Belimo X8028M.2A3A4 - two-way expansion valve
Belimo X8028M.2A3A4 two-way expansion valve with integrated superheat controller, designed for CFC, HFC, HFO and R290 refrigerants, including A3 safety-class refrigerants (ISO 817). Connection: internal ODF solder socket 28-28 mm.
AC/DC 24 V supply, motor running time 20 s / 90°. The cooling capacity for this model is 200 kW under the R134a reference conditions: Tc = 50°C, Te = 5°C, SC = SH = 5 K.
Belimo X8028M.2A3A4 – expansion valve
Two-way expansion valve with integrated superheat controller. The technical data sheet specifies a Modbus or analogue 0...10 V feedback signal. The product description indicates MP-Bus communication.
Key features and specifications
- Pipe connection: internal ODF solder socket 28-28 mm.
- Cooling capacity: 200 kW for R134a at Tc = 50°C, Te = 5°C, SC = SH = 5 K.
- Refrigerants: CFC, HFC, HFO and R290; also suitable for A3 safety-class refrigerants (ISO 817).
- Nominal voltage: AC/DC 24 V; power consumption during operation: 1.5 W; sizing power for cable selection: 2.6 VA.
- Motor running time: 20 s / 90°.
- Permissible operating pressure ps: 5000 kPa; maximum differential pressure ∆pmax: 3500 kPa.
- Flow characteristic: equal percentage (VDI/VDE 2178); bubble-tight, leakage class A (EN 12266-1).
- Fluid temperature: -20...70°C [-4...158°F]; with ZCQ-E: 70...120°C [158...248°F]. Ambient temperature: -30...50°C [-22...122°F].
- IEC/EN protection rating IP54; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
- Body: CW617N brass; closing element: AISI 316L stainless steel.
- Mounting position: from vertical to horizontal relative to the stem; installation with the stem pointing downwards is not permitted.
Cables are not included with the product; the technical data sheet specifies using Belimo Z-C24X4.. cables only.
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ReferenceX8028M.2A3A4
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