India Mark III---IS 15500-2004 amended up
to date. The India Mark III VLOM deep well hand pump design uses an open top
cylinder, which allows servicing and replacing the cylinder components with
out taking out riser pipes from a bore well. Use of the VLOM pump thus
reduces requirement of heavy tools, skilled hands and time required for
break down repair.
Since the cylinder can be serviced using simple tools, users including
women can be trained for the repairs. Hence the pump is named as Village
level Operation Maintenance Pump.
Main features
- Open top cylinder
- Monolithic piston and check valves
- Inter changeable Ntrile bobbin valves
- Nitrile cup washers
- Pipe centralizers
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Options
The India Mark III VLOM deep well hand pump is available in two options.
- India Mark III 50 mm OTC VLOM Pump: The India Mark III 50 mm OTC
VLOM PUMP has been design for use with 50mm OTC cylinder and 50 mm
diameter riser pipes. The pump can be used either with GI or uPVC
pipes. With GI pipes the pump can be installed up to 60 m. With the
uPVC pipes the pump can be installed up to 45 m.
- India Mark III 65 mm OTC VLOM Pump: The India Mark III 65 mm OTC
VLOM PUMP has been design for use with 65mm OTC cylinder and 65 mm
diameter riser pipes. The pump can be used either with GI or uPVC
pipes. The pump can be installed up to 45m.
Advantage
- Very easy to repair at Village level
- No heavy tools required for maintenance
- Women can be trained to maintain the pump
- Suitable for use with uPVC pipe up to 45 m
- Reduced wear and tear of the pipes
- Low inventory of spares
- Very low maintenance cost
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Conforming to IS: 15500-2004 standard,
India Mark III hand pump has open top cylinder (OTC), which facilitates
pulling out of plunger assembly. It also assists in changing valve assembly
from the cylinder without pulling out the cylinder. In this hand pump, 50-mm
diameter GI/UPVC pipes are used.
Features
- 50mm riser pipe
- Interchangeable nitrile bobbin valves
- 50mm open top cylinder
- Single nitrile cup washer
- Pipe centralizers
- Monolithic piston and foot valve assembly
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Advantages
- Easy to repair at village level.
- Lower maintenance cost
- Suitable for use up to 60 m
- UPVC riser pipe option
- Heavy Tools not required for servicing piston and foot valve
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