NRVA15/20-NRVA25/32D German Standard Check Valve
Contact Info
- Add:白云區(qū)機(jī)場路585號鵬景大廈1106-07, Zip:
- Contact: 柯先生
- Tel:020-36218410
- Email:178000208@qq.com
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Product Introduction of NRVA15/20-NRVA25/32D German Standard Check Valve
The NRVA type check valve can be used on liquid, suction, or hot gas pipelines of ammonia refrigeration and air conditioning units.
The NRVA can also be used in refrigeration systems with fluorinated refrigerants.
When the NRVA is used in liquid pipelines that may contain cold, thick oil or impurities, it is recommended to replace the standard spring in the NRVA with a special spring. For details, please refer to the ordering table.
■ Ensures accurate flow direction
■ Carbon steel valve body
■ Maximum working pressure of 40 bar
■ Flanges available with various welding interfaces (DIN, ANSI, SOC, SA, and FPT)
■ Equipped with a buffer piston, making the valve suitable for installation on pulsating pipelines, such as on the discharge pipe of a compressor
| Gross Weight | 0.26 kg |
| Net Weight | 0.21 kg |
| EAN | 5702422044123 |
| Cv Value [gal/min] | 6 gal/min |
| Kv Value [m3/h] | 5 m3/h |
| REACH Candidate List substances >0.1% | Lead (CAS no. 7439-92-1) |
| Product Name | Check Valve |
| Product Description | Check Valve Body |
| Product Series | Check Valve |
| Product Series Name | NRVA |
| Refrigerant(s) | R134a R22 R401A R402A R404A R407A R407B R407C R407F R409A R410A R421A R502 R717 R507A R1233zd(E) R1234yf R1234ze(E) R125 R152a R227ea R236fa R245fa R32 R407H R413A R417A R422A R422B R422D R438A R442A R444B R447A R447B R448A R449A R449B R450A R452A R452B R454A R454B R454C R455A R463A R512A R513A R513B R515A R515B R516A |
| Packaging Method | Multi-pack |
| Model | Valve Body |
| Remarks | Without Flange |
| Approvals | CE Certification EAC UKCA |
| More Information | Without Flange |
| Maximum Working Pressure [bar] | 40 bar |
| Maximum Working Pressure [psig] | 580 psig |
| Quantity per Package | 12 pc |
| Fluid Group | 1;2 |
| Temperature Range [°C] [Minimum] | -50 °C |
| Temperature Range [°C] [Maximum] | 140 °C |
| Temperature Range [°F] [Maximum] | 284 °F |
| Temperature Range [°F] [Minimum] | -58 °F |
| Used for Product | NRVA 15-20 |
| Catalog | Item 4, Part 3 |
| Industry Category | Machinery & Equipment/Valves/Instrument Valves |
|---|---|
| Product Category | |
| Brand: | Danfoss |
| Spec: | NRVA15/20，NRVA25/32 |
| Stock: | 100 |
| Manufacturer: | |
| Origin: | China / Tianjin / Wuqingqu |
