Product Made In Japan
Manufacturer: IHARA SCIENCE CORPORATION
Model: DVEK Series
Features
DVEK Series valves are metal diaphragm seal valves for high pressure with excellent cost performance, developed to contribute to energy and resource conservation which is becoming a major assignment in recent days.
- A Diaphragm made of Ni-Co alloy is installed. Realized high airtightness and high durability.
Parts contact with fluid are precisely rinsed and treated oil-free.
Assembled and packaged in a clean room.
Minister certification, Type N-valves
Specifications
| Nominal Size |
1/4″ |
| Work Pressure |
Vac.-16.2MPa |
| Work Temp. |
-10—+80°C |
| Cv value |
0.1 |
| Connection(※1) |
VTF(Metal Gaskrt Seal）
BI-Lok（Double ferrule fitting） |
| Weight(※2) |
485g |
| Inner volume(※3) |
1.2cc |
| Durability(※4) |
^400,000 times |
(※1) Other connection types available. Inquire us.
(※2) VTF connection (male). Differ from connection・size.
(※3) Value at VTF male connection・valve open
(※4) Test result under sealed with N2 gas of 16.2MPa.
Material of Main parts
DVEK – ① ② – ③ – ④
Ex） DVEK – 4VM – NC – EP [1/4″VTF Male connection, Automatic Valve Normal close, Electro-polising]
②
|
| Code |
Connec t’n |
| VM |
VTF(M) |
| VF |
VTF(F) |
| D |
BI-Lok |
③
|
| Code |
Actuation |
| NC |
Normal Close |
④
|
| Code |
Inner Finishing |
| EP |
Electro-polising(Less Ra0.18) |
| BA |
v1echanical-polising(Less Ra0.8^ |
Table of Dimemsions
 |
 |
| VTF(Male) (mm) |
| Type |
Size |
L |
| DVEK-4VM |
1/4″ |
58 |
|
 |
| VTF(Female) (mm) |
| Type |
Size |
L |
| DVEK-4VF |
1/4″ |
70.6 |
|
 |
| [3I-Lok (mm) |
| Type |
Size |
L |
| DVEK-4D |
1/4″ |
64 |
|
