Danfoss 020B1052 NRV 12S 5/8" ODF Straight Solder Check Valve – 2.42 m³/h Kv, 49 bar

Danfoss NRV 12S (020B1052) is a check valve designed in straightway form with a 5/8 inch (16 mm) ODF solder connection. With a maximum working pressure of 49 bar and a Kv value of 2.42 m³/h, it provides one-way flow control in compact and medium-sized refrigeration systems. With its wide refrigerant compatibility and high temperature resistance, it is a long-lasting solution.

Technical Specifications

• Product Code: 020B1052
• Model: NRV 12S
• Connection Type: Solder (ODF)
• Connection Size: 5/8 inch (16 mm)
• Design: Straightway
• Flow Direction: One-way
• Kv Value: 2.42 m³/h
• Cv Value: 2.8 gal/min
• Min. Pressure Drop: 0.05 bar (0.7 psi)
• Min. Opening Pressure (ODP): 0.02 bar (0.29 psi)
• Max. Working Pressure: 49 bar (710 psi)
• Operating Temperature: -50 °C to +155 °C
• Body Material: Brass
• Connection Material: Copper
• Connection Note: Oversize
• 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: 0.105 kg
• Net Weight: 0.093 kg
• Volume: 0.152 liters
• EAN: 5702428571975

Applications

The NRV 12S (020B1052) is an ideal solution for preventing the backflow of liquid or gas in commercial refrigeration and air conditioning systems. Thanks to its compact design, it is easily installed in tight spaces. With its straight form and durable construction, it increases system performance and safety.