Danfoss NRVA 20 020-2001 Check Valve

Brand: Danfoss  
Model: NRVA 20  
Type: Check Valve  
Part Number: 020-2001  

Technical Specs:  
- Valve Type: Piston-type check valve, non-return  
- Connection Size: 20 mm (3/4 in)  
- Connection Type: Butt weld  
- Connection Standard: EN 10220  
- Body Material: Steel (suitable for low temperatures)  
- Piston Material: Not specified 
- Maximum Working Pressure: 40 bar 
- Temperature Range: -50°C to +140°C 
- Refrigerants: HCFC, HFC, R717 (ammonia); flammable hydrocarbons not recommended  
- Flow Direction: Unidirectional 
- Additional Features:  
  - Damping piston to handle pulsations (e.g., in compressor discharge lines)  
  - Classified for Fluid Group 1, Category II  
  - Recommended for closed circuits only  
- Certifications: DNV, CRN, BV, EAC, CE 

Dimension:  
- Connection Size: 20 mm 

- Overall Dimensions: 120 x 80 x 40mm

Weight: 1 kg

Country of Origin: Denmark

HS Code: 8481.30