Self-operated Micro-pressure Regulating Valve

The Self-operated Micro-pressure Regulating Valve is specially designed for low-pressure and ultra-sensitive pressure control applications. By using an oversized sensing diaphragm, it detects Pa-level pressure changes and performs automatic pressure stabilization or relief without electricity or external air supply.

This design solves the problem that conventional self-operated valves cannot accurately control micro positive pressure and micro negative pressure conditions.

The stemless structure eliminates packing leakage risks, while the integrated pressure sensing design removes the need for external impulse tubing and simplifies installation.

The valve supports nitrogen blanketing pressure control, cleanroom differential pressure regulation, and exhaust micro-relief applications. The fluororubber composite diaphragm provides excellent corrosion resistance and aging resistance, ensuring long-term stable regulation accuracy.

Typical applications include storage tank nitrogen blanketing systems, pharmaceutical cleanroom pressure control, lithium battery clean production areas, laboratory inert gas protection, hazardous chemical exhaust treatment, and small gas burner pressure stabilization systems.

Huizheng has been deeply involved in the automatic control valve industry for more than 15 years. Its products are widely used in major domestic industrial projects and have provided stable solutions for enterprises including Sinopec, Tsingshan Steel, and China Gold.

The company's overseas projects cover Russia, Southeast Asia, the Middle East, and Africa, including large fluid engineering projects such as the Benguérir oilfield project in Congo.

Huizheng maintains large inventories of standard valve bodies, actuators, and control components. Standard orders can normally be shipped within around 10 days.

For customized products involving special materials or non-standard valve bodies, production schedules can be adjusted according to customer project requirements.

The entire order process is visualized with pressure testing videos, packing records, customs documents, and logistics tracking to ensure reliable delivery.

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