Pump Rental Booklet - Catalog - Page 139
Volume Discharge
Estimate The Volume Discharge From A Level
Pipe
Full Pipe: Measure horizontal distance X for water to fall 12 inches. Consult
table for approximate flow.
Partial Pipe: Proceed as above to get approximate flow. Measure height Y
of water in pipe. Calculate Y/D to get percentage of full pipe flow.
Approximate Flow Litres/Min (imp. GPM)
DISTANCE ‘X’
mm (in)
102mm ‘D’
(4in)
152mm ‘D’
(6in)
203mm ‘D’
(8in)
305mm ‘D’
(12in)
305mm
(12in)
568
(125)
1327
(292)
2273
(500)
5296
(1165)
356mm
(14in)
682
(150)
1518
(334)
2646
(582)
6055
(1332)
406mm
(16in)
755
(166)
1773
(390)
3028
(666)
6819
(1500)
457mm
(18in)
873
(192)
2005
(441)
3409
(750)
7955
(1750)
508mm
(20in)
982
(216)
2237
(492)
3787
(833)
8728
(1920)
559mm
(22in)
1059
(233)
2464
(542)
4164
(916)
9465
(2082)
610mm
(24in)
1173
(258)
2650
(583)
4546
(1000)
10592
(2330)
660mm
(26in)
1268
(279)
2882
(634)
4914
(1081)
11365
(2500)
711mm
(28in)
1364
(300)
3109
(684)
5296
(1165)
12001
(2662)
762mm
(30in)
1473
(324)
3337
(734)
5682
(1250)
12865
(2830)
813mm
(32in)
1546
(340)
3559
(783)
6060
(1333)
14002
(3080)
864mm
(34in)
1664
(366)
3707
(833)
6437
(1416)
14774
(3250)
