Product Description NRF(E) Expansion Valve for Refrigerator   General Characteristics Constant superheat adjusting performance. Evaporating temperature range: -40℃~+10℃. Can be supplied with MOP(Max operating pressure). Changeable inputing filter net. Suitable for R22, R134a, R407c, R404A/R507. Superheat adjusting Factory setting :superheat 3.5K,static superheat adjusting range is between 2~8K. Take off cap and turn adjusting stem .Turn adjusting stem clockwise one round ,reduces superheat 1.5K. Technical data  

R134a			R22			R407c			R404A/R507
(Model)		Nominal capacity (KW)	(Model)		Nominal capacity (KW)	(Model)		Nominal capacity (KW)	(Model)		Nominal capacity (KW)
NRF(E)	1/4M	0.88	NRF(E)	1/2H	1.76	NRF(E)	1/2N	1.76	NRF(E)	1/3S	1.17
	1/2M	1.76		1H	3.52		1N	3.52		2/3S	2.35
	1M	3.52		1-1/2H	5.28		1-1/2N	5.28		1S	3.52
	1-1/2M	5.28		2H	7.04		2N	7.04		1-1/2S	5.28
	2M	7.04		3H	10.56		3N	10.56		2S	7.04
	2-1/2M	8.80		4H	14.08		4N	14.08		3S	10.56
	3M	10.56		5H	17.60		5N	17.60		3-1/2S	12.32
	4M	12.32		6H	21.12		6N	21.12		4S	14.08
	5-1/2M	19.36		7-1/2H	26.40		7-1/2N	26.40		5S	17.60
	7-1/2M	26.40		10H	35.20		10N	35.20		7S	24.64
	9M	31.68		12H	42.24		12N	42.24		8-1/2S	29.92

  Note :Nominal capacity is based on evaporating temperature te=4.4℃, condensing temperature tc=40℃,and refrigerant temperature ahead of valve t1= 38℃   Dimensions    

A

B

C

D

E

F

G

H

Model

Connection size

mm

mm

mm

mm

mm

mm

mm

mm

External equalizer connection size

Capillary length

Inlet

Outlet

NRF(E) 1/2H

10 or 3/8

12 or 1/2

102

61

115

71

φ55

26

φ13

89

Φ6×1

1.5m

NRF(E) 1H

SAE

SAE

NRF(E)1-1/2H

1/4SAE

NRF(E) 2H,3H,4H

NRF(E) 5H

10 or 3/8

16 or 5/8

SAE

SAE

NRF(E)6H,7-1/2H

12 or 1/2

16 or 5/8

NRF(E) 10H

SAE

SAE

NRF(E) 12H

  Advantages   Company Information
  Production Flow   Certifications   FAQ   1.Q: What is your main market?    A: Our main market is north America, especially USA.   2.Q: Are you products standard?    A: Our model is standard, if you have specific demand, pls tell us.   3.Q: Do you have interest to do our own design items?    A: Absolutely! We have big interest. Packaging & Shipping   Packaging Detail:  NRF(E) Expansion Valve for Refrigerator normally closed Export cartons:31*25*21cm then into plastic pallet Delivery Detail:  15days after receiving deposit     Our Services   1)Our advantage:    We are the manufacturer with more than 60 years experience in valves. Best price,quality and service, Also we can control the production status.   Shanghai Thermostat team with strong ability in designing and after sell service. Cooperation with ALCO,Carrier, Johnson Controller has improved our quality to a new level.   2)Terms of payment: T/T, L/C, Western union. 3)Shipment: average 20-25days after receiving deposit. 4)Delivery:  Shanghai ,by sea or air. 5)Gurantee: One year since delivery. 6)Inspection: 100% testing for all the valves. 7) All kinds of CERTIFICATE OF ORIGIN.   Welcome to choose Shanghai Thermostat , we are always ready!