DHB31 Series Diaphragm Pilot Operated, Water-hammer
3/8-1″ 2WAY N.C LOW POWER
Characteristic: 1. Special structure reduces the transient pressure to prevent water hammer phenomena which will protect the valve an pipe system.
2. Lifespan can be at 1 million cycles.
Medium: Water, air, oil, etc.
Temperature: NBR Seal: -10℃ to 80℃
EPDM Seal: -10℃ to 120℃
VITON Seal: -10℃ to 150℃
Pressure: DHB31: 0.3 ~ 16 bar N.C
Port Size: 3/8", 1/2", 3/4", 1"
Port Thread: G, BSP, NPT
Orifice (mm): 12, 15, 20, 25
Voltage: DC - 12V, 24V
AC - 24V, 120V, 240V/60HZ; 110V, 220V/50HZ
Tolerance: +/- 10%
Coils: SA11B, 9VA (AC), 6W (DC), IP65, 100%ED
S91B/H, 22VA (AC), 17W (DC), IP65, 100%ED
Special coils: EX coil AC 220 V, DC 24 V;
Latching coil. DC 6 ~ 24 V on request
NASS COIL 0543 is suitable for DHB11
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 - Stainless Steel 304
DHB31 Series Normally Closed, with Coil S91B, DIN
Valve Body
|
Orifice
|
Cv
|
Min Pressure(bar)
|
Max Pressure(bar)
|
Coil
|
AC(22VA)
|
DC(14W)
|
|
DHB3112 X X X
|
12
|
4.5
|
0.3
|
16
|
16
|
S91B
|
DHB3115 X X X
|
15
|
4.5
|
0.3
|
16
|
16
|
S91B
|
DHB3120 X X X
|
20
|
9.3
|
0.3
|
16
|
16
|
S91B
|
DHB3125 X X X
|
25
|
12
|
0.3
|
16
|
16
|
S91B
|