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DD-23
Features
1.Outstanding corrosion resistance achieved by adopting stainless steel
for major parts and body.
2. Significantly improved corrosion resistance with stainless-steel-made
body and trim parts.
3.Easy maintenance due to gasket made of PTFE
4. RoHS-compliant product
5. Various installation postures: Vertical or horizontal including
intermediates.
6. Equipped with coil of AC 100 / 200 V selective and common for
50 Hz / 60 Hz.
Specifications
|
Model DD-2 |
DD-2-8 |
DD-3 |
DD-3-8 |
|
Application |
Steam, Cold and hot water, Air,
N2 gas, CO2 gas, Ar gas, Oil |
Cold and hot water, Air, N2 gas,
CO2 gas, Ar gas, Oil |
|
Fluid viscosity |
20 cSt or below |
|
Working pressure |
0-0.15 MPa |
0-0.8 MPa |
0-0.15 MPa |
0-0.8 MPa |
|
Orifice (mm) |
9.5 |
4.0 |
9.5 |
4.0 |
|
Cv value |
1.7 |
0.55 |
1.7 |
0.55 |
|
Allowable valve seat leakage |
50 mL/min under standard conditions |
No leakage at the pressure gauge |
|
M ax. temperature |
175°C |
100°C |
|
Operation |
Normally closed |
|
Material |
Body |
Cast stainless steel (SCS14A) |
|
Plunger |
Stainless steel |
|
Valve disc |
PTFE |
FKM |
|
Connection |
JIS Rc screwed | Specification of Coil
|
Rated voltage |
AC 100 / 200 V 50 / 60 Hz Selective |
AC 110 / 220 V 50 / 60 Hz Selective |
|
Allowable fluctuation |
Rated voltage ± 10% |
|
Rated current |
0.42 / 0.21 A |
0.38 / 0.19 A |
|
Starting current |
1.10 / 0.55 A |
1.00 / 0.50 A |
|
Insulation class |
Insulation class H |
|
Protective structure |
Dust proof, Splash proof |
|
Ingress protection code |
IP64 (JIS C0920 |
|
Insulation resistance |
500 MΩ and more / 500Ｖ megger |
|
Withstand voltage test |
1500 V/min |
Dimensions (mm) and Weights (kg)
|
Nominal size |
d |
L |
H |
H1 |
Weight |
|
10A |
Rc 3/8 |
50 |
85.5 |
12 |
0.66 |
|
15A |
Rc 1/2 |
60 |
87.5 |
13 |
0.69 |
|
20A |
Rc 3/4 |
65 |
91 |
16.5 |
0.74 |
|
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