Belimo X8028M.2AA2A - two-way refrigerant control valve

Belimo X8028M.2AA2A

Two-way control valve with rotary actuator, designed to regulate refrigerant flow. Suitable for HFC and HFO refrigerants and A2L safety-class refrigerants (ISO 817). The emergency shut-off function uses SuperCap.

Key features and specifications

• Kvs: 4.8 m³/h; flow characteristic: equal percentage (VDI/VDE 2173).
• Connection: internal ODF 28-28 mm solder sleeve; PN 50.
• Permissible operating pressure ps: 5000 kPa; maximum differential pressure ∆pmax: 3500 kPa.
• Power supply: AC/DC 24 V; power consumption during operation 2.5 W, at rest 0.5 W; for cable sizing 5 VA.
• Modulating control: Y signal range 0.5...10 V; feedback signal U 0.5...10 V.
• Motor running time and emergency function operating time: 15 s / 90°.
• Electrical connection: 3 m cable, 4x 0.34 mm²; IEC/EN IP40 degree of protection; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
• Ambient temperature: -30...50°C [-22...122°F]; medium temperature: -20...70°C [-4...158°F], with ZCQ-E 70...120°C [158...248°F].
• Tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Body: CW617N brass; closing element: AISI 316L stainless steel.
• Permissible mounting position: from vertical to horizontal relative to the stem; mounting with the stem pointing downwards is not permitted.
• Product weight: 0.67 kg.