Danfoss 020B1132 NRD 12S 1/2" ODF Straightway Differential Pressure Valve – 2.42 m³/h Kv, 49 bar

Danfoss NRD 12S (020B1132) is a differential pressure valve with 1/2 inch (ODF) straightway connections. Operating with a minimum pressure difference of 1.4 bar in the system, this valve is rated up to 49 bar and delivers high performance in compact systems with a Kv value of 2.42 m³/h. Its piston design provides safe, quiet, maintenance-free and long-lasting operation.

Technical Specifications

• Product Code: 020B1132
• Model: NRD 12S
• Valve Type: Differential Pressure Valve
• Connection Type: Solder (ODF)
• Connection Size: 1/2 inch
• Design: Straightway
• Kv Value: 2.42 m³/h
• Cv Value: 2.8 gal/min
• Min. Opening Differential Pressure (ODP): 1.4 bar (20.3 psi)
• Min. Pressure Drop: 1.4 bar
• Max. Working Pressure: 49 bar (710 psi)
• Operating Temperature: -50 °C to +155 °C
• Body Material: Brass
• Connection Material: Copper
• Flow Indicator: On the product label
• Oil-Free Refrigerant Compatibility: Suitable

Compatible Refrigerants

• R1233zd(E), R1234yf, R1234ze(E), R1270, R134a, R170, R22, R290, R32
• R404A, R407A/C/F/H, R410A, R448A, R449A/B, R450A, R452A/B
• R454A/B/C, R455A, R507A, R513A, R515B, R516A, R600, R600a

Certificates and Compliance

• Approvals: CE, UL (C UL US LISTED), EAC
• PED Category: Article 4, Paragraph 3
• RoHS Compliance: EU and China RoHS (with exemption)
• SCIP Dossier No: 518b3853-2efc-40fc-8f8b-d06930d032bb

Physical Properties

• Gross Weight: 0.101 kg
• Net Weight: 0.089 kg
• Volume: 0.152 liter
• EAN: 5702428571876

Applications

NRD 12S (020B1132) is used especially in systems that require controlled passage of liquid and gas. Since it operates at a minimum pressure difference of 1.4 bar, it opens the flow path only when necessary, increasing system safety. An excellent solution for compact refrigeration and HVAC systems.