Gas Mixing Chamber/Manifold

Product Specifications

Technical details and manufacturing context for Gas Mixing Chamber/Manifold

Definition

The Gas Mixing Chamber/Manifold is a critical component within Gas Mixing & Injection Systems, serving as the central hub where individual gas streams converge and are thoroughly mixed before distribution. It ensures uniform gas composition, precise control over mixture ratios, and stable flow characteristics for downstream processes such as chemical reactions, atmospheric control, or product treatment. This component is available in configurations with 2 to 8 inlet ports, each sized from 1/8 to 1/2 inch NPT (ASME B1.20.1), and outlet ports from 1/4 to 1 inch NPT. It handles total flow rates from 5 to 500 L/min, with a mixing accuracy of ±1.0%. Operating pressure ranges from 0.1 to 1.0 MPa, with a maximum pressure rating of 1.6 MPa. The operating temperature range is -20 to 80°C. The body is typically made of Stainless Steel 316L (ASTM A276), with seals of Viton (ASTM D2000). The leak rate is ≤1×10⁻⁶ mbar·L/s (ISO 15848-1), ensuring safety for critical applications. Weight varies from 1.5 to 3.5 kg depending on port configuration. Materials on file include Stainless Steel 316L, Aluminum Alloy, and PTFE. This component is designed for chemical manufacturing environments where precise gas blending is essential. It is important to verify model-specific parameters and standards with the legal manufacturer or supplier before procurement, as actual specifications may vary based on the specific model and application.

Working Principle

Individual gas streams enter through dedicated inlets into a common chamber where turbulent flow, static mixers, or baffle systems promote thorough blending. The mixed gas exits through one or multiple outlets, with pressure, temperature, and flow sensors often integrated to monitor and regulate the mixing process in real-time. The chamber design ensures that the gas mixture is homogeneous before it proceeds to downstream processes.

Common Materials

Stainless Steel 316L, Aluminum Alloy, PTFE (Polytetrafluoroethylene)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Number of Inlet Ports	2–8 ports	Determines the number of gas streams that can be mixed.
Inlet Port Size	1/8–1/2 inch NPT	Must match upstream gas supply lines.ASME B1.20.1
Outlet Port Size	1/4–1 inch NPT	Must match downstream process piping.ASME B1.20.1
Flow Rate Range	5–500 L/min	Total mixed gas flow capacity.
Mixing Accuracy	±1.0 %	Deviation of each gas component from setpoint.
Operating Pressure	0.1–1.0 MPa	Below 0.1 MPa mixing may be incomplete.
Maximum Pressure	1.6 MPa	Exceeding may cause leakage or damage.
Operating Temperature	-20–80 °C	Seals and materials rated for this range.
Leak Rate	≤1×10⁻⁶ mbar·L/s	Helium leak test; critical for safety.ISO 15848-1
Body Material	SS316L	Corrosion resistant for chemical gases.ASTM A276
Seal Material	Viton	Compatible with most gases; check for specific media.ASTM D2000
Weight	1.5–3.5 kg	Depends on port count and size.

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

Components / BOM

Inlet Ports Part
Provide sealed connections for individual gas supply lines to enter the mixing chamber.

Material: Stainless Steel
Static Mixer Element
Internal helical or baffle structure that creates turbulent flow to blend gases without moving parts.

Material: PTFE or Stainless Steel
Outlet Manifold
Distributes the homogenized gas mixture to one or multiple downstream lines or injection points.

Material: Stainless Steel
Pressure Relief Valve
Safety device that vents excess pressure to prevent over-pressurization of the chamber.

Material: Brass or Stainless Steel
Process Sensors Optional
Read pressure, temperature and flow inside the chamber so the blend can be corrected while it runs.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gas Mixing Chamber/Manifold.

Applied To / Applications

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

Gas Mixing & Injection System

View system integration details

Manufacturers of Gas Mixing Chamber/Manifold

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Frequently Asked Questions

What is the typical number of inlet ports for this gas mixing chamber?

The number of inlet ports ranges from 2 to 8, depending on the model. This determines how many gas streams can be mixed simultaneously.

What materials are available for the body and seals?

Body materials include Stainless Steel 316L, Aluminum Alloy, and PTFE. Seal material is typically Viton, but compatibility with specific gases should be verified.

What is the maximum operating pressure?

The maximum pressure rating is 1.6 MPa, while the normal operating pressure range is 0.1 to 1.0 MPa. Exceeding the maximum may cause leakage or damage.

How is the leak rate specified?

The leak rate is specified as ≤1×10⁻⁶ mbar·L/s, tested with helium according to ISO 15848-1. This is critical for safety in chemical applications.

Data Basis

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Preliminary Technical Classification

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pressure:	0 to 100 bar (gauge)
flow rate:	0.1 to 500 SLPM per gas stream
temperature:	-20°C to 150°C
mixing accuracy:	±1% composition at steady state

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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