R147NY004 Pressure differential valve as featured on R557 Mixing Manifolds. Size: 3/4" x 3/4" To be installed on heating system with thermostatic valves.

Technical Data
• Max. temperature range: 120 °C
• Max. operating pressure: 1000 kPa (PN 10 bar)
• Max. di! erential pressure: 60 kPa (6 water gauge meters)
• Female threaded 3/4”
• Forged brass body UNI EN 12165 CW617N hot-pressed
• Seals in EPDM
• Stainless steel spring AISI 302
• ABS adjusting handle