connection, the outer thread of the left and right rotation, select the method: standing in the direction of quick connector Look at the rotation of the device, select the outer tube thread rotation should be the opposite of the rotation of the equipment, half-size flange can be rotated around. Flange connection is divided into two types: threaded flange (outer tube with internal thread flange) and semi-split ring flange, semi-split flange to adapt to the right, left direction rotation equipment. The relevant parameters of the flange are generally provided by the user, or marked by the national standard production.

5. Quick connector and the transmission pipe does not agree to the steel connection, there must be a soft tube transition connection.