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PRODUCTS
BLR/NRF/ NRFE Thermostatic Expansion Valves
General Description：
BLR/NRF/ NRFE series thermostatic expansion valve is a new designe, introduced from ALCO technology using various charge method suitable for the application of Freezer, ice maker, dehumidifier, etc.with wide temperature range.
Features ：
◆Constant super heat adjusting performance.
◆Evaporator temperature range:-40℃~+10℃
◆With MOP function
◆Filter strainer changeable
◆Suitable for R22、R502、R134a、R404A、R507
Technical Data ：
| R04A | R22 | R502 | R134a | Conection | Capillary Length | Type of equalizer | |||||||||
| Model | Norminal Capacity | Model | Norminal Capacity | Model | Norminal Capacity | Model | Norminal Capacity | Intet | Outlet | ||||||
| Internal equalizer | External equalizer | △P=0.41Mpa | Internal equalizer | External equalizer | △P=0.69Mpa | Internal equalizer | External equalizer | △P=0.69Mpa | Internal equalizer | External equalizer | △P=0.41Mpa | ||||
| BLR/NRF 1/4FS | BLR/NRFE 1/4FS | 0.88 | BLR/NRF 1/2H | BLR/NRFE 1/2H | 1.76 | BLR/NRF 1/4R | BLR/NRFE 1/4R | 0.88 | BLR/NRF 1/4M | BLR/NRFE 1/4M | 1.1 | φ10*1 SAE or ODF | φ12*1 SAE or ODF | 1.5m | Φ6*1 SAE |
| BLR/NRF 1/2FS | BLR/NRFE 1/2FS | 1.76 | BLR/NRF 1H | BLR/NRFE 1H | 3.52 | BLR/NRF 1/2R | BLR/NRFE 1/2R | 1.76 | BLR/NRF 1/2M | BLR/NRFE 1/2M | 2.2 | ||||
| BLR/NRF 1FS | BLR/NRFE 1FS | 3.52 | BLR/NRF 1-1/2H | BLR/NRFE 1-1/2H | 5.28 | BLR/NRF 1R | BLR/NRFE 1R | 3.52 | BLR/NRF 1M | BLR/NRFE 1M | 4.4 | ||||
| BLR/NRF 1-1/2FS | BLR/NRFE 1-1/2FS | 5.28 | BLR/NRF 2H | BLR/NRFE 2H | 7.03 | BLR/NRF 1-1/2R | BLR/NRFE 1-1/2R | 5.28 | BLR/NRF 1-1/2M | BLR/NRFE 1-1/2M | 6.6 | ||||
| BLR/NRF 2FS | BLR/NRFE 2FS | 7.03 | BLR/NRF 3H | BLR/NRFE 3H | 10.55 | BLR/NRF 2R | BLR/NRFE 2R | 7.03 | BLR/NRF 2M | BLR/NRFE 2M | 8.8 | ||||
| BLR/NRF 3FS | BLR/NRFE 3FS | 10.55 | BLR/NRF 5H | BLR/NRFE 5H | 17.58 | BLR/NRF 3R | BLR/NRFE 3R | 10.55 | BLR/NRF 3M | BLR/NRFE 3M | 13.2 | ||||
| BLR/NRF 4FS | BLR/NRFE 4FS | 14 | BLR/NRF 7-1/2H | BLR/NRFE 7-1/2H | 26.3 | BLR/NRF 4-1/2R | BLR/NRFE 4-1/2R | 15.8 | BLR/NRF 5-1/2M | BLR/NRFE 5-1/2M | 19.3 | Φ12*1 | Φ16*1.5 | ||
| BLR/NRF 6-1/2FS | BLR/NRFE 6-1/2FS | 22.8 | BLR/NRF 10H | BLR/NRFE 10H | 35 | BLR/NRF 7R | BLR/NRFE 7R | 24.5 | BLR/NRF 7-1/2M | BLR/NRFE 7-1/2M | 26.3 | ||||
| BLR/NRF 7-1/2FS | BLR/NRFE 7-1/2FS | 26.3 | BLR/NRF 12H | BLR/NRFE 12H | 42 | BLR/NRF 8R | BLR/NRFE 8R | 28 | BLR/NRF 9R | BLR/NRFE 9R | 31.5 | ||||
Super-heat adjusting：
Take off cap and turn adjusting stem. Turn adjusting stem clockwise one round,increases super-heat 1.5℃.turn adjusting stem counter clockwise one round, reduces super-heat1.5℃.Set super-heat3.5℃ when exit factory.Static super-heat adjusting range is 2~8℃.
Installation ：
Valve inlet connects with receiver and outlet contects with the inlet of evaporator.Bulb should be equiped outlet of evaporator sense correct superheat.External equalization tube connects at the top side of suction line close the bulb.
Production site:
