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G621 Gas Proving System

The Duomo Gas Safestart (G621) is a full assembly, painted and pre-wired Weep Bypass System which conforms to IGEM UP/10 and UP/11.

From: £574.29

From: £574.29

G621 Gas proving System Overview

The G621 Gas Proving System, securely isolates and safely re-establishes the gas supply to any area which relies on manual isolation of gas outlets.

The Duomo G621 Gas Safestart is used in:

  • Hotels
  • Fast food restaurants / Canteens
  • Schools & colleges
  • Scientific Research Laboratories

Safestart protects personnel and property from damage caused by gas leaks.


Product Details

  • BS6173 and IGE/UP/2 2nd Edition (July 2008) compliant weep proving system for kitchens and laboratories
  • 1/2″ BSP (15mm) threaded connection (please note this system is provided as a 3/4" valve with reducers)
  • Also available with 15mm copper fittings
  • Simple to install & easy to operate
  • Air pressure switch or current monitor interlocks
  • Remote emergency stop facility
  • Remote status indication - volt free contacts
  • G621 valve assembly is pre-wired
  • 230 Volt supply
  • Up to 200 mbar inlet pressure


Onsite Diagnostics

If you require onsite diagnostics or technical assistance with any of our products please contact us

  • 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

    226.37 KB | pdf

  • KS22 Trio Wiring Diagram

    81.61 KB | pdf

  • KS23 Labstart Wiring Diagram

    80.31 KB | pdf

  • KS23 CO2MC Wiring Diagram

    558.05 KB | pdf

  • KS10 Control Panel Wiring Diagram

    57.79 KB | pdf

  • KS21 Keyswitch Wiring Diagram

    98.30 KB | pdf

  • G621 Dimensions

    41.64 KB | pdf

  • G621 Valve Flow Rates

    33.85 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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