ERF Model ERF - ZHEJIANG HONGSEN MACHINERY CO.,LTD

ERF Model ERF

Product Description
Product Model
Technical Parameters

Product Description:

·Model ERF/FRFW thermal expansion valves are used to adjust the liquid refrigerant supply volume to the evaporator and they are suitable to various refrigerants and different charging condition. It meets the requirements of the cold storage facility, ice maker and dehumidifier as well as the refrigeration and air conditioning requirements under varied evaporation temperature.

Product Model:

Selection of Model (Common Refrigerants):

Refrigerant	Model	Pressure Balance	Thread(Connection Size)						Nominal Refrigerating Capacity
			Inlet		Outlet		Outside Balanced End		T	kW	kcal/h
			metric	inch	metric	inch	metric	inch	T	kW	kcal/h
R22	ERF22-Φ1.0	Inner Equilibrium(flare)	M16X1.5	3/8 SAE	M18X1.5	1/2 SAE	——	——	1.0	3.5	3024
	ERF22-Φ1.5								1.6	5.6	4840
	ERF22-Φ2.0								2.0	7.0	6048
	ERF22-Φ2.5								2.5	8.8	7560
	ERF22-Φ3.0								3.0	10.5	9072
	ERF22-Φ4.0								5.0	17.6	15120
	ERF22-Φ5.0				M22X1.5	5/8 SAE			6.0	21.0	18144
	ERF22-Φ6.0				5.0	17.6			7.5	26.0	22680
	ERF22-Φ7.0		M22X1.5	5/8 SAE	M22X1.5	5/8 SAE			8.5	29.9	25704
	ERF22-Φ8.0								12.0	42.2	36288
	ERF22-Φ9.0								15.0	52.7	45360
R134a	ERF22-Φ1.0		M16X1.5	3/8 SAE	M18X1.5	1/2 SAE	——	——	0.5	1.75	1510
	ERF22-Φ1.5								0.7	2.5	2116
	ERF22-Φ2.0								1.5	5.2	4500
	ERF22-Φ2.5								1.6	5.6	4838
	ERF22-Φ3.0								2.0	7.0	6048
	ERF22-Φ4.0								3.0	10.5	9072
	ERF22-Φ5.0				M22X1.5	5/8 SAE			5.0	17.6	15120
	ERF22-Φ7.0		M22X1.5	5/8 SAE	M22X1.5	5/8 SAE			6.5	22.9	19656
	ERF22-Φ9.0		M22X1.5	5/8 SAE	M22X1.5	5/8 SAE			11.0	38.7	33264
R22	ERF22-Φ1.0	Outer Equilibrium(flare)		3/8 SAE		1/2 SAE		1/4 SAE	1.0	3.5	3024
	ERF22-Φ1.5								1.6	5.6	4840
	ERF22-Φ2.0								2.0	7.0	6048
	ERF22-Φ2.5								2.5	8.8	7560
	ERF22-Φ3.0								3.0	10.5	9072
	ERF22-Φ4.0								5.0	17.6	15120
	ERF22-Φ5.0			1/2 SAE		5/8 SAE			6.0	21.0	18144
	ERF22-Φ6.0			1/2 SAE		5/8 SAE			7.5	26.5	22680
	ERF22-Φ7.0			5/8 SAE		5/8 SAE			8.5	29.9	25704
	ERF22-Φ8.0								12.0	42.2	36288
	ERF22-Φ9.0								15.0	52.7	45360
R134a	ERF22-Φ1.0			3/8 SAE		1/2 SAE			0.5	1.75	1510
	ERF22-Φ1.5								0.7	2.5	2116
	ERF22-Φ2.0								1.5	5.2	4500
	ERF22-Φ2.5								1.6	5.6	4838
	ERF22-Φ3.0								2.0	7.0	6048
	ERF22-Φ4.0								3.0	10.5	9072
	ERF22-Φ5.0			1/2 SAE		5/8 SAE			5.0	17.6	15120
	ERF22-Φ7.0			5/8 SAE		5/8 SAE			6.5	22.9	19656
	ERF22-Φ9.0			5/8 SAE		5/8 SAE			11.0	38.7	33264

·Working Condition of Nominal Refrigerating Capacity: Evaporation Temperature te = + 5℃; Condensation Temperature tK = +40℃; Degree of Superheat 2℃

Technical Parameters:

Applicable Refrigerants:	R22、R134a
Applicable Medium Temperature:	-40℃~+10℃
Norminal Capacity:	3.5KW~158KW
Adjustable Range of Superheat:	2℃~8℃
Ex-Works Static Heat Adjustment	3.5℃
Outer Equilibrium End Leakage:	≤75ml/min
Maximum Working Pressure:	2.0MPa
Maximum Testing Pressure:	3.0MPa

·Model ERF (ERFW) and FRF expansion valves have two types of connection: Flare and ODF.
·Model ERF (ERFW) and FRF expansion valves capillary standard 1.5 m, (φ10~ 13 is 3m ) and special length is available to meet customer requirement.

Structure:

Model ERF(metric flare)

1、air box head; 2、nut; 3、seal cap; 4、filter screen; 5、valve body; 6、value element; 7、adjustment spring; 8、adjustment nut; 9、adjustment seat; 10、valve stem; 11、bonnet; 12、seal ring; 13、O-ring; 14、gasket; 15、security belt; 16、metric nut; 17、seal cap; 18、drive rop

Model ERF(inch flare)