User guide

hdf3mdl2sm-rev1110 Model HDF3-M & HDF4-M Page 1
Heavy Duty Flap Valve
HDF3-M
HDF4-M
Type 2
Air-Operated
Double Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
INTAKE/DISCHARGE PIPE SIZE
HDF3-M: 3" 150# ANSI Flange
HDF4-M: 4" 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
ISO9001 Certied
Environmental
Management System
ISO14001 Certied
SANDPIPER
®
pumps are designed to be powered only by compressed air.
II 2GD T5


U.S. Gallons per minute
10
0
0
20
30
40
50
60
70
80
90
100
20
40
60
80
100
120
140
160
180
200 220
240 260
20(34)
60 PSI
40 PSI
40(68)
60(101.9)
80(135.9)
100(169.9)
120(203.9)
140(237.9)
160(271.8)
180(305.8)
20 PSI Air Inlet Pressure
100 PSI
80 PSI
Liters per minute
CAPACITY
0 100 200 300 400 500 600 700 800 900 1000
AIR CONSUMPTION
SCFM (M
3
/hr)
PSI
BAR
HEAD
0
1
2
3
4
5
6
7
200(339.8)
MODEL HDF3-M /HDF4-M 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%.