FDF-M Solenoid valve

Model:
Price:0US$

General

FDF is direct or servo operated solenoid valve for liquid,suction,and hot gas lines with fluorinated refrigerants.
 Details

Characteristics

           Complete range of solenoid valves for refrigeration, freezing and air conditioning plant.
           Supplied both normally closed (NC) and normally open (NO) with de-energized coils.
           Wide choices of coils for A.C. and D.C..
           Suitable for all fluorinated refrigerants.

           Opening Pressure Diff.:

Pilot type                     Direct-acting type
AC:0.05-21bar               AC:0.05-21bar   
DC:0.05-17bar               DC:0.05-17bar
           Max working pressure:30bar.
           Temperature of medium -25℃~105℃.
           FDF is also available with flange connections.
           Versions with UL and CUL approval can be supplied to order.

Operating principle

FDF-B、FDF-Z series solenoid valve is the direct-acting type. The pull of the solenoid coil opens the valve port directly by lifting the seat disc off the valve seat.While de-energized in the coil,plug stem will drop and close the valve port because of spring force and its weight.
FDF-M series solenoid valve is pilot type valve.
While energized in coil,the coil emerges magnetic field and pick up plug stem,open the small orifice.Then the pressure in the upside of valve reduced, the pressure difference between both side of diaphragm happen,cause the diaphragm lift  to open the main orifice. While de-energized in the coil,plug stem will drop and close the small orifice because of spring force and its weight.The flow medium enter into upside of diaphragm through throttle hole,then pressure in both side of diaphragm,balances,then the diaphragm drop and close the main orifice.

Technical data

 
Model
 
Connection size
 
Form of connect
(bar)
Opening diff pressure
 
Flow rate Kv(m3/h)
 
Available
medium
Temperature of media
 
Rated power
 
Dimensions (mm)
(NC)
(NO)
In
mm
AC
DC
L
W
H
L
W
H
FDF3BJ
1/4
6
 
ODF
 
:0.05-21
:0.05—17
 
 
 
:0.05-18
 :0.05—15
 
0.27
CFC
HCFC
HFC
 
 
≤4°E
-25—105
24
36
110
220
12
24
110
220
117
31
76
 
 
 
5/16
8
3/8
10
FDF6MJ
5/16
8
0.4
127
45
88
127
45
93
FDF8MJ
3/8
10
0.8
1/2
12
0.8
FDF10MJ
1/2
12
1.9
151
45
86
151
45
91
5/8
16
1.9
FDF13MJ
5/8
16
3.0
174
52
98
174
52
115
3/4
19
3.0
7/8
22
3.0
FDF16M1
3/4
19
4.5
190
58
98
190
58
115
FDF19M1
7/8
22
4.5
FDF19M2
7/8
22
5.0
230
72
108
230
72
125
FDF19M3
11/8
35
6.0
250
72
108
250
72
125
FDF19M4
9/8
28
6.0
FDF25MJ
9/8
28
9.8
236
72
116
236
72
133
11/8
35
9.8
FDF32MJ
11/8
35
15
281
86
130
281
86
147
13/8
42
15
FDF40M
13/8
42
 
:0.3-21
:0.3—17
 
 
:0.3-18
:0.3—15
 
25
 
322
126
158
322
126
171
17/8
54
FDF25MA
 
33
 
 
Flange
 
 
:0.05-21
:0.05—17
 
     
 
:0.05-18
 :0.05—15
 
9.8
152
112
165
152
112
182
FDF25MF
 
33
9.8
162
86
175
162
86
192
FDF32MA
 
38.8
15
162
112
175
162
112
192
FDF32MF
 
38.8
15
156
86
178
156
86
195
FDF3B
 
6
 
SAE
 
0.27
60
31
76
 
 
 
FDF6MB
 
8
0.4
85
45
85
85
45
90
FDF8MB
 
10
0.4
FDF10MBJ
 
12
0.8
87
45
85
87
45
90
FDF13MBJ
 
16
1.9
107
52
98
107
52
115
FDF16MBJ
 
19
4.5
128
72
108
128
72
125
FDF19MBJ
 
22
6
128
72
108
128
72
125
FDF2Z
ODM5/8
 
 
Right-angle welding
:0-25
 
0.16
63.5
30
132
 
 
 
FDF3Z
ODM5/8
 
0.27
63.5
30
85
 
 
 
 
Note:If there is “E”after model,it indicates hand lever; if “F”,it indeicates flange; if “A”,it indeicates waist flange;if “J”,it indeicates the improved type;if “B”,it indeicates the form of thread connection;if “K”,it indicates normally open;if “Z”,it indicates right angle.
Note:If you have special requirement,please contact us.
The Kv value is the water flow in m3/h at a pressure drop across valve of 1 bar,ρ=1000kg/ m3.
 
Rated liquid and suction vapour capacity is based on evaporating temperature te=-10℃,liquid temperature ahead of valve t1=+25℃,and pressure drop in valve △P=0.15 bar.
Rated hot gas capacity is based on condensing temperature tc=+40℃,pressure drop across valveΔP=0.8bar,hot gas temperature th=+65℃,and subcooling of refrigerant Δtsub=4K


 

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