EXN-B2K

SKU: 800421

Electrical control valves series EXN for heat pump and air conditioning applications.

Specifications

Refrigerants compatibilities: R-134a, R-407C, R-410A, R-32

Function: Expansion Valves

Connection size: 1/2 x 1/2" ODF

Capacity (Nominal): 50.6 kW

Performances given at conditions: 4°C evap. temp.; 38°C cond. temp.; 0 K subcooling; 0 bar system pressure drop; 100 % loaded for R32

MOPD: 36 bar

Flow direction: biflow

Coil options (not included): EXN-125

Features

Unipolar stepper motor
Bi-flow (same performance in both flow directions in term of capacity)
High MOPD: 40 (36 EXN) bar in normal flow direction
Removable coils in two versions: 12VDC/24VDC
Continuous modulation of mass flow, no stress (liquid hammering) in the refrigeration circuit
Linear flow
Resolution: 500 pulses (half steps) or 250 full steps
Hermetic design
Reliability: 225 millions pulses at continuous 40 bar differential pressure
EXL/EXM released for R290 (in non-explosive environment only)
PS: 45 bar, TS: -30...+70°C
No CE marking according art. 4.3 PED 2014/68/EU

Documents & Drawings