Sandpiper HDF2 - Pump Operation Principle; Principle of Pump Operation; Installation and Startup; Air Supply and Priming

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3 • Model HDF2/HDF50
HDF2 & HDF50 Heavy Duty Flap Valve
Dimensions in inches (metric dimensions in brackets). Dimensional Tolerance .125" (3mm).
19.87
505
9.81
249
21.64
550
20.30
516
2.61
66
2.61
66
OPTIONAL VERTICAL
SUCTION PORT
OPTIONAL VERTICAL
DISCHARGE PORT
2.55
65
2.64
67
17.69
449
2.59
66
7.06
179
13.56
344
2"NPT [2" BSPT]
SUCTION PORT
2"NPT [2" BSPT]
DISCHARGE PORT
3/4" NPT
AIR INLET
13.00
330
16.00
406
10.25
260
14.00
355
11.00
279
8.88
226
5.28
134
8X
.50 13 THRU
1" NPT EXHAUST PORT
Dimensional Drawings
MODEL SPECIFIC
1: PUMP SPECS