INDUSTRY COMPONENT

Gas Valve

A precision gas valve regulates gas flow in accumulator systems for pressure control and safety.

Component Specifications

Definition
A gas valve is a mechanical device designed to control the flow of gas within an accumulator system, typically used to regulate pressure, isolate sections, or enable maintenance. It ensures safe and efficient operation by managing gas entry, exit, and pressure levels, often incorporating features like shut-off, regulation, and relief functions to prevent over-pressurization and leaks.
Working Principle
The gas valve operates by using a movable element (such as a ball, gate, or diaphragm) that adjusts the flow path in response to manual, pneumatic, or electronic control signals. In accumulators, it modulates gas flow to maintain desired pressure levels, with some valves including safety mechanisms that automatically close or vent gas if pressure exceeds set limits.
Materials
Common materials include stainless steel (e.g., AISI 316 for corrosion resistance), brass (for general use), or carbon steel, with seals made from nitrile rubber, PTFE, or Viton to ensure gas-tight operation and durability under varying pressures and temperatures.
Technical Parameters
ParameterTypical rangeNotes & selection driver
ActuationManual, pneumatic, or electric
Connection TypeNPT or flange
Pressure RatingUp to 300 psi
Temperature Range-20°C to 150°C
Flow Coefficient (Cv)Varies by model

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 5211, DIN 3352

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Gas leakage leading to pressure loss or hazards
  • Valve failure causing over-pressurization
  • Material incompatibility with corrosive gases
FMEA Triads
Trigger: Worn seals or corrosion
Failure: Gas leakage
Mitigation: Use compatible materials and regular maintenance checks
Trigger: Mechanical blockage or actuator malfunction
Failure: Valve fails to open/close
Mitigation: Implement redundancy or automatic shut-off systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±5% of set pressure for regulation valves
Test Method
Pressure decay test per ISO 15848 for leak detection

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Gas Valve

Manufacturer profiles associated with Gas Valve.

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Frequently Asked Questions

What is the primary function of a gas valve in an accumulator?

It regulates gas flow to maintain optimal pressure, ensuring safe and efficient accumulator operation by preventing over-pressurization and enabling system isolation.

How do I select the right gas valve for an accumulator?

Consider factors like pressure rating, material compatibility with the gas type, temperature range, connection size, and actuation method based on system requirements and safety standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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