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Aquastrom UP-KFR Combined flush-mounted free-flow and backflow preventer
DN 20, both ports female thread, with protection/operating cap, bronze

Aquastrom UP-KFR flush-mounted free-flow valve 

For potable water installations. Straight seat version made of bronze with plaster sleeve and protection cap. Maintenance-free KFR valve insert with non-rising spindle completely made of bronze with double O-ring seal, without dead space.

Can be converted to an F valve with a free-flow valve insert or to a thermostatic valve for circulation systems acccording to DVGW - W551 with a circulation module. 

Sound insulation according to DIN EN ISO 3822: Product group I

Insulation shells made of EPS according to the Energy Saving Ordinance EnEV, fire protection class B1.

DVGW certified.

Both sides internal thread according to EN 10226-1.


Material: Bronze
Size: DN 15
Item no.: 4221106
Manufacturer: Oventrop GmbH & Co. KG
Subject to technical changes.
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