Olab - Testata

EXPANSIONTECH (44220-2)

2/2 WAYS SOLENOID EXPANSION VALVE WITH FAST LOCK A3-A2L CONNECTIONS, INTERCHANGEABLE ORIFICE, DRIVER POSSIBILITY, OLAB CERTIFIED 100% PFAS-FREE HNBR O.RING AND UL CERTIFIED 36MM COIL IN IP67 H CLASS

ECOSYSTEM
EXPANSIONTECH (44220-2)
UL IP 67 HNBR OLAB CERTIFIED

Category: A3-A2L SPECIALIST

Ways: 2/2

Notes:

  • PS: 52 BAR (753 psi)
  • TS: -40°C ÷ +100°C (-40°F ÷ +212°F)
  • 100% PFAS-FREE OLAB CERTIFIED HNBR O.R.
  • LOW-PFAS IMPACT COMPONENT

  • CERTIFICATIONS: IP 67, UL 207, UL 429

The EXPANSIONTECH Series (44220-2) is a normally closed 2/2-way solenoid expansion valve developed by OLAB for professional A3–A2L refrigeration systems. Equipped with Fast Lock A3-A2L connections, the valve eliminates the need for soldering, minimizing leakage risks and simplifying assembly.

Its PTFE sealing system combined with HNBR O-Rings 100% PFAS-FREE certified by OLAB ensures absolute tightness even under thermal and mechanical stress, while the AISI 304 stainless steel sleeve, laser-welded in OLAB’s dedicated facility, guarantees durability and long-lasting performance.


The interchangeable stainless steel DN insert is removable and reusable, allowing full compatibility with the complete range of DN sizes.
An internal stainless steel filter, fully inspectable, protects the circuit from even the smallest impurities, maintaining system cleanliness.

The 36 mm Class H (180°C) coil with double O-Ring provides outstanding insulation and thermal resistance, while the UL-certified IP67 protection rating ensures complete sealing from dust and temporary water immersion.


Each unit is individually tested with pure helium using advanced OLAB equipment. The laser marking of date and serial number certifies successful testing and provides lifetime traceability of performance data. The valve is rated for 52 bar (754 psi) and operates within a thermal range of –40?°C to +100?°C (–40?°F ÷ +212?°F). It is part of the OLAB LOW-PFAS IMPACT COMPONENTS product line.
 

Technical features:

  • 2/2 ways normally solenoid expansion valves
  • FastLock A3-A2L Connection – No Welding Required
  • Inspectable
  • PTFE seal and OLAB certified 100% PFAS FREE HNBR O.Ring
  • AISI 304 stainless steel sleeve
  • Yellow brass body
  • 36 mm 10000BHL ø14 coil, insulation class H (180°)
  • UL International certified IP67 protection class
  • Internal stainless steel filter
  • DN with stainless steel insert that can be disassembled, reassembled with the entire DN range available
  • Designed for professional A3-A2L refrigeration systems

COMPATIBLE A3–A2L REFRIGERANT GASES

HFC, HFO, and HFO/HFC blends: R404A, R407C, R410A, R507, R32, R134a (up to +125°C / 257°F).
HFO and HFO/HFC blends: R1234ze, R448A, R449A, R450A, R452A, R1234yf.
HC: R290, R600, R600a.

Products equipped with HNBR seals must not be installed on systems using HCFCs (R22) or any refrigerants mixed with mineral oils or alkylbenzene lubricants.

Our HNBR compound seals have been specifically designed and manufactured for compatibility with A3 and A2L refrigerant gases (as defined in ASHRAE Standard 34). However, due to the countless variables involved in real-world applications—such as pressure, temperature, and mixing ratios—an application-specific validation on the system is always required.

NO WELDING, NO LEAKAGE
Thanks to the Fast Lock A3-A2L connections.

DOUBLE HNBR O-RING, 100% PFAS-FREE, OLAB-CERTIFIED

Guaranteed sealing between both the body and the nozzle, and the body and the tube.

MAXIMUM COIL INSULATION

Achieved with the addition of two O-Rings, one on top and one below.

IP67

Engineered for maximum moisture protection and long-lasting durability.

INTERCHANGEABLE STAINLESS STEEL DN INSERT

Removable and reinstallable, compatible with the entire range of available DN sizes.

MAXIMUM CLEANLINESS

Thanks to the integrated (inspectable) filter, which blocks even the smallest impurities from entering the circuit.

AISI 304 STAINLESS STEEL SLEEVE

Laser-welded in-house at OLAB with a dedicated system, ensuring perfect welds for long-lasting performance and durability.

100% INDIVIDUAL HELIUM TESTING
Each valve is helium leak–tested in a modern facility, and laser-etched with its date and serial number. This certifies test success and ensures full traceability of performance data.