GST®

Excess flow valve for gas systems

GST® fitting, male/female threaded version "DOWN"
    CodeDNGS m3/hD1D2LPack
    GSW221020020VGAS = 2.5
    R 3/4”Rp 3/4”5215
    GSW231020020VGAS = 4.0
    R 3/4”Rp 3/4”5215
    GSW321030025VGAS = 2.5
    Rp 1”R 1”5410
    GSW331030025VGAS = 4.0
    Rp 1”R 1”5410
    GSW341030025VGAS = 6.0
    Rp 1"R 1”5410
    GSW451040032VGAS = 10
    R 1”1/4Rp 1”1/4676

    GST® | Documentation

     File descriptionDocument typeLanguageLanguage
    Brochure/Catalogues
    GST Catalogue (English)en
    • Lang: en
    Brochure/Catalogues
    GST Catalogue (French)fr
    • Lang: fr
    Brochure/Catalogues
    GST Catalogue (German)de
    • Lang: de
    Brochure/Catalogues
    GST Catalogue (Italian)it
    • Lang: it
    Brochure/Catalogues
    GST Catalogue (Spanish)es
    • Lang: es
    Tender Specification Texts
    GST - Tender Specification Texten
    • Lang: en
    Tender Specification Texts
    GST - Tender Specification Textde
    • Lang: de
    Tender Specification Texts
    GST - Tender Specification Textes
    • Lang: es
    Tender Specification Texts
    GST - Tender Specification Textfr
    • Lang: fr
    Tender Specification Texts
    GST - Tender Specification Textsit
    • Lang: it
    Declarations of Conformity
    GST Declaration of Conformityit,en
    • Lang: it
    • Lang: en
    Declarations of Conformity
    GST Declaration of Conformity 9hPAit,en
    • Lang: it
    • Lang: en
    Product Data Sheets
    GST - Product Data Sheet - MCTW009.01 - 11/2025it
    • Lang: it
    Product Data Sheets
    GST - Product Data Sheet - MCTW009.01 - 11/2025en
    • Lang: en
    Product Data Sheets
    GST - Product Data Sheet - MCTW009.01 - 11/2025de
    • Lang: de
    Product Data Sheets
    GST - Product Data Sheet - MCTW009.01 - 11/2025fr
    • Lang: fr
    Product Data Sheets
    GST - Product Data Sheet - MCTW009.01 - 11/2025es
    • Lang: es
    Use Directives
    GST - FI00033_R4 - Use Directivesit,en,de,es
    • Lang: it
    • Lang: en
    • Lang: de
    • Lang: es
    Specification texts
    GST®: Excess flow valve

    Safety device VP305-1 DVGW, automatically blocks the gas flow, with an intervention range fs min. 1.30 - fs. max 1.45. Pressure drop < 0.5 hPa; automatic reset flow 37.5 l/h at 100 hPa (gas).
    Threaded versions Connections. Available as a single fitting or as a device integrated into the valves does not require maintenance.
    For all types of gas according to EN437 and DVGW G260:2013 (Methane, Propane and Butane).
    Working pressure 15 ÷ 100 hPa.
    Temperature of operation -20°C + 60°C.
    BIM file
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