Static water level depth 40 90 mtr
Stroke Length 100 mm + 4 mm
Discharge Minimum 300 ml per stroke or 12 Liter /40 stroke completed in 1 minute
Bore well Casing Size 100 NB to 150 NB
Cylinder - Cast Iron or Stainless Steel or UPVC
Rising Main Size 32 NB MS GI Riser Pipe or 40 NB UPVC with 3 piece Coupler or 40 NB UPVC Pipe with SS Nipple and Socket in 3 meter length
Above Ground Structure (Pump Stand, Head, Handle, Water Tank etc. -( Mild Steel with hot dip galvanized)
Connecting Rod - Mild Steel or Stainless Steel in 3 meter length
charge - 16.5 liter per minute in 40 stroke or 420 ml in one stroke
Static water lever - 20 meter to 45 meter
Stroke length - 225 + 6 mm
Pump Rod - it is either Threaded , Eye Hook type made of SS or MS or frp pump rod in 3 meter length
Riser pipe - UPVC (OD 63 mm x thickness 4.7 mm) in 2.9 meter or 3 meter
Above ground i.e. Head Box Handle front and Rear and Stand Assy.( Hot dip galvanized mild steel)
Cylinder Assembly - it is made of UPVC pipe with brass liner inside and plunger valve and foot valve either brass or nylon (Derlin)
Casing Pipe - 100 mm to 200 mm . Afridev hand pump can also used in Dug Wells
Discharge Minimum 375 ml per stroke or 15 Ltr. / 40 stroke completed in 1 minute.
Static water level depth 20 - 40 meter
Stroke Length 125 mm + 4mm
Cylinder - Cast Iron or Stainless Steel or UPVC
Bore well Casing Size 100 NB to 150 NB
Connecting Rod - Mild Steel or Stainless Steel in 3 meter length
Rising Main Size 32 NB MS GI Riser Pipe or 38 mm x2mm SS Pipe or 40 NB UPVC Pipe with Coupler or 40 NB UPVC with SS Socket and Nipple in 3 meter length
Above Ground Structure (Pump Stand, Head, Handle, Water Tank etc.- (Mild Steel with hot dip galvanized)
Manufacturing processes and inspection
- requirements for compliant with international standards
- assembly and part drawings
- part list
The specification results from work carried out by unicef in collaboration with skat consulting. The base for this specification are the standards from bangladesh (tara handpump production manual, unicef-dphe bangladesh, 1995) and the standard of the bureau of indian standards (is 141106:1996)
Professional production of the philippines, hand pumps
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Head:75mm abssorption process:45m
Reciprocating frequency:40/min
Inlet diameter:35mm
Diameter under the pump body:94mm.
