2W21 Diaphragm Direct Lifting, 3/8—2” 2WAY NC
Characteristic: 1. Direct lifting diaphragm construction
2. Open from zero bar for low pressure system use;
3. High frequency of flying lead coil.
Medium: Air, City Gas, Water, Oil, Petroleum, etc.
Temperature: NBR Seal: -10℃ to 80℃
EPDM Seal: -30℃ to 120℃
VITON Seal: -30℃ to 150℃
Pressure: 2W21: 0 ~ 10 bar N.C
Port Size: 3/8", 1/ 2", 3/4", 1", 1 1/4", 1 1/2", 2"
Port Thread: G, BSP, NPT, Flange
Orifice (mm): 12, 15, 20, 25, 32, 40, 50
Voltage: DC - 12V, 24V
AC - 24V, 120V, 240V/60Hz; 110V, 220V/50Hz
Tolerance: +/- 10%
Coils: Y32B, 40VA (AC), 18W (DC), IP65, 100%ED
Y42B, 50VA (AC), 20W (DC), IP65, 100%ED
S51B: 30VA (AC), 24W (DC), IP65, 100%ED
S91B: 22VA (AC), 17W (DC), IP65, 100%ED
SD01B: 28VA (AC), 36W (DC), IP65, 100%ED
Material: Body- Brass or Stainless Steel
Seal -NBR, EPDM or VITON
Armature Tube- Stainless Steel 304
Plunger- Stainless Steel 430F
Stop- Stainless Steel 430F
Springs- SS 304
Shading Rings- Copper
2W21 Normally Closed, with Coil S51B /SD01B/SD02B
Port Size
|
Orifice
|
Cv
|
Min Pressure(bar)
|
Max Pressure(bar)
|
Valve Body
|
Coil
|
AC(40VA)
|
DC(30W)
|
3/8"
|
12
|
4.5
|
0
|
10
|
10
|
2W2112 X X X
|
S51B
|
1/2"
|
15
|
4.5
|
0
|
10
|
10
|
2W2115 X X X
|
S51B
|
3/4"
|
20
|
9.3
|
0
|
10
|
10
|
2W2120 X X X
|
S51B
|
1"
|
25
|
12
|
0
|
10
|
10
|
2W2125 X X X
|
S51B
|
|
AC(35VA)
|
DC(35W)
|
|
1 1/4"
|
32
|
24
|
0
|
10
|
10
|
2W2132 X X X
|
SD01B
|
1 1/2"
|
40
|
29
|
0
|
10
|
10
|
2W2140 X X X
|
SD01B
|
2"
|
50
|
48
|
0
|
10
|
10
|
2W2150 X X X
|
SD01B
|
F1 1/4"
|
32
|
24
|
0
|
10
|
10
|
2W2132 X X X
|
SD01B
|
F1 1/2"
|
40
|
29
|
0
|
10
|
10
|
2W2140 X X X
|
SD01B
|
F2"
|
50
|
48
|
0
|
10
|
10
|
2W2150 X X X
|
SD01B
|