TECO
GST® Fitting – male/female threaded

Fitting – male/female threaded version

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TECO

Italy
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Overview

GST® Fitting – male/female threaded By TECO

Collection
Type

Fitting – male/female threaded version

Materials

Metal

Excess flow safety device for gas systems.‎

Excess flow valve
GST® instantly blocks gas flow in the pipeline whenever the closure flow rate (Vs) is accidentally exceeded.‎

GS
GST® is TECO's commercial name for the excess flow safety device, specified as GS in the German standard (Gasströmungswächter).‎

SINCE 2002
TECO developed and manufactures GST since 2002, when the German technical standards for design and installation of gas systems (TRGI) covered excess flow devices.‎

Standard and certification: DVGW VP305-1:12/2007 DVGW TRGI 2008 DVGW TRF 2012
Pressure: 15-100 mbar
Temperature: -20 °C +60 °C
Application: For all types of gas as specified in EN 437 and DVGW G260/1 (Methane, Butane, Propane)
Pressure drop: ≤ 0.‎5 mbar (50 Pa)
Overflow value VL: 37.‎5 l/h at 100 mbar (gas)
Fs min: 1.‎30
Fs max: 1.‎45
External heat resistance: 925 °C for 60’
Internal heat resistance: trip at 120 °C / 200 °C for 10’

Further info from manufacturer on GST® Fitting – male/female threaded TECO

GST® Collection by TECO
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