HAND PUMP >> AFRIDEV

AOV International
HAND PUMP
AFRIDEV

Manufactured as per the latest SKAT Specifications


Note : click on the images to see enlarge view

APPLICATION DATA

Minimum bore size

  ... 100 mm.

Internal dia. of Cylinder

  ... 50 mm

Stroke length

  ... 225±3 mm.

Average discharge per stroke

  ... 17 liters per minute of 40 strokes.

Operating depth (approx.)

  ... up to 45 meters

 

SALIENT FEATURES DATA

  • Bearing bushes for the pivot assemblies are made from injection molded special grade plastic.
  • Variable handle settings suit changes in static water levels.
  • 225 mm stroke length of the handle provides a water discharge of 17 litres per minute per 40 strokes with an installation depth range between 15 m to 45 m below ground water.
  • Easy to install, can be accomplished by village women mechanics.
  • Cone Plate and rubber Cone for improved attachment of uPVC Riser pipe to pump body.
  • Extra long spigot ends in riser pipe to ensure high joint strength, leak proof pipe joints, and verticality of the pipe string. Rubber centralizers on riser pipes prevent external wear.
  • Standard cylinder components are comprised of injection molded interchangeable plunger and foot valve assemblies, made from modern engineering plastics.
  • The Afridev Pump's cylinder is also suited to use cast gun metal monolithic plunger and foot valve assemblies of the Universal Cylinder.
  • Alternative stainless steel lined cylinder is available for aggressive water conditions.
  • Quick release eye & hook 'tool-less' ends on connecting rods with rubber centralisers, are standard supply. These facilitate maintenance and protect the riser pipe against internal wear.
  • The VLOM (Village Level Operation and Maintenance) design has been developed for easy handling of maintenance problems without the need of special skills.
  • Non-corrosive underground components are capable of handling corrosive water and therefore will last longer.
  • Lightweight PVC riser pipes; easy installation & inexpensive.
  • Adjustable handle to suit varying installation depths.
  • Three options for pedestal designs are available:
    • Square flanged.
    • Three legged.
    • Skat -4, pedestaly with anchor assembly.
  • Cup Seal, U-Seal, bobbins and 'O' Rings are of Nitrile Rubber and Plunger Rod of Stainless Steel.
  • Mild Steel Hot-Dip Galvanized Rod / SS with Forged Eye and Hook Connectors welded at both ends.  This provides easy Rod Connections without use of any tool. & also connecting rod with welded coupling.
  • Each rod is provided with a Rubber Centralizer to avoid contact with PVC Riser Pipe.
  • Fulcrum & Rod Hanger Pins are supported on special grade Plastic Bush Bearings which are very easy to replace at village level.
  • PVC Cylinder 50 mm ID with Gun Metal Plunger Assembly / Inter changeable Plunger and Foot Valve made with special grade Plastic material.
  • PVC Pipe 63MM OD x 47 mm wall x 3 Meters long with socket-spigot cemented joint.
  • Each pipe is provided with a Rubber Centraliser to avoid contact with Casing Pipe.
  • The FGRP connecting rods (glass fibre reinforced plastic), which provide the same advantages of mils steel & stainless steel, yet are light weight and long lasting.

 

Guide for specifying Options:

Afridev Pump
List of options available for this pump type:

Options

A

B

C

D

Pump head type

Pump head with short spout (30 cm):
drawing No. B2003

Pump head with long spout (58 cm):
drawing No.B2003

.

.

Pump Stand type

Pump stand with 3 legs:
drawing No. B2050

Pump stand with bottom flange: drawing No. B2055

Pump stand with ISO flange:
drawing No. D9071

.

Rising main arrangement

PVC-U Rising main with "Sockets":
drawing No.A2119

PVC-U Rising main with "Bell End":
drawing No. A2099

.

.

Cylinder arrangement

Brass plunger and Brass foot valve:
drawing No.A2296

Brass plunger and Plastic foot valve: drawing No.A2257

.

.

Pumprod arrangement

**MS-Pump rods, threaded connectors: drawing No.A2206

SS-Pump rods, threaded connectors: drawing No. A2209

*SS-Pump rods, Hook & Eye conn.: drawing No. A2110

FRP - Pumprods, Brass Connectors: drawing No.A5889

Explanations:

*   not any longer recommended
** not recommended when PH value is <6.5

 
 

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