G621 – Gas Proving System

Gas Proving

Available Sizes/Options

  • 1/2" BSP
  • 3/4" BSP
  • 1" BSP
  • 1 1/4" BSP
  • 1 1/2" BSP
  • 2" BSP
  • 2 1/2" Flanged
  • 3" Flanged
  • 4" Flanged

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.

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

Product Description

The G621 weep bypass system, securely isolates and safely re-establishes the gas supply to any area which relies on manual isolation of gas outlets. The Duomo Gas Safestart is used in hotels, fast food restaurants, schools, colleges, scientific research laboratories and canteens throughout Europe. Safestart protects personnel and property from damage caused by gas leaks.



Onsite Diagnostics

These step-by-step diagnostic guides are intended to aid engineers onsite when they are servicing Duomo (UK) Ltd. equipment.



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.


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