RP-01638

Ln
Country
and model Pedestal
Table 1. Summary of above-ground systems.'
Leverage
system Handle Top bushing Piston rod
Water head
(m)
Sri Lanka
L1 Angle-iron frame Brass bushing 25-mm GI pipe GI reducer 25-mm PVC pipe 2-7
L3 Metal cage Timber bearings 25-mm GI pipe Timber 25-mm PVC pipe 2-8
V1 GI pipe Direct lift Timber Timber 25-mm PVC pipe 1-4
Thailand
DMR (modified) Cast-iron pipe Cast-iron lever arm Cast-iron pipe Stuffing box 11-mm diam steel 2-21
ARD (modified) Cast-iron pipe
AIT-PVC Mild steel pipe
with metal bushing
Cast-iron rack and Cast-iron pipe Metal packing
pinion gear
Cast-metal lever arm 50-mm GI pipe
with bail bearings
nut
Stuffing box
rod
11-mm diam steel 2-10
rod
11-mm diam steel 2-7
rod
Philippines
Lift Concrete
Concrete pedestal Timber GI reducer
with brass bushing
Mild steel rod 2-8
Malaysia
Suction/lift Mild steel pipe
Timber linkages and Timber Timber Top 1 m 25-mm 2-11
bearings GI pipe, remainder
25-mm PVC pipe
°10 mm = 0.39 inch; 1 m = 3.28 feet.