Stainless steel needle valve in the closed position, the valve is still there inside the pressurized fluid prior to maintenance, lift the front line pressure valve in the open position Instrument manifolds and make repairs before disconnecting the power or gas supply service, the actuator and bracket must first check out on the next ball, after removing the pressure downstream pipeline has indeed only exploded assembly operation and care must be taken to prevent damage to the decomposition of the sealing surface again when the parts assembly, especially the non-metallic parts. Stainless steel needle valve seal reliable, simple structure, easy maintenance, regular spherical surface and seal in the closed state, the media can not easily be eroded, easy operation and maintenance for water,Double ferrule fitting solvents, acids, and natural gas work in general media, and Stainless steel needle valve is also suitable for harsh working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene, etc., in various sectors has been widely used. Widely used in petroleum refining, long-distance pipelines, chemical, paper, pharmaceutical, water, electricity, municipal, steel and other industries.
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