67
Dixon Sanitary 2014
800.789.1718
Diaphragm Valves
DV20
Pneumatically Operated Valve DN 4-15 mm (¼" - ½")
Features
•
efficient thermoplastic piston actuator with stainless steel
distance piece
•
direction of control air connection is mountable in 90°
rotations
•
circumferential defined sealing angle between process
diaphragm and valve body
•
flexible diaphragm suspension
•
optical indicator
Optional
•
available with a wide range of control equipment and
accessories, see pages 82-83
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%)
EPDM diaphragm 116 PSI (8 BAR)
PTFE diaphragm 101 PSI, (7 BAR)
Higher working pressures 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: 50-65 PSI (3.5-4.5 BAR)
•
diaphragm material: EPDM or PTFE
•
valve body material: forged 1.4435/316L ASME/BPE,
investment cast 1.4435/316L, other alloys
•
end connection: butt 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 8 all sizes
DV20
p
Ф
s
20
57
x52
15
G1/4
72
34
91
G1/4
44
F