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Flanged mixing tees



Flanged Mixing Tees are air-gas proportional type mixers designed for low pressure drop operation. Combustion air delivered through a manual or motorized control valve is metered through a precision machined orifice. Controlled air pressure is impulsed to the top of the gas balanced zero regulator. The zero regulator outlet pressure will always be the same as the controlled air pressure. An adjustable gas orifice sets the gas fuel flow rate. This pressure interlocked system maintains equal air and gas pressure drops at all flow rates. Air-gas ratio will be constant over the entire turn-down range of the system.


Product Details

  • Construction: cast iron G25
  • Internal pipe and orifices: AISI304
  • Incorporated gas adjuster
  • High capacity with low pressure drop
  • Flanged construction - no pipe union required


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  • This field is for validation purposes and should be left unchanged.


We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • Datasheet

    209.04 KB | pdf


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

Duomo (UK) Ltd

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