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afridev deepwell, african development,
Handpump, Hand pumps, Handpumps, Deepwell, hand pump
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AFRIDEV
DEEPWELL HANDPUMP
Salient
Features
 Ideal
VLOM (Village Level Operation and Maintenance) design developed keeping
in view maintenance problems.
* Capable of lifting water from depths upto-approx 45 meters.
* Fully fabricated steel structure duly hot dip galvanized.
* Adjustable handle to suit varying installation depths.
* Injection moulded special grade plastic bush bearings easy to
replace at village level.
* Interchangeable plunger & foot valves easy to extract without
removing riser pipe.
* Non-corrosive underground components capable of handling corrosive
water situation there by giving longer life.
* Easy installation and inexpensive maintenance at village level
- even women can handle.
* Light weight UPVC riser pipes and hence easy to handle.
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| Construction |
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The
complete system of AJAY AFRIDEV Deepwell Handpump consists
of four main sub assemblies briefly described below
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Pump
Head Assembly
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Click to Enlarge
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*Fully
fabricated steel structure duly Hot Dip Galvanized.
* Adjustable handle providing different handle settings to suit
different cylinder setting depths.
* Conical flange with conical rubber grommet provides better
holding grip on UPSV riser pipe.
* Two options for pedestal design are available :
a) Pedestal for concrete stand
b) Pedestal of India Mark II design with
either 3 legs mounting or flange mounting arrangements.
* Fulcrum & rod hanger pins are supported on special grade
plastic bush bearing which are very easy to replace at a village
level.
* Fully covered to avoid any contamination of water.
* Design offer a stroke length of 225 mm.
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Cylinder
Assembly
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UPVC pipe 63 OD x 4.7 mm thick lined from inside with
seamless brass liner 50 mm I.D. x 700 mm long.
* Interchangeable plunger and foot valves made out of
interchangeable injection moulded delrin with stainless
steel pick up device mounted on foot valve for easy extraction
of foot valve without removing riser pipe.
* U-seal, bobbins and 'O' rings are of nitrile rubber
and plunger rod of stainless steel.
* Larger dia extension pipe at the bottom of cylinder
reduces silt and sand intake. Sleeve is provided for plastic
rope to pass for supporting the system during installation
& maintenance.
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Afridev
In Production
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Connecting
Rod
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to Enlarge
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10 mm dia x 3 meters long mild steel hot dip galvanized rod
with forged eye and hook connectors welded at both ends. This
provides easy rod connections without use of any tool.
* Each rod is provided with a rubber centraliser to avoid contact
with UPVC riser pipes.
* For corrosive water application we offer connecting rod made
of stainless steel (AISI 304 grade, AISI 316 grade).
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Riser
Pipe (Drop Pipe)
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Connects cylinder to pump head and is a passage for water.
* UPVC pipe 63 mm OD x 4.7 mm wall x 2800 meters long with
socket-spigot cemented joint.
* Each pipe is provided with a rubber centraliser to avoid
contact with casing pipe.
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Click
to Enlarge
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Afridev
Cut Section
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Minimum
bore size
Internal
diameter of Cylinder
Stroke
length
Average
discharge per stroke
Operating
depth (approx.)
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100
mm
50
mm
225mm
0.44
Ltr.
upto
45 Mtr.
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2001-2002, AJAY INDUSTRIAL CORPORATION, All Rights Reserved. For comments
on website, please contact the webmaster
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