Belimo X8042M.3B3A3 - two-way expansion valve

Belimo X8042M.3B3A3 two-way expansion valve

Hermetically sealed expansion valve for capacity control in refrigeration and air-conditioning systems. Suitable for CFC, HFC, HFO and R290 refrigerants, as well as A3 safety class refrigerants (ISO 817).

Key features and specifications

• Kvs: 8 m³/h; PN: 50.
• Connection: internal ODF 42-42 mm solder connections.
• Supply: AC/DC 24 V; operating power consumption: 1.5 W; power for cable sizing: 2.6 VA.
• Control: bipolar stepper motor signals (4 wires) from the superheat controller; MP-Bus communication.
• Smartphone configuration using the xBALL Syncra App.
• Motor rotation time: 15 s / 90°.
• Differential pressure ∆pmax: 3500 kPa; permissible operating pressure ps: 5000 kPa.
• 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); flow characteristic: equal percentage (VDI/VDE 2173).
• IEC/EN IP54 degree of protection; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
• Body: Brass CW617N; closing element: Stainless steel AISI 316L.
• Mount from vertical to horizontal position relative to the spindle; do not install with the spindle pointing downwards.
• Maintenance-free valve; manual repositioning when the actuator is disconnected from the valve.

Selection for a specific application involving flammable refrigerants requires an individual assessment by the user. Cables are not included; use only Belimo Z-C24X3R.. cables.