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Self-Operated Nitrogen Sealed Control Valve (ZZDP)

Self-Operated Nitrogen Sealed Control Valve (ZZDP)

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Self-Operated Nitrogen Sealed Control Valve (ZZDP)

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Self-operated Nitrogen Sealed Control Valve(ZZDQ)
Summary:Summary:
Self - operated nitrogen sealed control valve is mainly composed of fast relief valve and self - operated micropressure control valve. It is mainly used to hold the top of the container to protect the gas.
 
Features:
The self-operated nitrogen sealed valve is characterized by energy saving, sensitive action, reliable operation, convenient operation and maintenance, etc. It is widely used in petroleum, chemical and other industries. The self - operated nitrogen seal valve does not require external energy. It can work without electricity and gas source, which is convenient, energy saving and cost reducing.

Working principle:
When the pressure in the storage tank rises to the set pressure, the fast relief valve opens quickly to relieve the excess pressure in the valve. When the pressure of the micropressure control valve decreases in the storage tank, open the valve and fill the valve with nitrogen. Since the micro-pressure control valve must be used under the pressure of 0.1mpa and the field pressure is high, the ZZYP pressure control valve must be installed to reduce the pressure below 0.1mpa before it can be used.
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