Self Operated Miniature Pressure Regulating Valve – Calibration and Maintenance Guide

4 week ago

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Hangzhou Baoheng Valve Manufacturing Co., Ltd.

3 month

Product details

The Self Operated Miniature Pressure Regulating Valve is a precision, spring‑loaded direct‑acting regulator specifically engineered for ultra‑low pressure control in critical environments such as pharmaceutical cleanrooms, medical gas distribution, and laboratory fermentation systems. It maintains a stable downstream set point from 0.2 to 10 kPa without any external power source, relying solely on the force balance between a large‑area sensing diaphragm and an adjustable compression spring. This inherent simplicity makes it a true Self‑operated Valve, eliminating the need for instrument air or electricity, which significantly reduces installation costs and enhances reliability in hazardous or remote locations. The valve body is constructed from 316L stainless steel with optional brass or aluminum variants, and the internal trim features a balanced poppet design that minimizes hysteresis and provides exceptional repeatability within ±1.5% of set point. Its soft elastomer seat ensures bubble‑tight shut‑off, making it an ideal Pressure Control Valve for nitrogen blanketing, tank venting, and sterile gas overlay applications. In many biopharmaceutical processes, it works seamlessly alongside a Temperature Regulating Valve to maintain both pressure and temperature in incubators or sterilizers, ensuring consistent cell culture conditions. For continuous flow systems, it can be integrated into a cascade loop with a Flow Control Valve to regulate both flow rate and backpressure, optimizing product yield and quality. The valve’s modular cartridge design allows quick in‑line maintenance without breaking pipe connections, reducing downtime. It also supports remote set‑point adjustment via an optional pilot port, enabling operators to fine‑tune pressure from a control room. When paired with a pressure transmitter and a digital controller, this regulator can be monitored as part of an Intelligent Control Valve network, providing real‑time data for predictive maintenance and process optimization. Its compact, lightweight construction facilitates easy mounting in tight instrument panels or manifold assemblies. The valve is available with threaded or flanged ends, and all wetted materials comply with FDA and USP Class VI requirements for food and pharmaceutical contact. Every unit undergoes rigorous helium leak testing and functional performance verification to guarantee reliability. With its proven track record in medical gas piping, environmental chambers, and sterile filling lines, this miniature pressure regulator delivers unparalleled accuracy and long‑term stability, making it the preferred choice for engineers who demand fail‑safe, energy‑free pressure control in the most sensitive applications.

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Hangzhou Baoheng Valve Manufacturing Co., Ltd.

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3 month

Main Product: Pneumatic Diaphragm PTFE Lined Control Valve, Electric Intelligent Temperature & Flow Control Valve, Self-operated Pressure & Temperature Regulating Valve, Pneumatic V-port PTFE Lined Control Ball Valve, Pneumatic Triple Eccentric Rubber Lined Control Butterfly Valve , Pneumatic O-port Cut-off & Control Ball Valve

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