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GA49Y-40脉冲式安全阀

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上海南而阀门有限公司
2016-05-19 18:46:55
上海市
255

【简单介绍】

GA49Y-40脉冲式安全阀

【详细说明】

SKU:GA49Y-40 脉冲式安全阀

Description:

GA49H-4 DN25

Instruction

This valve is used for power plant boilers, pressure containers,pressure and temperature reducing device and other facilitie. It serves to prevent the pressure exceeding the highest allowable pressure value and ensure the safety of the device when working.

Structure briefing

1. The pressure of the disc is balanced through the lever and

heavy hammer and the valve is ensured seal by moving the postiton of heavy hammer and changing the weight of heavy hammer to reach the required set pressure

2. The sealed surface is made of Fe base stainless steel by over-laying welding. Through thermal treatment, the wear resistance and anti-erosion of disc is improved.

3. At the top of valve is equipped an electromagnet to open and another to close the valve. The actions of the mechanism and

the electric appliance are separate and will not affect each other.

Installation instruction

1. This valve shalll be used with main safety valve A49H-4

together.

2. Impulse sefety valve shall be installed vertically and the lever shall be kept level. The clearance from the lever to both sides of guide fork shall be even.

3.The pip eline shall be washed clean before installing imp- ulse safety valve.

4. A long distance between the leading pipe of the impulse safety valve and the inlet pipe of the main safety valve shall be kept. And the distance between the electric contact pressure meter and the inlet pipe of the main safety valve shall be no less than 5 times of the diameter of the inlet pipe, for feat that the validity of the meter and the impulse safety valve may be affected by the steam releasing process of the main safety valve.


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上海南而阀门有限公司

地址：上海市闵行区莘松路54号
邮编：201100
联系人：王富
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GA49Y-40脉冲式安全阀

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