SANDPIPER MHDF25 - Manual (Page 3)

mhdf1dl1sm-rev0711 Models MHDF1 & MHDF25 Page 1
II 2GD T5
See pages 2, 16 & 17
for ATEX ratings
INTAKE/DISCHARGE PIPE SIZE
MHDF1: 1” NPT(F)
MHDF25: 1” BSP Tapered
CAPACITY
0 to 70 gallons per minute
(0 to 265 liters per minute)
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
1” (25.4mm)
HEADS UP TO
125 psi or 289 ft. of water
(8.8 Kg/cm 2 or 88 meters)
DISPLACEMENT/STROKE
.10 Gallon / .38 liter
Quality System
ISO9001 Certified
Environmental
Management System
ISO14001 Certified
MHDF1
Type 1
MHDF25
Type 1
Heavy Duty
Flap Valve
Air-Operated
Double Diaphragm Pump
ENGINEERING, PERFORMANCE
& CONSTRUCTION DATA
100
80
60
40
20
0
0 10 20 30 40 50 60 70 80
Liters per minute
U.S. Gallons per minute
CAPACITY
0 100 75 50 25 150 125 200 175 225 250 275 275
BAR
HEAD
0
1
2
7
3
4
5
6
PSI AIR CONSUMPTION
SCFM (M3/hr)
MODEL HDF1 Performance Curve
Performance based on the following: elastomer fitted pump, flooded suction,
water at ambient temperature. Average displacement per pump stroke: .10 Gallons (.38 Liters).
The use of other materials and varying hydraulic conditions may result in deviations in excess of 5%.
40 PSI
60 PSI
80 PSI
10(17)
20(34)
40(68)
30(51)
50(85)
100 PSI
(6.8 Bar)
20 PSI Air Inlet Pressure
(2.72 Bar)
(4.08 Bar)
(5.44 Bar)
(1.36 Bar)