Structured Manufacturing Data (2026)

Pressure Regulator Valve

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Pressure Regulator Valve used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Pressure Regulator Valve is characterized by the integration of Diaphragm and Spring. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A valve component that automatically maintains a constant downstream pressure in a fluid system by adjusting flow area.

Product Specifications

Technical details and manufacturing context for Pressure Regulator Valve

Definition
A critical component within pressure regulator assemblies that precisely controls and stabilizes output pressure by modulating fluid flow in response to downstream pressure variations, ensuring consistent pressure delivery to connected equipment or processes.
Working Principle
Operates through a diaphragm or piston mechanism that senses downstream pressure changes; when pressure deviates from the setpoint, the mechanism adjusts the valve opening to increase or decrease flow, thereby restoring and maintaining the desired pressure level.
Common Materials
Stainless Steel, Brass, PTFE
Technical Parameters
  • Valve orifice diameter determining flow capacity (mm) Customizable
Components / BOM
  • Diaphragm Part
    Senses downstream pressure changes and transmits force to valve mechanism
    Material: Rubber or Polymer
  • Spring Part
    Provides opposing force to diaphragm to set desired pressure level
    Material: Stainless Steel
  • Valve Seat Part
    Forms sealing surface for precise flow control
    Material: Stainless Steel or Brass

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pressure Regulator Valve.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Upstream: 0-100 bar, Downstream: 0-10 bar
flow rate: 0.1-100 L/min
temperature: -20°C to 150°C
slurry concentration: Max 5% solids by volume
Media Compatibility
✓ Compressed air systems ✓ Hydraulic oil circuits ✓ Process water lines
Unsuitable: Corrosive chemical slurries with high particulate content
Sizing Data Required
  • Required downstream pressure setpoint
  • Maximum expected flow rate
  • Inlet pressure range

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seat Wear/Leakage
Cause: Abrasive particles in fluid eroding the valve seat, or chemical corrosion from incompatible media, leading to pressure drift and inability to maintain setpoint.
Diaphragm/Rubber Seal Failure
Cause: Fatigue cracking or hardening due to cyclic pressure loading, temperature extremes beyond material limits, or chemical degradation from fluid exposure, causing loss of pressure control.
Maintenance Indicators
  • Audible hissing or whistling from the valve body indicating internal leakage
  • Visible pressure gauge fluctuations downstream or inability to maintain stable setpoint despite adjustments
Engineering Tips
  • Install a 10-micron filter upstream to prevent particulate ingress and reduce seat wear
  • Implement quarterly calibration checks with a dead-weight tester to verify setpoint accuracy and detect early drift

Compliance & Manufacturing Standards

Reference Standards
ISO 4126-1: Safety devices for protection against excessive pressure ANSI/ASME B16.34: Valves - Flanged, Threaded, and Welding End DIN EN 334: Gas pressure regulators for inlet pressures up to 100 bar
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Seat flatness: 0.05mm
Quality Inspection
  • Hydrostatic pressure test
  • Leakage test with helium mass spectrometry

Factories Producing Pressure Regulator Valve

Manufacturer profiles with relevant production capability in China

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for this pressure regulator valve?

This pressure regulator valve is available in stainless steel or brass construction, with PTFE (Teflon) diaphragm components for durability and chemical resistance in industrial fluid systems.

How does this valve maintain constant downstream pressure?

The valve automatically adjusts flow area through a spring-loaded diaphragm mechanism that responds to pressure changes, maintaining consistent downstream pressure regardless of upstream fluctuations.

What are the key components in this regulator's BOM?

The bill of materials includes three critical components: a responsive diaphragm for pressure sensing, a calibrated spring for force adjustment, and a precision valve seat for flow control.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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