Solenoid Valve Introduction

How to select Solenoid Valve (Chinese Only)

by KSD

電磁閥用途廣泛,為配合各種用途,有各種的形式,種類繁多,價位從機十元到機千元都有,在此加予介紹,希有助於大家的選用.
有很多人將電磁閥(Solenoid valve)與電螺管(Solenoid俗稱電磁吸鐵)搞混,兩種工作原理一樣,都是把電能透過線圈產生磁力,吸引可動鐵(plunger)作前後往復運動,而電磁閥是利用此往復運動對管路作開關動作,而電螺管無其他功能,兩者除少數外,大部份線圈結構都不同.
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Solenoid Valve Information

by KSD

2/2 Solenoid Valve is used on automatic switch of piping, and it is for controlling the fluid on and off. Please consider as the following when you make the choice:

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Installation

by KSD

The pipe and thread should be clean and please note the following points.
1. The direct-acting valves can be installed with any position. Unless the air is clean, we suggest keeping coil upwards for avoiding fluid or debris in plunger tube that could lead to side effects.
2. The diaphragm valves should be installed with coil upwards. Otherwise the valve would be unstable.

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Seal

by KSD

Seal Materials (We Use)
BUNA-N (NBR, Acrylnitrile butadiene india rubber)
The material is for general use. It is widely used in air, water, oil (w/o additives). The service temperature range is from -10℃ ∼ +90℃.
FKM (VITON, Fluoride india rubber)
It is used in hydrocarbon liquids such as gasoline, solvents, etc. Please confirm the availability before the usage. The service temperature range is from - 20℃ ∼ +180℃ (The steam is not recommended.)

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Reference for Seal Material

by KSD

Seal material reference table

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