hdf2dl6sm-rev0316
Model HDF2 Page 1
Heavy Duty Flap Valve
HDF2
Type 6
Air-Operated
Double Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
INTAKE/DISCHARGE PIPE SIZE
2" NPT (F)
CAPACITY
0 to 140 gallons per minute
(0 to 530 liters per minute)
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
Up to 2"
(50mm)
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
40 PSI
60 PSI
80 PSI
100 PSI
10
0
20
30
40
50
60
70
80
90
100
20
0
40
60
80
100
120
140
160
10(17) 20(34)
30(51)
40(68)
50(85)
60(101.9)
70(118.9)
80(135.9)
90(152.9)
100(169.9)
150(254.9)
0
200
300
400
500
600
BAR
100
0
1
2
3
4
5
6
7
PSI
125(212.4)
20 PSI Air Inlet Pressure
Liters per minute
U.S. Gallons per minute
CAPACITY
AIR CONSUMPTION
SCFM (M
3
/hr)
HEAD
MODEL HDF2 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%.
SANDPIPER
®
PUMPS ARE DESIGNED TO BE POWERED ONLY BY COMPRESSED AIR.
II 2GD T5
See pages 17 & 18
for ATEX ratings
