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pre mix equipment

HG Mixing Tubes

Series HG Mixing Tubes thoroughly blend air and gas using the kinetic energy of higher gas pressures.

Overview
Using the kinetic energy of higher gas pressures, the Series HG Mixing Tube provides a thoroughly blended air/gas mixture. The higher gas pressure allows use of a lower pressure combustion air blower. In combination with a MAXON MICRO-RATIO® flow control valve and combustion air blower, the HG Mixing Tube can provide localized mixing of air and fuel to single or multiple industrial burner systems. Adjustment is simple through single point proportioning.

Features & Benefits:
  • Air/gas mixing devices for use with all Maxon premix burner systems to provide thorough blending of air/gas mixture
  • Uses most clean fuel gases
  • May be used with single or multiple burner systems
  • Series “LG” Mixing Tubes and MULTI-RATIO™ Mixers are designed for use with low pressure gas
  • Series “HG” Mixing Tubes use kinetic energy of higher gas pressures to thoroughly blend the air/gas mixture
Specifications

Air & Combustion Air Specifications

  • Air Velocity Range
    • 500 to 1500 SFPM (for air heating applications)

Performance, Flow & Capacity

  • Turndown Ratio
    • Up to 15:1 (with natural gas)

Overview

  • Series
    • HG

Dimensions & Size Specifications

  • Nominal Sizes
    • 2 in, 3 in, 4 in, 6 in, 8 in
  • Gas Orifice Drill Size
    • Stamped on casting

Mixing & Combustion Sub‑Components

  • Mixer Type
    • Venturi-type premixing tube

Air/Exhaust/Flue Gas Temperatures

  • Maximum Return Air Temperature
    • 500 deg F (260 deg C)

Material Specifications

  • Material
    • Cast Metal

Combustion, Mixing & Fuel Dynamics

  • Gas Orifice Quantity
    • Size‑dependent (fixed per HG size)

Fuel, Gas & Media Specifications

  • Fuel Type
    • Natural Gas, Propane, Butane

Connections & Interfaces

  • Connection Type
    • NPT (ANSI B2.1)

Pressure Specifications

  • Combustion Air Differential Pressure
    • Measured at HG inlet

Standards & Certifications

  • Approvals
    • ANSI Standard B2.1

Applications & Compatibility

  • Applications
    • Burners: LINOFLAME®, INFRAWAVE®, AIRFLO®, COMBUSTIFUME®, LO‑NOX™, Nozzle: STICKTITE™, Series “SN”

Air & Combustion Air Specifications

  • Air Velocity Range
    • 500 to 1500 SFPM (for air heating applications)

Performance, Flow & Capacity

  • Turndown Ratio
    • Up to 15:1 (with natural gas)

Overview

  • Series
    • HG

Dimensions & Size Specifications

  • Nominal Sizes
    • 2 in, 3 in, 4 in, 6 in, 8 in
  • Gas Orifice Drill Size
    • Stamped on casting

Mixing & Combustion Sub‑Components

  • Mixer Type
    • Venturi-type premixing tube

Air/Exhaust/Flue Gas Temperatures

  • Maximum Return Air Temperature
    • 500 deg F (260 deg C)

Material Specifications

  • Material
    • Cast Metal

Combustion, Mixing & Fuel Dynamics

  • Gas Orifice Quantity
    • Size‑dependent (fixed per HG size)

Fuel, Gas & Media Specifications

  • Fuel Type
    • Natural Gas, Propane, Butane

Connections & Interfaces

  • Connection Type
    • NPT (ANSI B2.1)

Pressure Specifications

  • Combustion Air Differential Pressure
    • Measured at HG inlet

Standards & Certifications

  • Approvals
    • ANSI Standard B2.1

Applications & Compatibility

  • Applications
    • Burners: LINOFLAME®, INFRAWAVE®, AIRFLO®, COMBUSTIFUME®, LO‑NOX™, Nozzle: STICKTITE™, Series “SN”
  • Air Velocity Range : 500 to 1500 SFPM (for air heating applications)
  • Turndown Ratio : Up to 15:1 (with natural gas)
  • Series : HG
  • Nominal Sizes : 2 in, 3 in, 4 in, 6 in, 8 in
  • Mixer Type : Venturi-type premixing tube
  • Maximum Return Air Temperature : 500 deg F (260 deg C)
  • Material : Cast Metal
  • Gas Orifice Quantity : Size‑dependent (fixed per HG size)
  • Gas Orifice Drill Size : Stamped on casting
  • Fuel Type : Natural Gas, Propane, Butane
  • Connection Type : NPT (ANSI B2.1)
  • Combustion Air Differential Pressure : Measured at HG inlet
  • Approvals : ANSI Standard B2.1
  • Applications : Burners: LINOFLAME®, INFRAWAVE®, AIRFLO®, COMBUSTIFUME®, LO‑NOX™, Nozzle: STICKTITE™, Series “SN”
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