Danfoss 020B1012 Check Valve
The Danfoss 020B1012 Check Valve is a professional-grade 1/2" ODF NRV 12S component engineered for performance in liquid, suction, and hot gas lines. Designed to prevent backflow and ensure unidirectional refrigerant movement, this solder connection check valve is a direct replacement for the legacy Danfoss 020-101200. It features a built-in damping piston that permits installation in lines where pulsation may occur, such as discharge lines from the compressor. With a maximum working pressure of 667 psig (46 bar) and a broad temperature operating range of -60°F to 285°F, this valve is compatible with most HCFC, HFC, and HC refrigerants, including R410A and R134a. The optimized spring rate ensures a low pressure drop and reliable seating during low-flow conditions. For contractors maintaining HVACR systems, the 020B1012 provides a high-integrity seal with minimal maintenance requirements, ensuring system efficiency and preventing migration during the off-cycle.
- Universal Refrigerant Compatibility: Designed for use with high-pressure refrigerants including R410A, making it a versatile stock item for service vans.
- Damping Piston Design: The internal piston stabilizes the valve plate against pulsations, reducing mechanical wear and preventing noise in hot gas discharge lines.
- Direct Drop-in Replacement: Seamlessly replaces Danfoss 1/2 inch ODF check valves (020-101200) without requiring piping modifications.
- High-Temperature Resilience: Engineered to withstand extreme discharge temperatures, ensuring the NRV 12S valve maintains its seal even in demanding commercial applications.
Common HVACR Questions:
Can the Danfoss 020B1012 be installed in any orientation?
The NRV series is generally designed for horizontal or vertical installations, but when installed in a vertical pipe, the flow must be upwards to ensure the weight of the valve plate does not affect the opening characteristics.
What is the purpose of the damping piston in this NRV 12S model?
The damping piston prevents "chatter" or rapid oscillation of the valve seat when installed near a compressor where pressure pulses are high, significantly extending the service life of the internal components.
Is this check valve suitable for CO2 systems?
While compatible with many refrigerants, always verify the specific subcritical or transcritical pressure requirements; this model is rated for up to 46 bar (667 psig).
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.
Danfoss 020B1012 Check Valve
The Danfoss 020B1012 Check Valve is a professional-grade 1/2" ODF NRV 12S component engineered for performance in liquid, suction, and hot gas lines. Designed to prevent backflow and ensure unidirectional refrigerant movement, this solder connection check valve is a direct replacement for the legacy Danfoss 020-101200. It features a built-in damping piston that permits installation in lines where pulsation may occur, such as discharge lines from the compressor. With a maximum working pressure of 667 psig (46 bar) and a broad temperature operating range of -60°F to 285°F, this valve is compatible with most HCFC, HFC, and HC refrigerants, including R410A and R134a. The optimized spring rate ensures a low pressure drop and reliable seating during low-flow conditions. For contractors maintaining HVACR systems, the 020B1012 provides a high-integrity seal with minimal maintenance requirements, ensuring system efficiency and preventing migration during the off-cycle.
- Universal Refrigerant Compatibility: Designed for use with high-pressure refrigerants including R410A, making it a versatile stock item for service vans.
- Damping Piston Design: The internal piston stabilizes the valve plate against pulsations, reducing mechanical wear and preventing noise in hot gas discharge lines.
- Direct Drop-in Replacement: Seamlessly replaces Danfoss 1/2 inch ODF check valves (020-101200) without requiring piping modifications.
- High-Temperature Resilience: Engineered to withstand extreme discharge temperatures, ensuring the NRV 12S valve maintains its seal even in demanding commercial applications.
Common HVACR Questions:
Can the Danfoss 020B1012 be installed in any orientation?
The NRV series is generally designed for horizontal or vertical installations, but when installed in a vertical pipe, the flow must be upwards to ensure the weight of the valve plate does not affect the opening characteristics.
What is the purpose of the damping piston in this NRV 12S model?
The damping piston prevents "chatter" or rapid oscillation of the valve seat when installed near a compressor where pressure pulses are high, significantly extending the service life of the internal components.
Is this check valve suitable for CO2 systems?
While compatible with many refrigerants, always verify the specific subcritical or transcritical pressure requirements; this model is rated for up to 46 bar (667 psig).
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
Product Information
Shipping & Returns
Shipping & Returns
Description
The Danfoss 020B1012 Check Valve is a professional-grade 1/2" ODF NRV 12S component engineered for performance in liquid, suction, and hot gas lines. Designed to prevent backflow and ensure unidirectional refrigerant movement, this solder connection check valve is a direct replacement for the legacy Danfoss 020-101200. It features a built-in damping piston that permits installation in lines where pulsation may occur, such as discharge lines from the compressor. With a maximum working pressure of 667 psig (46 bar) and a broad temperature operating range of -60°F to 285°F, this valve is compatible with most HCFC, HFC, and HC refrigerants, including R410A and R134a. The optimized spring rate ensures a low pressure drop and reliable seating during low-flow conditions. For contractors maintaining HVACR systems, the 020B1012 provides a high-integrity seal with minimal maintenance requirements, ensuring system efficiency and preventing migration during the off-cycle.
- Universal Refrigerant Compatibility: Designed for use with high-pressure refrigerants including R410A, making it a versatile stock item for service vans.
- Damping Piston Design: The internal piston stabilizes the valve plate against pulsations, reducing mechanical wear and preventing noise in hot gas discharge lines.
- Direct Drop-in Replacement: Seamlessly replaces Danfoss 1/2 inch ODF check valves (020-101200) without requiring piping modifications.
- High-Temperature Resilience: Engineered to withstand extreme discharge temperatures, ensuring the NRV 12S valve maintains its seal even in demanding commercial applications.
Common HVACR Questions:
Can the Danfoss 020B1012 be installed in any orientation?
The NRV series is generally designed for horizontal or vertical installations, but when installed in a vertical pipe, the flow must be upwards to ensure the weight of the valve plate does not affect the opening characteristics.
What is the purpose of the damping piston in this NRV 12S model?
The damping piston prevents "chatter" or rapid oscillation of the valve seat when installed near a compressor where pressure pulses are high, significantly extending the service life of the internal components.
Is this check valve suitable for CO2 systems?
While compatible with many refrigerants, always verify the specific subcritical or transcritical pressure requirements; this model is rated for up to 46 bar (667 psig).
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.
