Belimo X8028M.1AA2A - two-way refrigerant control valve

Belimo X8028M.1AA2A

Two-way control valve for regulating the flow of HFC and HFO refrigerants. Suitable for A2L safety class refrigerants (ISO 817). The actuator provides fail-safe shut-off using SuperCap.

Key features

• Kvs: 1.2 m³/h; PN 50; permissible operating pressure ps: 5000 kPa; maximum differential pressure ∆pmax: 3500 kPa.
• Connection: female ODF 28-28 mm solder socket.
• Supply: AC/DC 24 V; modulating control, operating range Y: 0.5...10 V; feedback signal U: 0.5...10 V.
• Power consumption during operation: 2.5 W; in standby position: 0.5 W; for cable sizing: 5 VA.
• Motor running time: 15 s / 90°; safety function running time: 15 s / 90°.
• Medium temperature: -20...70°C; with ZCQ-E: 70...120°C. Ambient temperature: -30...50°C.
• Flow characteristic: equal percentage (VDI/VDE 2173); tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Body: Brass CW617N; closing element: Stainless steel AISI 316L.
• Connecting cable: 3 m, 4x 0.34 mm²; IEC/EN IP40 degree of protection; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
• Permitted mounting position: from vertical to horizontal relative to the stem; mounting with the stem pointing downwards is not permitted.