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US PARKER solenoid valve works

Release Date: November 23, 2017

1. The working principle of Parker solenoid valve:

The electromagnetic valves at home and abroad are divided into three categories in principle (that is, direct-acting, stepped direct-acting, and pilot-operated), and the valve disc structure and material are different from the principle into six. Sub-categories (direct-acting diaphragm structure, step-by-step multi-piece structure, pilot-diaphragm structure, direct-acting piston structure, step-wise direct-acting piston structure, pilot-piston structure).

2. Classification and its characteristics

Parker solenoid valve direct-acting solenoid valve:

Principle: When energized, the electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, and the valve opens; when the power is off, the electromagnetic force disappears, the spring presses the closing member on the valve seat, and the valve closes.

Features: It can work normally under vacuum, negative pressure and zero pressure, but the diameter is generally not more than 25mm.