Industry-Verified Manufacturing Data (2026)

Pressure Regulator

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Pressure Regulator 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 is characterized by the integration of Adjustment Spring and Diaphragm. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A device that maintains a constant output pressure regardless of variations in input pressure or flow demand.

Product Specifications

Technical details and manufacturing context for Pressure Regulator

Definition
Within an Industrial System, the Pressure Regulator is a critical control component that ensures downstream equipment receives stable, predetermined pressure levels. It protects sensitive instruments, optimizes process efficiency, and prevents damage from pressure surges by automatically adjusting its internal mechanism to compensate for upstream fluctuations.
Working Principle
The Pressure Regulator physically functions by balancing forces within a sealed chamber. Incoming fluid pressure acts on a diaphragm or piston against the force of an adjustable spring. When output pressure drops below the setpoint, the spring force overcomes the diaphragm, opening a valve to allow more flow and increase pressure. When output pressure exceeds the setpoint, the diaphragm compresses the spring, closing the valve to reduce flow and lower pressure, maintaining equilibrium.
Common Materials
Stainless Steel, Brass
Technical Parameters
  • Maximum inlet pressure the regulator can safely withstand (psi) Standard Spec
Components / BOM
  • Adjustment Spring
    Provides the reference force to set the desired output pressure
    Material: Stainless Steel
  • Diaphragm
    Senses output pressure changes and transmits force to the valve stem
    Material: Synthetic Rubber
  • Control Spring
    Provides the reference force that determines the setpoint pressure
    Material: Stainless Steel
  • Poppet Valve
    Regulates flow by opening or closing in response to diaphragm movement
    Material: Stainless Steel
  • Diaphragm
    Senses output pressure changes and transmits force to the valve mechanism
    Material: Elastomer
  • Poppet Valve
    Controls fluid flow by opening or closing based on diaphragm position
    Material: Stainless Steel
Engineering Reasoning
0.5-100 bar
150 bar (diaphragm rupture pressure) or 0.3 bar (minimum differential pressure for stable regulation)
Design Rationale: Diaphragm material yield strength (typically 316L stainless steel with 205 MPa yield strength) exceeded at 150 bar; Bernoulli principle disruption below 0.3 bar differential causing flow instability and cavitation
Risk Mitigation (FMEA)
Trigger Particulate contamination exceeding 25 μm in fluid stream
Mode: Seat erosion and leakage with flow coefficient Cv deviation >15%
Strategy: Install 10 μm absolute filter upstream with differential pressure monitoring
Trigger Cyclic pressure fluctuations at 0.5-2 Hz frequency exceeding 20% of setpoint
Mode: Diaphragm fatigue failure at 10^5-10^6 cycles (based on Goodman diagram for 316L SS)
Strategy: Pulsation damper installation with 0.1 L volume per 10 L/min flow capacity

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pressure Regulator.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Inlet: 0-100 bar, Outlet: 0-10 bar
flow rate: 0.1-100 L/min
temperature: -20°C to 120°C
slurry concentration: Not recommended for slurries >5% solids by volume
Media Compatibility
✓ Compressed air systems ✓ Hydraulic oil circuits ✓ Industrial gas lines (N2, O2, CO2)
Unsuitable: Corrosive chemical environments (e.g., chlorine, strong acids)
Sizing Data Required
  • Required outlet pressure setpoint
  • Maximum expected inlet pressure
  • Peak flow rate demand

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Diaphragm rupture
Cause: Fatigue from cyclic pressure loading or chemical degradation from incompatible process media
Seat wear/erosion
Cause: Particulate contamination in the fluid stream causing abrasive wear or cavitation damage from high pressure differentials
Maintenance Indicators
  • Pressure fluctuations or inability to maintain setpoint (audible: chattering/hissing)
  • Visible external leakage around bonnet or downstream connections
Engineering Tips
  • Install upstream filtration (10-25 micron) and maintain clean, dry instrument air/gas to prevent contamination damage
  • Implement regular calibration checks and verify proper pressure differentials to avoid cavitation conditions

Compliance & Manufacturing Standards

Reference Standards
ISO 5781: Hydraulic fluid power - Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves - Mounting surfaces ANSI/ASME B40.100: Pressure Gauges and Gauge Attachments DIN EN 334: Gas pressure regulators for inlet pressures up to 100 bar
Manufacturing Precision
  • Outlet pressure accuracy: +/- 2% of set point
  • Seat leakage: < 0.5 SCFH at 1.5 times rated pressure
Quality Inspection
  • Hydrostatic pressure test: 1.5 times maximum working pressure for 3 minutes
  • Flow characteristic test: Verify stable regulation across specified flow range

Factories Producing Pressure Regulator

Verified manufacturers with capability to produce this product in China

✓ 93% Supplier Capability Match Found

T Technical Director from Germany Feb 19, 2026
★★★★★
"Great transparency on the Pressure Regulator components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Brazil Feb 16, 2026
★★★★☆
"The Pressure Regulator we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Canada Feb 13, 2026
★★★★★
"Found 20+ suppliers for Pressure Regulator on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Pressure Regulator from Poland (1h ago).

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Frequently Asked Questions

What materials are available for this pressure regulator?

This pressure regulator is available in durable stainless steel for corrosive environments or brass for general industrial applications, both offering reliable performance in machinery and equipment manufacturing.

How does this regulator maintain constant output pressure?

The regulator uses a diaphragm sensing mechanism and poppet valve design that automatically adjusts to variations in input pressure or flow demand, ensuring stable output pressure for consistent equipment operation.

What are the key components in this pressure regulator?

Key components include an adjustment spring for pressure setting, a responsive diaphragm for pressure sensing, and a precision poppet valve for flow control, all engineered for industrial machinery applications.

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.

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