YORK 025-44027-000 Expansion Valve

025-44027-000 is the original part number of York (a brand under Johnson Controls). The standard description is Electronic Expansion Valve. The physical counterpart is Danfoss ETS 400 series (Danfoss order code 034G3500). It is a large cooling capacity throttling control component provided by York for medium and large-sized water chillers.
Main specifications: Interface 1-5/8" ODF brazed; The actuator is a bipolar stepper motor, 12 Vdc, 0.5 A, 6.0 W, two-phase full step, total steps 3810, full stroke 25.4 s (voltage drive) / 12.7 s (current drive); Maximum working pressure 34 bar (493 psig), forward opening pressure difference 33 bar, reverse 10 bar; Bidirectional balanced flow path, both flow directions have the same characteristics, during shutdown, it can be closely shut off by the solenoid valve and also serve as a stop valve to prevent high-pressure refrigerant from backflowing and impacting the compressor; Built-in sight glass, IP67, CE certification; Operating environment -40 to +60℃, refrigerant maximum +65℃; Compatible with R134a, R22, R404A, R507, R407C, etc. Standard operating conditions (R134a) rated cooling capacity approximately 1400 kW (400 ton level).