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Walimi Deep Well Hand Pump

 

Duty
: Suitable for lifting water form depths of 5 m. to 40m.
Discharge : 15 liters per minute of 40 strokes for Cylinder Dia. 2", 35 liters per minute of 40 strokes for Cylinder Dia. 3".
Stroke length : 160 ± 5.0 mm.

 

Walimi Deepwell Hand Pump
1
Walimi Hand Pump is available with two different cylinder sizes, suitable for lifting water from depths of 5 m. to 40m.
2
Stroke length of the pump is 160 +/ - 5.0 mm.
3
Cylinder of 3" is recommended for depths between 5 to 25 mts. and the discharge is 35 ltrs per Minute of 40 continuous strokes.
4
Cylinder of 2" is recommended for depths between 20 to 40 Mts. and the discharge is 15 ltrs. per Minute of 40 continuous strokes.
5
The Walimi Hand pump is suitable for boreholes with casing sizes of nominal bore 100 mm (4"), 125 mm (5") and 150 mm. (6") internal diameter. For exact positioning of the rising main, the corresponding centralizes need to be placed at every pipe joint and one at the cylinder.
6
If the Walimi Hand pump is to be used in dug wells, no suction pipe and centralizes are required. To avoid swinging of the rising main during operation, precautions to be taken for locating the riser pipes inside the well and the "Anti-swing pipe" has to be fixed.

Features

1
The bolts and nuts duly electroplated with passivation are used which conform to relevant parts of ISO 4014 / 4017 for bolts and ISO 4032 for nuts.
2
All plastic pipes are made of High Impact Polyvinyl Chloride (PVC-HI). Dimensions and tolerances conforming to ISO 11922-1/-2, "Thermoplastic pipes for conveyance of fluids".
3
The steel plates, Sheets and round bars are conforming to designation of ISO 630, "Structural Steels".
4
The Steel Pipes used for the construction parts are conforming to designation of ISO 559/9330.
5
Dimensions shall conform to ISO 4200.
6
The Plastic components (other than pipes) are made of the following materials.
7
POM (Polyacetal)
8
PA (Polyamide)
9
Rubber components like Bobbin and Seals shall be made of (Acylo-) Nitrile-Butadien Rubber (NBR) conforming to BS 2751.
10
Rubber components of minor importance, like Rubber cushion, Centralizers and Sealing plate can be made of Nitrile or Natural Rubber, conforming to the standards.
11
The Stainless Steel components are made of X5CrNi 18-9 (ISO), Type 304 (AISI) or Mat. No. 1.4301 (DIN).
12
The Welding of all steel parts is fabricated in accordance with ISO 9692 and ISO 9956-2.

The following are hot dip galvanized according to ISO 1461 protection against corrosion

1
Head assembly
2
Handle assembly
3
Rod housing assembly
4
Stand assembly
5
Anchor Assembly
6
Casing Pipe
7
Riser Pipe
8
Connecting Rod
9
Cylinder Pipe
10
Plunger Assembly
11
Foot Valve Assembly

Nomenclature: A brief description of the major pump components are as under :

1
Pump head assembly
2
Handle assembly
3
Stand assembly
4
Cylinder assembly
5
Pump rod arrangement

Designs Options

1
Optional designs are in the Walimi Hand pump
2
For different rod housing,
3
Short pump stands and long pump stand
4
Short spout and long spout

Installation Tools

1
Pipe clamp
2
Rod catcher
3
Rod hanger
4
Special spanner
5
Installation Bracket
6
Pipe wrench

* Design and technical specifications are subject to change without notice

Kenya Office
Water Africa Services Ltd,
off Mombasa Road, Near City Cabanas
P. O. Box 3730 - 00100, Nairobi, Kenya
t: +254 (20) 6750349/452, 82523/39/41/2, 201833
f: +254 (20) 825240 / 2081010
Cell: +254 (733) 750139
Cell: +254 (722) 389456
e:info@waterafrica.net
e:waterafrica@fastmail.fm
e:watrafrica@wananchi.net
Sudan Office
Water Africa Services Ltd,
Munuka Road Juba, South Sudan
Gemtel: +256 (477) 126575 /76/77,
thuraya:+8821 6212 76424 / 432
Zain:+249 917041821/822
Sudani: +249 (12) 6183451, 6298512/514
e:jubawater@waterafrica.net