Liebert 191053P2 Expansion Valve
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Liebert 191053P2 Expansion Valve

Liebert 191053P2 Expansion Valve

The Liebert 191053P2 Expansion Valve is a critical OEM metering device engineered for precision refrigerant flow management in high-performance cooling environments. Designed specifically for data center cooling and mission-critical Liebert HVAC units, this externally equalized valve ensures the evaporator maintains an optimal superheat setpoint. By dynamically adjusting the liquid refrigerant feed based on the heat load, it prevents liquid slugging at the compressor while maximizing thermal exchange efficiency. HVAC contractors rely on the 191053P2 for its robust construction and direct compatibility with Vertiv/Liebert systems, including the Mini-Mate and DS series. Whether you are performing a routine expansion valve replacement or troubleshooting a refrigerant flow control issue in a server room, this genuine component provides the reliability needed for 24/7 operations. It is essential for maintaining the tight temperature and humidity tolerances required by sensitive electronic equipment, ensuring your precision cooling system operates at peak energy efficiency without premature hardware fatigue.

  • Precise Superheat Control: Optimizes refrigerant flow to the evaporator to maintain stable discharge temperatures.
  • Direct OEM Compatibility: Engineered as a drop-in replacement for Liebert and Vertiv precision cooling systems.
  • Enhanced System Protection: Prevents unevaporated liquid refrigerant from entering the compressor suction line.
  • High-Durability Design: Built to withstand the rigorous demands of continuous data center and laboratory environments.
  • Increased Energy Efficiency: Ensures the cooling coil operates at maximum capacity relative to the sensible heat load.
Common Questions

What are the signs that a Liebert expansion valve needs replacement?
Technicians often observe erratic suction pressures, frosting at the evaporator inlet, or the inability to maintain a consistent superheat. If the valve remains stuck closed, you may see low suction pressure and a starved evaporator; if stuck open, high suction pressure and liquid floodback are common risks.

Is the 191053P2 compatible with R-22 and R-407C systems?
Compatibility depends on the specific pressure rating and charge of the power assembly. While many legacy Liebert systems utilized R-22, modern retrofits may use R-407C. You must verify that the refrigerant type matches the valve specifications to ensure accurate orifice sizing and superheat response.

Does this valve come with an external equalizer line?
Yes, as an externally equalized valve, it accounts for the pressure drop across the evaporator coil, providing more accurate control than internally equalized models, especially in high-capacity precision units.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$190.76
Liebert 191053P2 Expansion Valve
$190.76

Liebert 191053P2 Expansion Valve

The Liebert 191053P2 Expansion Valve is a critical OEM metering device engineered for precision refrigerant flow management in high-performance cooling environments. Designed specifically for data center cooling and mission-critical Liebert HVAC units, this externally equalized valve ensures the evaporator maintains an optimal superheat setpoint. By dynamically adjusting the liquid refrigerant feed based on the heat load, it prevents liquid slugging at the compressor while maximizing thermal exchange efficiency. HVAC contractors rely on the 191053P2 for its robust construction and direct compatibility with Vertiv/Liebert systems, including the Mini-Mate and DS series. Whether you are performing a routine expansion valve replacement or troubleshooting a refrigerant flow control issue in a server room, this genuine component provides the reliability needed for 24/7 operations. It is essential for maintaining the tight temperature and humidity tolerances required by sensitive electronic equipment, ensuring your precision cooling system operates at peak energy efficiency without premature hardware fatigue.

  • Precise Superheat Control: Optimizes refrigerant flow to the evaporator to maintain stable discharge temperatures.
  • Direct OEM Compatibility: Engineered as a drop-in replacement for Liebert and Vertiv precision cooling systems.
  • Enhanced System Protection: Prevents unevaporated liquid refrigerant from entering the compressor suction line.
  • High-Durability Design: Built to withstand the rigorous demands of continuous data center and laboratory environments.
  • Increased Energy Efficiency: Ensures the cooling coil operates at maximum capacity relative to the sensible heat load.
Common Questions

What are the signs that a Liebert expansion valve needs replacement?
Technicians often observe erratic suction pressures, frosting at the evaporator inlet, or the inability to maintain a consistent superheat. If the valve remains stuck closed, you may see low suction pressure and a starved evaporator; if stuck open, high suction pressure and liquid floodback are common risks.

Is the 191053P2 compatible with R-22 and R-407C systems?
Compatibility depends on the specific pressure rating and charge of the power assembly. While many legacy Liebert systems utilized R-22, modern retrofits may use R-407C. You must verify that the refrigerant type matches the valve specifications to ensure accurate orifice sizing and superheat response.

Does this valve come with an external equalizer line?
Yes, as an externally equalized valve, it accounts for the pressure drop across the evaporator coil, providing more accurate control than internally equalized models, especially in high-capacity precision units.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

The Liebert 191053P2 Expansion Valve is a critical OEM metering device engineered for precision refrigerant flow management in high-performance cooling environments. Designed specifically for data center cooling and mission-critical Liebert HVAC units, this externally equalized valve ensures the evaporator maintains an optimal superheat setpoint. By dynamically adjusting the liquid refrigerant feed based on the heat load, it prevents liquid slugging at the compressor while maximizing thermal exchange efficiency. HVAC contractors rely on the 191053P2 for its robust construction and direct compatibility with Vertiv/Liebert systems, including the Mini-Mate and DS series. Whether you are performing a routine expansion valve replacement or troubleshooting a refrigerant flow control issue in a server room, this genuine component provides the reliability needed for 24/7 operations. It is essential for maintaining the tight temperature and humidity tolerances required by sensitive electronic equipment, ensuring your precision cooling system operates at peak energy efficiency without premature hardware fatigue.

  • Precise Superheat Control: Optimizes refrigerant flow to the evaporator to maintain stable discharge temperatures.
  • Direct OEM Compatibility: Engineered as a drop-in replacement for Liebert and Vertiv precision cooling systems.
  • Enhanced System Protection: Prevents unevaporated liquid refrigerant from entering the compressor suction line.
  • High-Durability Design: Built to withstand the rigorous demands of continuous data center and laboratory environments.
  • Increased Energy Efficiency: Ensures the cooling coil operates at maximum capacity relative to the sensible heat load.
Common Questions

What are the signs that a Liebert expansion valve needs replacement?
Technicians often observe erratic suction pressures, frosting at the evaporator inlet, or the inability to maintain a consistent superheat. If the valve remains stuck closed, you may see low suction pressure and a starved evaporator; if stuck open, high suction pressure and liquid floodback are common risks.

Is the 191053P2 compatible with R-22 and R-407C systems?
Compatibility depends on the specific pressure rating and charge of the power assembly. While many legacy Liebert systems utilized R-22, modern retrofits may use R-407C. You must verify that the refrigerant type matches the valve specifications to ensure accurate orifice sizing and superheat response.

Does this valve come with an external equalizer line?
Yes, as an externally equalized valve, it accounts for the pressure drop across the evaporator coil, providing more accurate control than internally equalized models, especially in high-capacity precision units.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.