Structured Manufacturing Data (2026)

Release Valve

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Release 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 Release Valve is characterized by the integration of Valve Body and Spring. In industrial production environments, manufacturers listed on CNFX commonly emphasize Brass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A safety component in a gas lift cylinder that controls pressure release.

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Product Specifications

Technical details and manufacturing context for Release Valve

Definition
The release valve is a critical safety component within a gas lift cylinder system, designed to automatically or manually vent excess gas pressure to prevent over-pressurization and potential failure of the cylinder or connected equipment. It ensures operational safety and system integrity.
Working Principle
The valve operates by opening when the internal gas pressure exceeds a predetermined set point, allowing gas to escape until pressure normalizes. It may be spring-loaded, pilot-operated, or manually actuated, and then reseals automatically or manually once safe pressure is restored.
Common Materials
Brass, Stainless Steel
Technical Parameters
  • Pressure rating or set point for valve activation. (MPa) Standard Spec
Components / BOM
  • Valve Body
    Houses internal components and provides connection points.
    Material: Brass or Stainless Steel
  • Spring Part
    Applies force to keep the valve closed until set pressure is exceeded.
    Material: Spring Steel
  • Seal/Diaphragm Part
    Creates a pressure-tight seal when the valve is closed.
    Material: Nitrile Rubber or PTFE

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Release Valve.

gas lift cylinder release valve brass pressure release valve stainless steel safety valve machinery pressure control valve industrial gas cylinder valve

Applied To / Applications

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

Gas Lift Cylinder
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 3000 psi (207 bar)
flow rate: Up to 50 SCFM (standard cubic feet per minute)
temperature: -40°C to 150°C
slurry concentration: Not recommended for slurries >5% solids by volume
Media Compatibility
✓ Natural gas ✓ Nitrogen ✓ Dry air
Unsuitable: Corrosive gases (e.g., hydrogen sulfide, chlorine) or abrasive slurries
Sizing Data Required
  • Maximum operating pressure (psi/bar)
  • Required flow capacity (SCFM)
  • Gas composition and purity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sticking or binding
Cause: Corrosion buildup on valve stem or seat, improper lubrication, or foreign material accumulation preventing proper movement
Leakage past the seat
Cause: Wear or erosion of sealing surfaces, improper seating due to misalignment, or thermal cycling causing material fatigue
Maintenance Indicators
  • Audible hissing or whistling indicating flow when valve should be closed
  • Visible fluid weeping around valve body or stem during operation
Engineering Tips
  • Implement regular preventive maintenance with proper lubrication and cleaning to prevent corrosion and buildup
  • Install strainers upstream and ensure proper system filtration to prevent particulate contamination that accelerates wear

Compliance & Manufacturing Standards

Reference Standards
ISO 4126-1: Safety devices for protection against excessive pressure - Part 1: Safety valves ASME BPVC Section VIII: Rules for Construction of Pressure Vessels (ANSI standard) DIN EN ISO 4126: Safety valves - General requirements
Manufacturing Precision
  • Seat flatness: 0.025 mm maximum deviation
  • Spring compression force: +/- 2% of specified value
Quality Inspection
  • Hydrostatic pressure test at 1.5x maximum working pressure
  • Leakage test with helium or nitrogen at set pressure

Factories Producing Release Valve

Manufacturer profiles with relevant production capability in China

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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 the release valve?

Our release valves are manufactured using durable brass or corrosion-resistant stainless steel, suitable for various industrial environments.

How does the release valve ensure safety in gas lift cylinders?

The valve automatically releases excess pressure through its spring and diaphragm mechanism, preventing over-pressurization and potential equipment failure.

What are the main components of the release valve?

The valve consists of three key components: a valve body (brass/stainless steel), a spring for pressure regulation, and a seal/diaphragm to prevent leaks.

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 for Machinery and Equipment Manufacturing.

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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