SERIES 44000

SOLENOID EXPANSION VALVES - REFRIGERANT FLUIDS HCFC-HFC-HFO-HC

SERIES 44000 SOLENOID EXPANSION VALVES - REFRIGERANT FLUIDS HCFC-HFC-HFO-HC

Category: ODF & SAE CONNECTIONS

Notes: PERFECT SEAL: O. Ring between the body and the nozzle and between the body and the sleeve
MAXIMUM INSULATION OF THE COIL: 2 O.Rings one upper and one lower AISI 304 stainless steel sleeve welded with dedicated laser system
100% TRACEABLE by date, serial number and lot which certify the passing of the test Excellent performance assembled with olab components: DRIVER, DISPLAY, TRANSDUCER, PROBE

The expansion valve is a lamination device that is interposed between the condenser and the evaporator. Inlet side, we find the liquid refrigerant, which by passing through the nozzle generates a pressure drop, before entering the evaporator. The opening / closing of the valve must be done by a programmable electronic device that regulates it according to the "PULSE WIDHT MODULATION" (PWM) method. The use of the electronic regulator allows you to optimize the overall performance of the machine, improving the evaporator performances when the load conditions vary.
  • SAFE SEALING, thanks to the O-rings installed between valve body and nozzle and between valve body and sleeve 
  • Perfect coil insulation guaranteed by the two O-ring seals, one at the top and one at the bottom 
  • Maximum cleanliness thanks to an accessible filter that prevents the minutest impurities from entering the circuit 
  • The AISI 303 steel sleeve welded at OLAB using a dedicated system to make precision welds that ensure maximum strength and durability over time
The solenoid expansion valve in the series 44000 are designed to be installed on refrigeration and air-conditioning system for domestic and industrial use. It’s possible to use them with all the refrigerant fluids of goup 2 of Art.13, Chapter 1, point A or B, of Euopean Directive 2014/68/EU, with reference to EC Regulation no. 1272/2008. Some typical applications are:
  • Refrigeration (refrigerated counters, supermarket displays, machines for making ice or ice cream)
  • Air conditioning systems 
  • Chiller
  • Heat pumps
The main components of the solenoid expansion valves in the series 44000 are: 
  • Brass body made of EN12165 CW617N 
  • AISI 303 stainless steel sleeve
  • AISI 303 stainless steel sealing insert
  • PTFE sealing gasket
  • Neoprene sealing O-ring (HNBR option for flammable fluids)
  • Ferromagnetic steel cores
  • AISI 303 stainless steel filter
  • AISI 302 stainless steel springs
  • Class H coils complete with moisture-proof seals
  • Copper pipes to UNI-EN12735/1-Cu-DHP
Before installing the expansion valve, make sure the refrigeration system is properly clean, though any impurities are intercepted by the filter mounted inside it. An excessive amount of impurities could partially of fully clog the filter, thus reducing its overall performance. The expansion valve can be mounted in all positions, though it is preferable to keep the axis at a right angle with the coil at the top. The direction of the arrow stamped on the valve body must coincide with the direction of flow of the fluid inside the system. Braze welding between the copper pipes and the valve body is performed using low-temperature melting alloys and the presence of seals requires the fitter to pay particular attention in avoiding to direct the flame towards the valve body and sealing areas in general.
DRIVER
DRIVER
DIPLAY
DIPLAY
TRASDUTTORE
TRASDUTTORE
SONDA
SONDA
10000BHL
10000BHL