Sporlan 903029P Valve
For service technicians managing air-cooled condensing units in cold climates, the Sporlan 903029P (Type LAC-5-180) is the industry standard for maintaining stable head pressure during low ambient conditions. This low ambient head pressure control valve features a 5/8" ODF connection and a factory-set 180 PSI operating point, ensuring that your refrigeration system cycle remains consistent even when outdoor temperatures plummet. By restricting liquid flow from the condenser and simultaneously modulating hot gas bypass to the receiver, the LAC-5-180 5/8"ODF 180# CONTROL prevents the dangerous drops in receiver pressure that lead to TEV starving and evaporator icing.
Constructed with a rugged brass body and high-integrity copper connections, this non-adjustable head pressure valve is designed for high-side installation in commercial refrigeration and air conditioning systems. The 903029P eliminates the need for complex multi-valve setups (like the ORI/ORD combination) by integrating the head pressure regulation into a single, compact component. Engineering for condenser pressure regulation, this valve ensures reliable oil return and proper refrigerant mass flow to the expansion device, protecting the compressor from long-term fatigue caused by low-pressure short-cycling.
Key Benefits for the Contractor- Optimized System Stability: Maintains a consistent 180 PSI head pressure to ensure the Thermostatic Expansion Valve (TEV) receives the required pressure differential for precise refrigerant metering.
- Streamlined Installation: Compact 3-way design with 5/8" ODF solder connections reduces leak points and saves time on the roof compared to traditional manifold setups.
- Broad Refrigerant Compatibility: Designed to perform reliably in systems using modern HFCs and HCFCs, supporting typical HVAC head pressure control applications.
- Durable Technical Build: Features a metal-to-metal seat and a domed steel element rated for a maximum working pressure of 450 PSIG.
How does this valve prevent evaporator icing in winter?
During low ambient operation, the Sporlan LAC-5-180 backs up liquid refrigerant into the condenser. This effectively reduces the condenser’s surface area and "artificiality" raises the condensing pressure back to the 180 PSI setpoint, ensuring the evaporator doesn't operate at too low a temperature.
Is this a direct replacement for an OROA-5 valve?
The LAC series is often used as an economical alternative to the OROA series. However, always verify your system’s total capacity and connection sizes (5/8" ODF for the 903029P) before swapping to ensure the valve can handle the peak discharge gas flow.
Should I install a check valve with this control?
Yes, it is standard practice to install a check valve in the drop leg between the LAC valve and the receiver. This prevents refrigerant migration from the receiver back to the condenser during the off-cycle, which is critical for smooth startups in cold weather.
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.
Sporlan 903029P Valve
For service technicians managing air-cooled condensing units in cold climates, the Sporlan 903029P (Type LAC-5-180) is the industry standard for maintaining stable head pressure during low ambient conditions. This low ambient head pressure control valve features a 5/8" ODF connection and a factory-set 180 PSI operating point, ensuring that your refrigeration system cycle remains consistent even when outdoor temperatures plummet. By restricting liquid flow from the condenser and simultaneously modulating hot gas bypass to the receiver, the LAC-5-180 5/8"ODF 180# CONTROL prevents the dangerous drops in receiver pressure that lead to TEV starving and evaporator icing.
Constructed with a rugged brass body and high-integrity copper connections, this non-adjustable head pressure valve is designed for high-side installation in commercial refrigeration and air conditioning systems. The 903029P eliminates the need for complex multi-valve setups (like the ORI/ORD combination) by integrating the head pressure regulation into a single, compact component. Engineering for condenser pressure regulation, this valve ensures reliable oil return and proper refrigerant mass flow to the expansion device, protecting the compressor from long-term fatigue caused by low-pressure short-cycling.
Key Benefits for the Contractor- Optimized System Stability: Maintains a consistent 180 PSI head pressure to ensure the Thermostatic Expansion Valve (TEV) receives the required pressure differential for precise refrigerant metering.
- Streamlined Installation: Compact 3-way design with 5/8" ODF solder connections reduces leak points and saves time on the roof compared to traditional manifold setups.
- Broad Refrigerant Compatibility: Designed to perform reliably in systems using modern HFCs and HCFCs, supporting typical HVAC head pressure control applications.
- Durable Technical Build: Features a metal-to-metal seat and a domed steel element rated for a maximum working pressure of 450 PSIG.
How does this valve prevent evaporator icing in winter?
During low ambient operation, the Sporlan LAC-5-180 backs up liquid refrigerant into the condenser. This effectively reduces the condenser’s surface area and "artificiality" raises the condensing pressure back to the 180 PSI setpoint, ensuring the evaporator doesn't operate at too low a temperature.
Is this a direct replacement for an OROA-5 valve?
The LAC series is often used as an economical alternative to the OROA series. However, always verify your system’s total capacity and connection sizes (5/8" ODF for the 903029P) before swapping to ensure the valve can handle the peak discharge gas flow.
Should I install a check valve with this control?
Yes, it is standard practice to install a check valve in the drop leg between the LAC valve and the receiver. This prevents refrigerant migration from the receiver back to the condenser during the off-cycle, which is critical for smooth startups in cold weather.
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.
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Description
For service technicians managing air-cooled condensing units in cold climates, the Sporlan 903029P (Type LAC-5-180) is the industry standard for maintaining stable head pressure during low ambient conditions. This low ambient head pressure control valve features a 5/8" ODF connection and a factory-set 180 PSI operating point, ensuring that your refrigeration system cycle remains consistent even when outdoor temperatures plummet. By restricting liquid flow from the condenser and simultaneously modulating hot gas bypass to the receiver, the LAC-5-180 5/8"ODF 180# CONTROL prevents the dangerous drops in receiver pressure that lead to TEV starving and evaporator icing.
Constructed with a rugged brass body and high-integrity copper connections, this non-adjustable head pressure valve is designed for high-side installation in commercial refrigeration and air conditioning systems. The 903029P eliminates the need for complex multi-valve setups (like the ORI/ORD combination) by integrating the head pressure regulation into a single, compact component. Engineering for condenser pressure regulation, this valve ensures reliable oil return and proper refrigerant mass flow to the expansion device, protecting the compressor from long-term fatigue caused by low-pressure short-cycling.
Key Benefits for the Contractor- Optimized System Stability: Maintains a consistent 180 PSI head pressure to ensure the Thermostatic Expansion Valve (TEV) receives the required pressure differential for precise refrigerant metering.
- Streamlined Installation: Compact 3-way design with 5/8" ODF solder connections reduces leak points and saves time on the roof compared to traditional manifold setups.
- Broad Refrigerant Compatibility: Designed to perform reliably in systems using modern HFCs and HCFCs, supporting typical HVAC head pressure control applications.
- Durable Technical Build: Features a metal-to-metal seat and a domed steel element rated for a maximum working pressure of 450 PSIG.
How does this valve prevent evaporator icing in winter?
During low ambient operation, the Sporlan LAC-5-180 backs up liquid refrigerant into the condenser. This effectively reduces the condenser’s surface area and "artificiality" raises the condensing pressure back to the 180 PSI setpoint, ensuring the evaporator doesn't operate at too low a temperature.
Is this a direct replacement for an OROA-5 valve?
The LAC series is often used as an economical alternative to the OROA series. However, always verify your system’s total capacity and connection sizes (5/8" ODF for the 903029P) before swapping to ensure the valve can handle the peak discharge gas flow.
Should I install a check valve with this control?
Yes, it is standard practice to install a check valve in the drop leg between the LAC valve and the receiver. This prevents refrigerant migration from the receiver back to the condenser during the off-cycle, which is critical for smooth startups in cold weather.
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.
