Description
Danfoss 067N2156 Thermal Expansion Valve (Type TGEX 10) Overview
The Danfoss 067N2156 is a high-performance Thermal Expansion Valve (TXV) engineered for reliable refrigerant metering in commercial and light-industrial HVAC and refrigeration systems. Designed under Danfoss’s proven TGEX 10 series, this externally equalized valve delivers precise superheat control across a wide range of operating conditions.
Key Specifications
- Model / Type: TGEX 10 (Externally Equalized)
- SKU: 067N2156
- Inlet Connection: 5/8″ ODF (Liquid Line)
- Outlet Connection: 7/8″ ODF (Evaporator)
- Body Style: Straight Body
- Capillary Tube Length: 60 inches
- Compatible Refrigerants: R22 / R407C
- Nominal Capacity: 7-1/2 Ton
- Maximum Operating Pressure (MOP): 667 PSI
- Orifice Number: #8
- Equalization Type: External
- Includes: Bulb strap for secure sensing bulb mounting
Product Features & Benefits
- Externally Equalized Design: Compensates for evaporator pressure drop, ensuring accurate superheat control in longer or multi-circuit evaporators
- High MOP Rating (667 PSI): Protects the compressor from high suction pressure during startup and pull-down, extending system life
- Dual Refrigerant Compatibility: Factory-rated for both R22 and R407C, making it suitable for new installations and retrofit applications
- Straight Body Configuration: Simplifies installation in tight piping layouts with direct inline flow
- 60″ Capillary Tube: Provides flexible sensing bulb placement for optimal thermal sensing
- Number 8 Orifice: Precisely sized for 7-1/2 ton capacity applications
- Included Bulb Strap: Ensures firm, thermally conductive contact between the sensing bulb and suction line
- Danfoss Quality: Built to the exacting standards of a global leader in refrigeration and HVAC controls
Typical Applications
- Commercial air conditioning systems (R22 / R407C)
- Rooftop units and split systems up to 7-1/2 ton capacity
- Refrigeration systems requiring external equalization
- R22 to R407C retrofit projects
Why Choose the Danfoss TGEX 10 Series?
Danfoss TXVs are trusted by HVAC professionals worldwide for their consistent superheat regulation, robust construction, and compatibility with industry-standard refrigerants. The TGEX 10 series is specifically engineered for demanding commercial applications where stable evaporator performance and compressor protection are critical.
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