Belimo X8042M.3BA2A - two-way control valve for refrigerants

Belimo X8042M.3BA2A – control valve

Two-way control valve designed to regulate the flow of HFC and HFO refrigerants. Suitable for A2L safety class refrigerants (ISO 817). The ball valve is operated by a rotary actuator and features the SuperCap emergency shut-off function.

Key features and specifications

• Kvs 8 m³/h; equal-percentage flow characteristic (VDI/VDE 2173).
• Connection: ODF 42-42 mm internal solder socket; length L 190 mm.
• PN 50; permissible operating pressure ps 5000 kPa; maximum differential pressure ∆pmax 3500 kPa.
• Supply: AC/DC 24 V; voltage range AC 19.2...28.8 V / DC 21.6...28.8 V.
• Modulating control: operating range Y 0.5...10 V; position feedback signal U 0.5...10 V.
• Motor running time and emergency shut-off time: 15 s / 90°.
• Power consumption: 2.5 W in operation, 0.5 W at rest; 5 VA for cable sizing.
• 3 m connection cable, 4x 0.34 mm²; degree of protection IEC/EN IP40; protection class IEC/EN III, Safety Extra-Low Voltage (SELV).
• Medium temperature -20...70°C [-4...158°F]; with ZCQ-E 70...120°C [158...248°F]. Ambient temperature -30...50°C [-22...122°F].
• Tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Body: CW617N brass; closing element: AISI 316L stainless steel.
• Installation from vertical to horizontal in relation to the stem; installation with the stem pointing downwards is not permitted.

When used with flammable refrigerants, the product's suitability must be assessed individually for the specific installation.