dmf3sdl7sm-rev0317
Model DMF3S Page 1
3" Flap Valve
DMF3S
Type 7
Air-Operated
Double Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
INTAKE/DISCHARGE PIPE SIZE
3"
(75mm) 150# ANSI FLANGE
CAPACITY
0 to 260 gallons per minute
(0 to 988 liters per minute)
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
Up to nearly 3"
(75mm)
HEADS UP TO
125 psi or 289 ft. of water
(8.8 Kg/cm
2
or 88 meters)
Quality System
ISO 9001 Certified
Environmental
Management System
ISO 14001 Certified
SANDPIPER
®
pumps are designed to be powered only by compressed air.
10
0
20
30
40
50
60
70
80
90
20
0
40
60
80 100 120 140 160 180 200 220 240 260
20(34) 40(68)
60(101.9)
80(135.9)
100(169.9)
100 PSI
80 PSI
60 PSI
40 PSI
100
0
100
200
300
400
500
600
700
800
900
1000
BAR
0
1
2
3
4
5
6
7
PSI
120(203.9)
20 PSI Air Inlet Pressure
Liters per minute
U.S. Gallons per minute
CAPACITY
AIR CONSUMPTION
SCFM (M
3
/hr)
HEAD
MODEL DMF3 Performance Curve
Performance based on the following: elastomer fitted pump, flooded suction,
water at ambient conditions. The use of other materials and varying hydraulic
conditions may result in deviations in excess of 5%.
II 2GD T5
See pages 15 & 16
for ATEX ratings
DR LLERS
S E R I E S
