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28mm Ball valve in hot forged brass to fill and drain solar thermal/heating/heat pump systems. Not a direct replacement for Pumpstations
One piece body with two side 3/4 hose union valaves with plug.
DN20, flow rate up to 70l/min.
Stem double O-ring seal system.
End thread 1 female to ISO228 (DIN259 BSP2779).
Supplied with insulating T handle.
Constant temperature 120degrees (short time temp. 160 degrees for 20s).
External connections 1 female x 1 female, 28mm for copper pipe with adapters.
KVS value : 17.0

Filling / Draining Valve

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