4 port threaded unit valves for regulation of heating zones, air secondary-treatment units and fan coil units.
Description
Specifications
Technical Documentation
Description
Features
• Flat-sealing standard version or version with clamping-ring screw fitting for pipe Ø 15 mm with DN 10
• Valve with male thread as per DIN/EN ISO 228-1, class B
• Special model for fan coil units with cast-on by-pass T-piece
• Control passage A–AB is closed when the spindle is moved in
• Can be used as a control valve and, thanks to its tight-sealing third passage, as a distribution valve
• Nickel-plated valve body of cast brass
• Plug with EPDM soft seal for control passage and mixing passage
• Stainless-steel spindle
• Stuffing box with double O-ring seal
