Gas ball valve F-M type G18 butterfly

The gas ball valve with butterfly handle GW-GZ type G18 is a compact control element for domestic gas installations, designed for precise shut-off and safe operation. With a nominal diameter DN20 and 3/4" connection, it fits standard gas pipe systems and works well as a main or sectional gas shut-off valve.

The valve is adapted for gas media and operates at a nominal pressure of MOP5 (5 bar), so it performs reliably in typical household gas networks. The T2 working temperature range from -20°C to 60°C supports stable operation both in unheated spaces and in indoor installations. The integrated gland improves tightness of the stem, and the butterfly handle offers quick, intuitive flow control even in confined areas.

The body and ball made of brass provide high mechanical strength and resistance to corrosion, while PTFE seals on the ball and PTFE with NBR70 o-ring on the stem contribute to durable tightness of the closure. The nut–nipple connection simplifies assembly in existing gas pipework, and the Rp3/4–R3/4 thread dimension helps match the valve to common gas pipe fittings without additional adapters.

This gas shut-off valve is a solid choice for installers and users looking for a dependable DN20 gas ball valve for residential systems. Packed with a barcode suitable for retail sale, it fits both professional gas installation projects and replacement of existing gas valves in standard 3/4" systems.

Items: KGMS21

Availability: IN STOCK

Price 12,78 € (10,56 € without VAT)

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Choosing parameters

:: plyn

Type:: Plynové kohouty

Pack:: 10 ks

:: MOP5 (5 bar) bar

:: Ano

:: 20

:: *W v obale s čárovým kódem pro maloobchodní prodej

:: Mosaz

:: Mosaz

:: PTFE

:: PTFE a těsnící O-kroužek NBR70

:: plyn

:: Ano

:: 3/4"

:: ŠM

:: motýlek

:: T2 (-20°C do 60°C) °C

:: Rp3/4-R3/4

:: 18.5

:: 51,5± 1

:: 71,7± 1

:: min.16,3/14

:: 42± 1

Documents for download

Declaration of conformity CZ Technický list-KGMS11 Technický list-KGMS21 Technický list-KGMS31 dimensions(jpg)

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Choosing parameters

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Documents for download