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DV74 Series UHP Diaphragm Valves
DV74 Series UHP Diaphragm Valves
Features
Suitable for ultra high purity applications
316L stainless steel enhances weldability and resistance to corrosion
Manual or pneumatic actuation are available
Face seal fittings (FSR) or butt welded connections
Internal springless design
Metal-to-metal seal minimizes particle generation and ensures high purity in the flow passages
Control knob includes a window indicating working status (i.e. open or closed)
100% Helium leak tested
Multiple flow paths available
Electropolished
Dimensions
Dimensions
Flow Type
Flow Type
Ordering Information
EX: SL
Body Material		 - DV74
Series		 M
Actuation		 H
Working Pressure		 B
Flow Path		 - VM4*
Inlet / Outlet Connection		 - NO
Options
SL: 316L DV74 M: Handwheel ( With display )
P: Pneumatic actuator
( normally closed )
 H: 3500 psi
L: 300 psi
 Blank: In-line Type
Elbow Type
P: Right in / top out
Q: Right in / bottom out
Three-way Valve
B: Right inlet, left / top outlet
C: Right inlet, left / bottom outlet
D: Right / top inlet, left outlet
E: Right inlet, top / bottom outlet
F: Top / bottom inlet, left outlet
H: Left / right inlet, top outlet
Four-way Valve
I: Two inlet / two outlet
J: One inlet / three outlet
K: Two inlet / two outlet ( elbow )
L: Three inlet / one outlet
Rear-entry Valve
A: Rear inlet / one outlet
T: Rear inlet / two outlet
R: Rear inlet / four outlet
Please refer to Flow Path Designator table above 		TW4, TW6,
VSM4, VSF4
......
Please contact
GENTEC for more information		 Blank: Standard (N/C)
NO: Normally open
( Pneumatic)

*：For standard models, if the high pressure (inlet) connections and low pressure (outlet) connections are same, only one is listed. If different, the prior represents inlet connection, and the latter represents outlet connection.


Industry application
Widely used in semiconductor industry More
Also applied to photovoltaic industry More
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