68
Dixon Sanitary 2014
800.789.1718
Diaphragm Valves
DV23
Pneumatically Operated Valve DN 8-20 mm (3/8"-3/4")
Features
•
high cycle piston stainless steel actuator
•
compact design, the outside diameter of the actuator is the
same size as the bonnet flange
•
available in multiport bodies and manifold valve assemblies
•
control air connection in flow direction
•
circumferential, defined sealing angle between process
diaphragm and valve body
•
flexible diaphragm suspension
•
encapsulated diaphragm
•
clean and polished exterior design ideal for sterile
washdowns
Optional
•
available with a wide range of control equipment and
accessories, see pages 82-83, also for retrofitting
•
control air connection 90° to flow direction
•
autoclavable
Technical Data
•
control function: pneumatically operated
fail safe close (NC)
fail safe open (NO)
double acting (DA)
•
direction control connection:
90
° in flow direction, standard
90
° to flow direction, optional
•
maximum working pressure: unidirectional (delta p = 100%),
EPDM diaphragm 116 PSI (8 BAR), PTFE diaphragm 101
PSI (7 BAR), a higher working pressure may be achieved
with a different actuator
•
maximum working temperature: 320°F (160°C), dependent
on application
•
control pressure: NC: 60-101 PSI (4-7 BAR), NO, DA: 60-72
PSI (4-5 BAR)
•
diaphragm material: EPDM or PTFE
•
valve body material: forged 1.4435/316L ASME/BPE,
investment cast 1.4435/316L, other alloys
•
end connection: weld ends, clamps (see page 57), special
ends
•
actuators suitable for: two-way bodies, welded
configurations, T-bodies, multiport bodies, tank bottom
bodies
•
flow rate: C
v
in GPM, see page 57
•
diaphragm size: MA 10 all sizes
DV23
p
Ф
s
25
o49
3
G1/4
108
94
34
43
57
x52
F