Installation methods for coaxial valves (with pilot solenoid valve/sensor)

Sep 13,2023

Installation of a two-way coaxial valve without a pilot solenoid valve (Figure 1)

Coaxial valve products are standardly equipped with a pilot solenoid valve. Due to different operating conditions, there may be situations where the pilot solenoid valve is remotely controlled or installed in a centralized manifold. A pipe connection is needed between the pilot solenoid valve and the coaxial valve body. The coaxial valve body is equipped with pneumatic ports 2 and 4. Pneumatic port 2 connects to port 2 of the pilot solenoid valve, and pneumatic port 4 connects to port 4 of the pilot solenoid valve. The connecting pipe and fittings can be selected as needed. If the coaxial valve is required to open in case of power failure, the above connections should be swapped.

Installation of a two-way coaxial valve with a pilot solenoid valve (Figure 2)

Coaxial valve products are standardly equipped with a pilot solenoid valve. The default voltage of the pilot solenoid valve is DC24V, and the default electrical connector is DIN43650(EN175301-803) type B. The pneumatic port of the pilot solenoid valve (default G1/4) is connected to the air source.

Installation of a three-way coaxial valve without a pilot solenoid valve (Figure 3)

Installation of a three-way coaxial valve with a pilot solenoid valve (Figure 4)

Coaxial valve products are standardly equipped with a pilot solenoid valve. The default voltage of the pilot solenoid valve is DC24V, and the default electrical connector is DIN43650/EN175301-803 type B. The pneumatic port of the pilot solenoid valve (default G1/4) is connected to the air source.

Installation of a two-way coaxial valve with flange connection (Figure 5-1, 5-2)

Different flange connections can be selected according to different operating conditions. The default flange standard is HG/T 20592-2009. The pneumatic control method is shown in the above specifications.

Installation of a three-way coaxial valve with flange connection (Figure 6-1, 6-2)

Installation of proximity switch (inductive sensor) (Figure 7, Figure 8 )

Proximity switches are optionally installed in coaxial valve products as required by the customer. When the coaxial valve is open, the indicator light of proximity switch 2 is off, and the indicator light of proximity switch 1 is on. When the coaxial valve is closed, the indicator light of proximity switch 2 is on, and the indicator light of proximity switch 1 is off. The installation and wiring methods are shown below:

Appendix: Wiring diagram of two commonly used specifications of proximity switches, as shown in Figure (8). For other specifications, please contact the manufacturer.

Installation of magnetic switch (Figure 9, Figure 10 )

Magnetic switches are optionally installed in coaxial valve products as required by the customer. When the coaxial valve is open, the indicator light of magnetic switch 2 is off, and the indicator light of magnetic switch 1 is on. When the coaxial valve is closed, the indicator light of magnetic switch 2 is on, and the indicator light of magnetic switch 1 is off. The installation and wiring methods are shown below:

Appendix: Wiring diagram of commonly used specifications of magnetic switches, as shown in Figure (10). For other specifications, please contact the manufacturer.