Caleffi 553640 1/2″ Automatic Filling Unit with Pressure Gauge
1/2" Automatic Filling Unit with Pressure Gauge - CALEFFI - 553640
Lime-resistant internal mechanism,
inspectable, with pressure setting indicator,
with manual control knob, filter and check valve
adjustable automatic filling unit.
Pressure setting range: 0.2–4 bar.
Max. inlet pressure: 16 bar.
Max. working temperature: 65°C.
Technical specifications
Materials
Body: brass EN 12165 CW617N
Cover: PA66GF30
Control pin: brass EN 12164 CW614N
Moving parts: brass EN 12164 CW614N
Seals: NBR
Filter: stainless steel
Performance
Maximum inlet pressure: 16 bar
Setting range: 0.2÷4 bar
Factory setting: 1.5 bar
Maximum working temperature: 65°C
Pressure gauge scale: 0÷4 bar
Filter mesh size Ø: 0.28 mm
Gauge accuracy: ±0.15 bar
Medium: water
Connections:
Inlet: 553540/640: 1/2” external thread with union (ISO 228-1)
553740/840: hose connection
Outlet: 1/2” F (ISO 228-1)
Pressure gauge connection: 1/4” internal thread (ISO 228-1)
