Industry-Verified Manufacturing Data (2026)

Gas Cylinder/Generator

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

A component that stores or generates carrier gas for analytical instruments

Product Specifications

Technical details and manufacturing context for Gas Cylinder/Generator

Definition
Within a Carrier Gas Supply System, the Gas Cylinder/Generator is responsible for providing a stable, pure source of carrier gas (such as helium, hydrogen, or nitrogen) that transports samples through chromatographic or other analytical systems. Cylinders store compressed gas, while generators produce it on-demand through processes like electrolysis or pressure swing adsorption.
Working Principle
Gas cylinders store pre-compressed gas under high pressure, regulated through valves and pressure reducers. Gas generators typically use electrolysis (for hydrogen) to split water into hydrogen and oxygen, or pressure swing adsorption (for nitrogen) to separate nitrogen from compressed air using molecular sieves.
Common Materials
Stainless steel, Aluminum alloy, Carbon fiber composite
Technical Parameters
  • Gas capacity (for cylinders) or flow rate (for generators) (L) Standard Spec
Components / BOM
  • Pressure Regulator
    Controls and reduces gas pressure to safe operating levels
    Material: Brass or stainless steel
  • Safety Valve
    Prevents over-pressurization by releasing excess gas
    Material: Stainless steel
  • Gas Outlet Connection
    Interface for connecting to the carrier gas supply line
    Material: Stainless steel
Engineering Reasoning
150-300 bar (ISO 11114-4:2016 for high-pressure gas cylinders)
315 bar (1.05x maximum working pressure per ASME BPVC Section VIII Division 1)
Design Rationale: Brittle fracture due to hydrogen embrittlement in chromium-molybdenum steel (ASTM A519) when tensile stress exceeds 758 MPa yield strength at 20°C
Risk Mitigation (FMEA)
Trigger Pressure regulator diaphragm fatigue from 10^6+ cycles at 0.5 Hz oscillation frequency
Mode: Sudden pressure surge exceeding 350 bar causing safety valve activation
Strategy: Dual-stage pressure regulation with 316L stainless steel bellows (EN 10204-3.1 certification)
Trigger Moisture contamination exceeding 5 ppm H₂O causing hydrate formation at -40°C
Mode: Flow restriction dropping below 0.1 L/min at 200 bar inlet pressure
Strategy: Integrated molecular sieve desiccant cartridge with 3Å pore size (ISO 8573-1:2010 Class 2)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gas Cylinder/Generator.

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
purity: 99.999% minimum for carrier gas applications
pressure: Up to 300 bar (storage cylinders), 0-10 bar (generator output)
flow rate: 0.1-10 L/min (typical analytical instrument range)
temperature: -20°C to +50°C (operating), -40°C to +70°C (storage)
Media Compatibility
✓ High-purity nitrogen ✓ Helium carrier gas ✓ Zero air for detectors
Unsuitable: Corrosive or reactive gases (e.g., chlorine, ammonia)
Sizing Data Required
  • Required flow rate (L/min)
  • Maximum operating pressure (bar)
  • Daily/continuous usage hours

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Valve seat leakage
Cause: Wear from repeated cycling, contamination ingress, or improper seating due to thermal expansion mismatches between valve materials and cylinder body.
Pressure vessel fatigue cracking
Cause: Cyclic pressure loading from repeated filling/emptying, stress concentrations at weld seams or transitions, and corrosion-assisted crack initiation.
Maintenance Indicators
  • Hissing or whistling audible leak from valve or fittings during operation
  • Visible corrosion, bulging, or discoloration on cylinder surface indicating material degradation
Engineering Tips
  • Implement regular ultrasonic thickness testing and hydrostatic testing per regulatory schedules to detect wall thinning and verify structural integrity.
  • Use filtered, dry gas sources and install particulate filters upstream to prevent contamination that accelerates valve wear and internal corrosion.

Compliance & Manufacturing Standards

Reference Standards
ISO 11114-1:2020 (Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents) ANSI/CGA V-1:2021 (American National Standard for Compressed Gas Cylinder Valve Outlet and Inlet Connections) DIN EN 1964-1:2019 (Transportable gas cylinders - Specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacities from 0.5 litre up to and including 150 litres)
Manufacturing Precision
  • Wall thickness: +/-0.1mm
  • Cylinder diameter: +/-0.5mm
Quality Inspection
  • Hydrostatic pressure test
  • Ultrasonic thickness testing

Factories Producing Gas Cylinder/Generator

Verified manufacturers with capability to produce this product in China

✓ 94% Supplier Capability Match Found

S Sourcing Manager from United Arab Emirates Feb 01, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Procurement Specialist from Australia Jan 29, 2026
★★★★☆
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Gas Cylinder/Generator meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Singapore Jan 26, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Gas Cylinder/Generator arrived with full certification."
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.”

11 sourcing managers are analyzing this specification now. Last inquiry for Gas Cylinder/Generator from Mexico (36m ago).

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Frequently Asked Questions

What materials are used in your gas cylinders/generators?

Our gas cylinders/generators are constructed from high-quality materials including stainless steel for durability, aluminum alloy for lightweight applications, and carbon fiber composite for advanced strength-to-weight ratio requirements.

What safety features are included in your gas cylinders?

All our gas cylinders include essential safety components such as a reliable safety valve to prevent over-pressurization and a precision pressure regulator to maintain consistent gas flow for analytical instruments.

What is the typical bill of materials for your gas generators?

Our standard gas generators include a gas outlet connection for instrument interfacing, a pressure regulator for flow control, and a safety valve as critical components, with material options including stainless steel, aluminum alloy, or carbon fiber composite construction.

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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