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DV90 Series UHP Diaphragm Valves
DV90 Series UHP Diaphragm Valves
Features
Suitable for high ultra purity applications
End connection: Face seal fittings ( FSR ) and butt welded
Internal spring-less design and metal-to-metal seal minimizes particle generation and ensures high purity in the flow passages
Cleaned and degreased for oxygen service according to CGA G-4.1 and ASTM G93 Class C, respectively
Long Service life
100% Helium-leak tested
Dimensions
Dimensions
Ordering Information
Cv Model Inlet / Outlet Connection Orifice A B C D
2.8
SL-DV90B-VSM8-E
SL-DV90-VSM8-E
SL-DV90B-VSF8-E
SL-DV90-VSF8-E
SL-DV90B-TW8-E
SL-DV90-TW8-E
SL-DV90B-TW12-E
SL-DV90-TW12-E
1/2" Face seal swivel male ( FSR fittings )
1/2" Face seal swivel male ( FSR fittings )
1/2" Face seal swivel female ( FSR fittings )
1/2" Face seal swivel female ( FSR fittings )
1/2" Butt-welded
1/2" Butt-welded
3/4" Butt-welded
3/4" Butt-welded
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
0.50 in. (12.7 mm)
5.61 in.(142.5 mm)
5.61 in.(142.5 mm)
5.61 in.(142.5 mm)
5.61 in.(142.5 mm)
8.78 in.(223.0 mm)
8.78 in.(223.0 mm)
8.78 in.(223.0 mm)
8.78 in.(223.0 mm)
1.67 in.(42.4 mm)
/
1.67 in.(42.4 mm)
/
1.67 in.(42.4 mm)
/
1.67 in.(42.4 mm)
/
0.92 in.(23.3 mm)
/
0.92 in.(23.3 mm)
/
0.92 in.(23.3 mm)
/
0.92 in.(23.3 mm)
/
1.83 in.(46.48 mm)
/
1.83 in.(46.48 mm)
/
1.83 in.(46.48 mm)
/
1.83 in.(46.48 mm)
/
EX: SL
Body Material
- DV90
Series
B
Options
- VSM8
Inlet / Outlet Connection*
- S1
Process Standard
SL: 316L DV90 ( Purge port, 1/4" FSR external threaded fitting )
None: No purge port
U: with inlet purge port
D: with outlet purge port
B: with both inlet and outlet purge port
VSM8: 1/2" Face seal swivel male ( FSR fittings )
VSF8: 1/2" Face seal swivel female ( FSR fittings )
TW8: 1/2" Butt weld
TW8: 3/4" Butt weld
......
Please contact GENTEC for more information
S1: UHP Process Standard
S2: Photovoltaic Process Standard

*: When the inlet and outlet connections are identical, only one code should be provided. If they differ, the first code corresponds to the inlet connection, while the second code is for the outlet connection.

IS: Electrical Indicator Switch for high pressure pneumatic actuator.