The solenoid valve is a very important component of water heaters, gas stoves and other equipment. It is mainly used to regulate direction, flow and speed of medium. If solenoid valve is damaged, problems can easily arise. when we adjust temperature and size.Feeling worse.
So, when buying, how do we evaluate whether solenoid valve is good or bad, and is there a problem with solenoid valve? Let me teach you~
How to tell if a solenoid valve is good or bad?First, connect solenoid valve to liquid, gas, and other media under pressure. The pressure value is average value of pressure range of solenoid valve, and then energize solenoid valve coil. If environment changes from on to off, or from off. on on If status changes, then solenoid valve is OK, otherwise there is a problem.
When using solenoid valves, common problems are mainly short circuit / open circuit of coil and problems with spool. Let's look at them separately below.
We are using a multimeter to measure on/off of solenoid valve and resistance value tends to zero or infinity, which means that there is a problem with coil, there is a short circuit/open circuit, and it needs to be replaced.
If measured resistance is usually tens of ohms, you can find another small screwdriver and place it next to metal rod in solenoid valve coil and then turn on power. If you feel a magnetic field, solenoid valve coil is good. Otherwise, it's bad.
When medium pressure through solenoid valve is normal, press red manual button of solenoid valve. If solenoid valve does not respond or coil is electromagnetically good, but solenoid valve does not move, this means valve core is broken.
In addition to problem with coil and spool, there may also be a problem with socket. If a problem occurs, you can test it separately to find out specific location of problem.
The above are questions about solenoid valves in this article, and I hope to answer your doubts. @百通Component Co., Ltd. has a complete MRO global purchasing system, providing a wide variety of different brand products, such as SMC solenoid valves, welcome to know~