| Sr |
Characteristics
|
India
Mark II
|
India
Mark III (65mm) VLOM-OTC |
India
Mark III (50mm) VLOM- OTC |
AFRIDEV
|
Extra
Deep well |
Suction
Handpump |
| 1.
|
Minimum
Borewell Diameter (mm) |
100
|
125
|
100
|
100
|
100 |
100 |
2.
|
Application
Range.
a. Static Water Level (Metres)
b. Optimum Installation Depth (metres)
|
15-40
21-40
|
15-25
21-30
|
15-50
21-60
|
20-45
20-45
|
40-90
50-90
|
3-7
7
|
| 3. |
Stroke
length(mm) |
125 |
125 |
125 |
225 |
100 |
200 |
| 4.
|
Discharge/40
strokes litres/minute |
15 |
15 |
10
|
16.5
|
12 |
40 |
| 5. |
Riser
Main
a. Size (mm)
b. Material
|
32
Galvanised
Steel
|
65
Galvanised
Steel
|
50
Galvanised
Steel /PVC
|
63
UPVC
|
32
Galvanised
Steel
|
40
G.I
|
| 6.
|
Connecting
Rod.
a. Size (mm)
b. Material
|
12
Steel Zinc
Plated/S.S.
|
12
Steel Zinc
Plated/S.S.
|
12
Steel Zinc
Plated/S.S.
|
10
Steel Zinc
Plated/S.S.
|
12
Steel Zinc
Plated/S.S.
|
12
Steel Zinc
Plated/S.S.
|
7.
|
National
/International Standards |
IS:9301 |
IS:13056 & RUWATSANI
NIS - 325 |
IS:13056 |
SKAT
speci-
fications
/RUWATSAN II WIS-326 |
IS:13287 |
IS:
8035 |
