CONSTRUCTIONT
The complete system of kawsar engineering indus hand pump
consists of four main sub assemblies briefly described below.
PUMP HEAD ASSEMBLY
Fully fabricated steel structure duly hot dip galvanize. Adjustable handle providing deferent handle settings to suit diferent cylinder setting depths Conical flange with conical rubber gromet provides better holding grip on UPVC riser Pipe Fulcrum 8& 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 contamonation of water design offers a stroke length of 225 mm.
CYLINDER ASSEMBLY
UPVC pipe 63mm (0D) x4.7 mm thick lined from inside with seamless brass liner 50 mm 1.D.x700 mm lon. Interchangeable plunger and foot valves made out of interchangeable injection moulded Delrin with stainless steel pick up device mounted on foot valves for easy extraction of foot valves without removing riser pipe U-Seal, bobbins and O rings are of Nitrile rubber and plunger rod of stain less steel and can be mild steel.Larger dia extension pipe ate bottom of cylinder reduces silt and sand intake sleeve is provided for plastic rope to pass for supporting the system during installation & maintenance.
CONNECTION ROAD
10mm 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 rod 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).
RISER PIPE
Connects cylinder to pump head and is a passage for water UPVC pipe 63mm ODx4.7mm thickness x 2.9m long with socket spigot cemented joint. Each pipe is provided with a rubber pipe centraliser to avoid contact with casing pipe.
