ZZVP Self Micro-Pressure Regulating Valve Overview

The ZZVP Self Micro-Pressure Regulating Valve is a precision micro-pressure control device driven by the medium's own energy. Adopting the direct-acting pressure sensing principle, it can automatically regulate and stably control the micro-pressure of the pipeline system (usually in the range of 0.5kPa to 50kPa) without external power supply or air source. The valve senses pressure changes through a sensitive diaphragm or bellows and directly drives the valve core to change the opening degree, which can accurately maintain the set pressure value. It is especially suitable for occasions with strict requirements for low-pressure or micro-pressure stability, such as ventilation systems, gas piping, biological fermentation tanks, and laboratory negative pressure control. The valve features a cast steel, stainless steel or copper alloy valve body with a compact structure, supporting flange or thread connections. It is an ideal solution for the micro-pressure control field that pursues energy saving and reliability without additional power.

ZZVP Self Micro-Pressure Regulating Valve Product Image

ZZVP Self Micro-Pressure Regulating Valve Features

1. Self-Operated Micro-Pressure Precision Control  

  Operates without external power, air, or hydraulic sources, utilizing the medium's own pressure to drive the control mechanism for accurate automatic adjustment within micro-pressure ranges. Equipped with highly sensitive diaphragms or bellows as sensing elements, capable of responding to pressure changes as low as ≤100 Pa, ensuring superior control precision.

2. Low Differential Pressure Adaptation and Rapid Response  

  Optimized for low-pressure applications, the valve incorporates a lightweight spool structure and low-stiffness springs, enabling sensitive operation even under minimal pressure differentials. Features short dynamic response times to effectively suppress pressure fluctuations and maintain system stability.

3. Compact Design and Flexible Installation  

  Space-saving and lightweight construction supports multiple installation orientations, including horizontal and vertical mounting. Available with flange, threaded, and other connection types for easy integration into pipelines and equipment, ideal for confined spaces or distributed micro-pressure control points.

4. Multiple Control Modes (Configurable)  

  By modifying the actuator type or configuration, the valve supports various control functions such as downstream pressure regulation (pressure reducing/stabilizing), upstream pressure regulation (pressure relief/backpressure maintenance), and differential pressure control. Suitable for diverse applications including ventilation pressure balancing, gas pressure stabilization, and tank micro-pressure (positive/negative) control.

5. Easy Maintenance and High Reliability  

  Modular control mechanism allows quick replacement of wear-prone components like diaphragms or bellows. Eliminates external power dependencies, reducing system complexity and potential failure points. Constructed from corrosion-resistant materials for long-term, reliable performance with air, inert gases, clean fuel gases, and similar media.

ZZVP Self Micro-Pressure Regulating Valve Structure Diagram

Parts Name Material List

Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard GB/T12250.

2. The connecting flange shall conform to the standard GB/T 79.

ZZVP Self Micro-Pressure Regulating Valve View Drawing

ZZVP Self Micro-Pressure Regulating Valve Dimension Table