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Spring micro-lift safety valve,safety valve

Product Code : VF--ZCC-A17-CU

Spring micro-lift safety valve

Product caliber: DN25 ~ DN300

Product pressure: 0.6 ~ 10.0MPa

Manufacturing standards: China GB, JB, HG, API, ANSI, DIN, JIS, JPI, BS production. Body material: copper, cast iron, cast steel, carbon steel, WCB, WC6, WC9, 20#, 25#, forged steel, A105, F11, F22, stainless steel, 304, 304L, 316, 316L, chromium molybdenum steel, low temperature steel, titanium alloy steel, etc. Working pressure 1.0Mpa-50.0Mpa. Operating temperature: -196℃-650℃. Connection method: internal thread, external thread, flange, welding, butt welding, socket welding, sleeve, clamp. Driving mode: manual, pneumatic, hydraulic, electric


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Structure and working principle

The structure of spring micro-opening safety valve is relatively simple, mainly including spring, valve body, valve cover and valve core. The working principle is to control the opening and closing of the valve through the balance between the spring's elastic force and the medium pressure. When the system pressure exceeds the set value, the spring is compressed, the spool is lifted, the safety valve is opened, and the medium is discharged; When the pressure drops below the set value, the spring recovers, the spool drops, and the safety valve closes ‌


peculiarity

‌ compact structure ‌ : spring micro-opening safety valve structure design is compact, suitable for limited space occasions.

‌ high sensitivity ‌ : because of its simple and direct working principle and fast response speed, it is suitable for occasions that require quick response.

‌ easy maintenance ‌ : Because of its simple structure, maintenance and maintenance is relatively easy.



‌ spring micro-opening safety valve is widely used in many fields, mainly including chemical industry, energy, pharmaceutical, petroleum, water treatment and shipbuilding industry ‌.


Chemical industry

In the chemical production process, many reactors, tanks and pipelines require strict pressure control. The spring micro-opening safety valve can play the role of automatic pressure relief in these equipment to prevent safety accidents caused by overpressure ‌


Energy field

In power, oil, natural gas and other energy fields, spring micro-lift safety valves also play an important role. For example, in steam boilers and heat pipelines, safety valves can relieve pressure in time when the pressure is too high, protecting the safety of equipment and personnel ‌


Pharmaceutical field

In the pharmaceutical process, the control of pressure is crucial. Spring micro-lift safety valves can ensure a stable pressure environment in pharmaceutical equipment, thereby ensuring the quality and safety of drugs ‌


Oil industry

In the process of oil exploitation, refining and storage and transportation, safety valve is very important to maintain the stability of system pressure. The A28X and A28W safety valves play a key role in the protection of petroleum equipment ‌ due to their excellent performance


Water treatment field

Whether it is water supply and drainage system or sewage treatment facilities, spring micro-opening safety valve can automatically open or close according to system pressure changes, to ensure the normal operation of water treatment equipment ‌


Shipbuilding industry

Marine air compressor system is very important for the safety and efficiency of ships, and the spring micro-lift safety valve can effectively protect the Marine air compressor system, ensure its stable operation, and provide a reliable supply of compressed air ‌


Packing of Standard Packing: 

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 442 gallon liquid totes Special package is available on request. ATTs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

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+ 1 917 7225069
+ 1 917 7225069