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