NRF/NRFE thermal expansion valve are integrated valves for freezing, air conditioning, commercial refrigeration and transportation A/C and refrigeration.
Specifications
Thermal Expansion Valve Feature:
1. Big refrigerating capacity could reach to 19 Tons
2. Wide range of evaporating temperature
A wide type of thermal expansion valve form Sanheng Refrigeration Manufacturer
Product Introduction
SHTDE(B) Series thermal expansion valve, which adopts the top class technic, is used for air-conditioner system, heat pump, auto air-conditioner, chiller, and traditional refrigeration system.
It is a throughway valve and is solder connected with refrigeration system.
SHTDE: One-way outfall type
Have K, AC and N series for different evaporating temperature range
Suited for R22, R134a and R407C
Packaging & Delivery
Packaging Details: Each product packed in single box, then pack in big carton box.
Delivery Detail: 20-25 Days
| Model | Equalization | Connection Type | Connection Inlet × Outlet | Equalization connection | Capillary Length(m) |
| inch | mm |
| SNRF-3 | Internal | SAE Flare | 3/8" × 1/2" | 10× 12 | 1/4" SAE (6mm) | 1.5 |
| SNRFE-3 | Externa |
| SNRF-5 | Internal | 3/8" × 5/8" | 10× 16 |
| SNRFE-5 | External |
| SNRF-7.5 | Internal | 1/2" × 5/8" | 12× 16 |
| SNRFE-7.5 | Externa |
| SNRF-10 | Internal |
| SNRFE-10 | External |
| SNRF-12 | Internal |
| SNRFE-12 | External |
Ordering Code
| Connection Type | Equalization | R22 | R134A | R407C | R404A/R507 | R410A |
| SAE Flare | Internal | SNRF-H | SNRF-M | SNRF-N | SNRF-S | SNRF-Z |
| Externa | SNRFE-H | SNRFE-M | SNRFE-N | SNRFE-S | SNRFE-Z |
Nominal Refrigerating Capacity
| Model | R22 | R134A | R407C | R404A/R507 |
| TR | KW | TR | KW | TR | KW | TR | KW |
| SNRF | 3 | 10.56 | 3 | 10.56 | 5 | 17.6 | 3.5 | 12.32 |
| SNRFE |
| SNRF | 5 | 17.60 | 4 | 12.32 | 6 | 21.12 | 4 | 14.08 |
| SNRFE |
| SNRF | 7.5 | 26.40 | 5.5 | 19.36 | 7.5 | 26.40 | 5 | 17.60 |
| SNREF |
| SNRF | 10 | 35.20 | 7.5 | 26.40 | 10 | 35.20 | 7 | 24.64 |
| SNRFE |
| SNRF | 12 | 42.24 | 9 | 31.68 | 12 | 142.24 | 8.5 | 29.92 |
| SNRFE |
Ningbo Sanheng Refrigeration Control Co., Ltd. is located at Xikou Industrial Zone, Ningbo City, Zhejiang Province. It is specializes in developing and manufacturing of refrigeration unit, refrigerated air dryer, Refrigeration Parts, Air Conditioner Parts and Auto A/C Parts, like refrigeration solenoid valves, thermal expansion valves, manifold gauge set, filter drier, ball valve, many kinds of expansion valve for Auto A/C and so on.
After decades of development, we have a profeeional refrigeration technology team with wealth of practical experience, self-developed special-purpose welding lines and unique testing equipment and advanced injection technologies. Meanwhile, we focus on improving the quality and stability of product, keep on investing in the introduction of various high-tech equipment, now we have a complete set of production equipment, such as high-precision CNC lathes, Automated assembly lines and so on. They help us to strictly control product quality and stability. Our company has passed ISO9001-2000 certificate and CE certificate.
Sanheng Company relies on the "Sanheng"spirit, i. e. "Quality Eternal, Service Eternal, and Prestige Eternal". We believe that we will make great contribution to refrigeration industry.
