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Aquastrom FR Free-flow valve with flat sealing external thread, backflow preventer and drain bores G ¼ closed with plugs
DN 20, G 1, bronze

Extremely low-noise free-flow valve with integrated backflow preventer for potable water installations.

Y-pattern valve made of bronze, all parts coming into contact with the medium free from brass, with plastic handwheel, design according to DIN 3502. All functions accessible from the top. Maintenance-free spindle sealing by double O-ring. Draining facility within same plane as handwheel, therefore allowing pipes to be at close centres. The valves with drain bores can be retrofitted with a drain ball valve (accessory).

Sound insulation according to DIN EN ISO 3822: Product group I
No longer produced
Art.No.: 4202706
Výrobce: Oventrop GmbH & Co. KG
Subject to technical changes.


Rozměry výrobku

Délka Šířka Výška Hmotnost
125 mm 105 mm 50 mm 0,58 kg

Jednotky balení

Typ Množství Délka Šířka Výška Hmotnost


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ETIM 7.0 EC010058
Shut down valve (tap water)
Property Value
Surface protection Untreated
Material housing Bronze
Max. medium temperature (continuous) 95 °C
KIWA certified
With drain
Handle/hand wheel height 99.5 mm
Length of handle/diameter of hand wheel 50 mm
Spindle angle 45 °
Operation using hand wheel
With connection 1 coupling
With connection 2 coupling
Housing material Bronze
With drain possibility (connection)