If the valve is normally closed, the plunger is lifted so that the seal (F) opens the orifice and allows the flow of the media through the valve.
This creates a magnetic attraction with the plunger, moving it and overcoming the spring (D) force. When current flows through the solenoid, the coil is energized and creates a magnetic field. In the de-energized state, a normally open valve is open and a normally closed valve is closed. At rest, it can be normally open (NO) or normally closed (NC).
A solenoid has an electromagnetically inductive coil (A) around an iron core at the center called the plunger (E). *Consult a chemical compatibility expert for correct seal and valve body material choice.Figure 2: Components of a solenoid valve coil (A) armature (B) shading ring (C) spring (D) plunger (E) seal (F) valve body (G)Ī solenoid valve consists of two main components: a solenoid and a valve body (G). This should not be mounted upside down, with the coil underneath the valve. This model can be mounted vertically or horizontally, and features a conveniently positioned arrow on the body to indication the direction of flow. Its response time is very low in fact, it acts in less than one second, making it a great choice for all types of applications. The top of the coil features a label that indicates the valve type and specifications. The coil head is fitted with a 5’’ wire lead that can easily be connected with your own choice of terminals. This specific valve has a 110 VAC coil with a voltage range that is -+ 10. The seal material is FKM or Viton Rubber. It can withstand pressure up to 145 psi (10 bar) and temperatures as low as 15☏ and as high as 250☏. The orifice size is 15mm and Cv value is 4.8. This Electric Solenoid Valve can handle low viscosity fluids below 20 cst. The port size is 3/8” inch female NPT threaded. The valve features a heavy duty, solid brass body that’s sure to last in the most strenuous projects. It works across various media such as hot water, air, gas, diesel fuel, Freon, weak acids and weak alkali. Taking the energy away from the valve will close it and stop the flow. Model BZW-10 of our brass valve line is a two-way, semi-direct lift valve with a normally closed operating position. This means that there are two ports in which media flows and the valve will open when energized to allow media to pass through.
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