73
Dixon Sanitary 2014
800.789.1718
Diaphragm Valves
DV12 (1/2" - 4")
Pneumatically Operated Valve DN 15-100 mm
Features
•
thermoplastic diaphragm actuator with stainless steel
distance piece
•
control air connection 90° to flow direction
•
flexible diaphragm suspension
•
encapsulated diaphragm
Optional
•
available with a wide range of control equipment and
accessories, see pages 82-83, also for retrofitting
Technical Data
•
control function: pneumatically operated
fail safe close (NC)
fail safe open (NO)
double acting (DA)
•
direction control connection:
90
° to flow direction, standard
•
maximum working pressure: unidirectional (delta p = 100%),
a higher working pressure may be achieved with a different
actuator
•
maximum working temperature: 350°F (175°C), dependent
on application
•
control pressure:
NC:
DN 15-50, 65-87 PSI (4.5-6 BAR)
NC:
DN 65-80, 65-101 PSI (4.5-7 BAR)
NC:
DN 100, 80-101 PSI (5.5-7 BAR)
NO, DA DN 15-80, 60-80 PSI (4-5.5 BAR)
NO, DA DN 100, 72-93 PSI (5-6.5 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, multi port bodies, tank bottom
bodies
•
flow rate: C
v
in GPM, see page 57
•
diaphragm size: MA see table below
DN
(
mm)
Dimensions (mm)
MA L L
1
H
1
H
2
H
3
H
4
D
15-25 25 25 120 148 71 31 120 130
32-40 40 25 153 194 95 31 144 161
50 50 30 173 233 109 31 177 217
65 80 30 216 314 166 41 275 265
80 80 30 254 314 166 41 275 265
100 100 30 305 314 166 41 284 265
Diaphragm DN 15-50 (2") DN65-80 (2.5", 3")
DN100 (4")
EPDM 145PSI (10BAR) 101 PSI (7 BAR) 87 PSI (6 BAR)
PTFE 116 PSI (8 BAR) 87 PSI (6 BAR) 72 PSI (5 BAR)
DV12
p
Ф
s
L
1
L
oD
3
H
1
H
3
H
2
G1/4
G1/4
5
H
4
F