Industry-Verified Manufacturing Data (2026)

Gas Inlet Manifold

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Gas Inlet Manifold 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 Inlet Manifold is characterized by the integration of Manifold Body and Inlet Port Fitting. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A distribution component that receives and directs incoming gas to multiple outlets within a gas purging station.

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Product Specifications

Technical details and manufacturing context for Gas Inlet Manifold

Definition
The Gas Inlet Manifold is a critical component of a Gas Purging Station, serving as the primary entry and distribution point for the purge gas. It receives gas from the main supply line and evenly distributes it to multiple outlet ports, ensuring consistent flow and pressure to various sections or tools within the purging system. Its design is crucial for maintaining system efficiency and safety during purging operations.
Working Principle
The manifold operates by receiving pressurized gas through a single inlet port. Internal channels or chambers within the manifold body divide and direct the gas flow to multiple outlet ports. Valves or regulators may be integrated to control the flow to individual outlets. The design ensures balanced pressure distribution and minimizes pressure drops across the system.
Common Materials
Stainless Steel (e.g., 304, 316), Carbon Steel, Brass
Technical Parameters
  • Inlet/Outlet Port Diameter (e.g., NPT, BSP threads) (mm) Per Request
Components / BOM
  • Manifold Body
    The main structural block containing internal flow channels that distribute the gas.
    Material: Stainless Steel
  • Inlet Port Fitting
    Connection point for the main gas supply line to enter the manifold.
    Material: Brass or Steel
  • Outlet Port Fittings
    Multiple connection points where gas is distributed to downstream lines or tools.
    Material: Brass or Steel
  • Pressure Gauge Port (Optional)
    A dedicated port for installing a pressure gauge to monitor inlet pressure.
    Material: Steel
Engineering Reasoning
0.5-25 bar
28 bar (yield strength of ASTM A106 Grade B carbon steel at 150°C)
Design Rationale: Plastic deformation due to hoop stress exceeding material yield strength (σ_θ = P·r/t > σ_y)
Risk Mitigation (FMEA)
Trigger Corrosion-induced wall thinning (0.5 mm/year in H₂S-containing gas)
Mode: Catastrophic rupture at operating pressure
Strategy: 316L stainless steel cladding (0.8 mm minimum) with ultrasonic thickness monitoring every 6 months
Trigger Thermal cycling between -20°C and 180°C (ΔT=200°C)
Mode: Fatigue cracking at weld joints
Strategy: Finite element analysis-optimized support spacing (1.2 m maximum) with expansion loops

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gas Inlet Manifold.

stainless steel gas inlet manifold gas purging station manifold industrial gas distribution manifold carbon steel inlet manifold multi-outlet gas manifold

Applied To / Applications

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

Gas Purging Station
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 300 psi (20.7 bar)
flow rate: 0.5 to 500 SCFM
temperature: -40°C to 150°C
slurry concentration: Not applicable - designed for clean gas only
Media Compatibility
✓ Natural gas distribution ✓ Industrial nitrogen purging ✓ Compressed air systems
Unsuitable: Corrosive gases (e.g., chlorine, hydrogen sulfide) without special coatings
Sizing Data Required
  • Maximum system pressure (psi/bar)
  • Total required flow rate (SCFM/Nm³/h)
  • Number of outlet connections required

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion fatigue cracking
Cause: Cyclic thermal and pressure stresses combined with corrosive gas components (e.g., H2S, CO2, moisture) leading to crack initiation and propagation at stress concentration points like welds or bends.
Erosion-corrosion
Cause: High-velocity particulate-laden gas flow causing mechanical wear (erosion) that removes protective oxide layers, accelerating chemical attack (corrosion) on internal surfaces, especially at directional changes.
Maintenance Indicators
  • Audible high-frequency whistling or hissing indicating gas leakage through cracks or compromised seals
  • Visual external discoloration (e.g., blueing or rust streaks) at welds or fittings suggesting internal corrosion or overheating
Engineering Tips
  • Implement regular ultrasonic thickness testing and phased array ultrasonic testing at high-stress areas to monitor wall thinning and crack development before failure occurs.
  • Install properly sized inlet filters/separators and consider internal coatings (e.g., thermally sprayed aluminum or ceramic) to protect against erosion-corrosion in high-velocity sections.

Compliance & Manufacturing Standards

Reference Standards
ISO 15649:2001 (Petroleum and natural gas industries - Piping) ASME B31.3:2022 (Process Piping) DIN 2501-1:2016 (Flanges for pipes, valves, fittings and accessories)
Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Flange flatness: 0.1mm per 300mm diameter
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure)
  • Dye penetrant inspection (weld seams and critical joints)

Factories Producing Gas Inlet Manifold

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

P Project Engineer from Germany Jan 01, 2026
★★★★★
"Testing the Gas Inlet Manifold now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
S Sourcing Manager from Brazil Dec 29, 2025
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Procurement Specialist from Canada Dec 26, 2025
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Gas Inlet Manifold meets all ISO standards."
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.”

7 sourcing managers are analyzing this specification now. Last inquiry for Gas Inlet Manifold from Thailand (45m ago).

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Frequently Asked Questions

What materials are available for the gas inlet manifold?

Our gas inlet manifolds are manufactured in durable materials including Stainless Steel (304 or 316 grades), Carbon Steel, and Brass to suit various industrial applications and environmental conditions.

What components are included in the gas inlet manifold assembly?

The standard BOM includes a Manifold Body, Inlet Port Fitting, Outlet Port Fittings, and an optional Pressure Gauge Port for monitoring system pressure.

What is the primary function of a gas inlet manifold in machinery equipment?

The gas inlet manifold serves as a distribution component that receives incoming gas and directs it to multiple outlets within gas purging stations, ensuring efficient and controlled gas flow throughout industrial systems.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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