PortSize

Orifice

Cv

Min Pressure

Max Pressure

Seals
Material

Body
Material

Valve Body

Coil

AC(22VA)

DC(14W)

3/8"

12

4.5

0. 03MPa

1. 6MPa

1.6MPa

NBR,
EPDM,
or VITON,

Brass, or
Stainless Steel

DHD1112 X X X

S21B/H

1/2"

15

4.5

0. 03MPa

1. 6MPa

1.6MPa

DHD1115 X X X

S21B/H

3/4"

20

9.3

0. 03MPa

1. 6MPa

1.6MPa

DHD1120 X X X

S21B/H

1"

25

12

0. 03MPa

1. 6MPa

1.6MPa

DHD1125 X X X

S21B/H

1 1/4"

32

24

0. 03MPa

1. 6MPa

1.6MPa

DHD1132 X X X

S21B/H

1 1/2"

40

29

0. 03MPa

1. 6MPa

1.6MPa

DHD1140 X X X

S21B/H

2"

50

48

0. 03MPa

1. 6MPa

1.6MPa

DHD1150 X X X

S21B/H

Characteristic :

 1.Pilot operated diaphragm construction with less power consumption for longtime working;         

2.Applied to pressure system opened from0.3bars;

3.Lifespan can be at 1 million cycles.

Medium : 

Air, Water, Steam, Oil, etc

Temperature: 

NBR Seal:14F to 176F , -10 to 80

EPDM Seal:14Fto250F ,-10 to 120

VITON Seal:14F to 300F, -10 to 150

PTFE Seal:-4Fto350F, -20 to 180

Pressure:

DHD21: 0.03  ~  1.0Mpa

PortSize:

3/8",1/2",3/4",1",1 1/4",1 1/2",2" 

PortThread:

BSPP ,BSPT ,NPT ,Flange, UNF, M8X1

Orifice(mm):

12,15,20,25,32,40,50

Voltage: 

DC-12V,24V

AC-24V,120V  240V@60HZ 110V,220V@50HZ

Tolerance:+/- 10%

Coils :

S91B/H, 17VA(AC), 10W(DC), IP65,100%ED

Special coils: 

EX coil  AC 220 V , DC 24 V;

Latching coil. DC 6 ~ 12 V on request

Equivalent code DHL11 series

NASS COIL 0543 is suitable for DHD21

Material: 

stainless steel

Seal -VITON,NBR,EPDM,PTFE

Armature Tube - Stainless Steel 304

Plunger - Stainless Steel 430F

Stop -SS430F

Springs - SS 304

Shading Rings - Stainless Steel 304