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Importance of Column Pipes for Borewell | Kothari Group

Importance of Column Pipes for Borewell

Date: 14-01-2022

History & Need for the Column Pipes

Column pipe is having recent history of 50 years. In early days, there was no need for bore wells with more depth due to water availability at less depth in the soil. Usually the trend was there to use HDPE Coil pipe in the bore well for the depth up to 100 meters.

With the passing of time, more depletion of water level in the soil beyond 500 ft., which increases the need for the pipes with more pressure beyond 12.5 Kg/Cm2 pressure. The HDPE coil pipe has the limitation of working up to 12.5 Kg/cm2. Also using of GI pipe was the earlier trend, which has the limitation of more head loss, rusting issues & more weight etc.

To address the problems columns pipes were developed which are having many unique advantages & which can go up to the depth of even 1000 ft. bore wells.

Design Characters of Kothari Column Pipes

The Column Pipes are designed to use in the higher bore depths. They are designed to sustain following pressures

  • The internal water pressure (Total Head) to pull the water from bore well to the desired location on the ground
  • The pressure created due to the weight of the pump & self-weight of the pipe
  • Non Toxic (Lead Free) 100% Safe for Drinking Water
  • Tough, strong & Durable with Metal Free Compound
  • Impact resistant hence almost non-breakable
  • Unique Double Locking System
  • Very smooth internal surface (less frictional losses)
  • Highly insulated for thermal (Heat)
  • India’s First Impact Sustaining Lock System
  • Excellent category for multiple uses
  • Available in Sizes from 1” (25mm ID) to 4” (100mm ID)

Advantages of Kothari Column Pipes

UPVC Pipes & Fittings: used for conveyance of Potable (Drinking) water & other water (ASTM -D1785). It is light weight & having very smooth inner surface.

    Features
  • Light weight but strong & durable.
  • Lead-free & heavy metal free material ensures 100% safe for drinking water.
  • Made with special compound
  • Double locking system ensures very strong joint
  • High impact resistance ensures high quality performance at higher temperatures.
  • Fast & easy installation, Saves labour & long life.
  • Self-extinguishing. Does not support combustion.
  • Exceptional corrosion resistance ensures constant flow over lifetime.
  • Annealing process carried out on Pipes for ensuring maximum strength & life too.

Accessories used along with Column Pipes for proper Installation & additional Safety

  • Adapter Set: Quality use of top & bottom Adapter set to have the highest strength of the jointing with pipe
  • Pump Guard set: Pump Guard set must be used as an additional support for keeping the Joint of Pump & Pipe intact
  • Belt Wrench: Instead of regular screw wrench or any other wrench, belt wrench must be used to attach the pipes in to each other
  • Sigri: While inserting pipes in the bore well, Sigri should be used for the smooth operation

Kothari Column Pipes Available Sizes:

On the basis of the composition of physical particles mentioned above, soil is divided into the following types:

Type & Size, (OD : Outer Dia),(ND : Nominal Dia) Breaking Load(kgf) Safe Pulling Load with Chain Pulley (kgf) Safe allowable hydrostatic pressure 2(kg/cm ) Safe Total Pump Delivery Head (mtr) Screen Color
OD : 33 mm (1”) DN : 25 mm
V4-12.5 850 500 12.5 125 ORANGE
V4-15 1000 600 15 150 PURPLE
Crystal 1250 750 21 210 GREEN
Standard 1900 1100 30 300 RED
OD : 42 mm (1 1/4”) DN : 32 mm
V4-12.5 1300 800 12.5 125 ORANGE
V4-15 1550 900 15 150 PURPLE
Crystal 1800 1050 21 210 GREEN
Standard 2550 1500 25 250 RED
Heavy 3100 1800 30 300 BLUE
OD : 48 mm (1 1/2”) DN : 40 mm
V4-15 2000 1200 15 150 PURPLE
Crystal 2500 1500 21 210 GREEN
Standard 2950 1700 26 260 RED
Heavy 4050 2350 35 350 BLUE
OD : 60 mm (2”) DN : 50 mm
Medium 2450 1450 13 130 ORANGE
Crystal 3100 1850 17 170 GREEN
Standard 3600 2100 20 200 RED
Heavy 4700 2800 27 270 BLUE
Super Heavy 5600 3350 35 350 BLACK
OD : 75 mm (2 1/2”) DN : 65 mm
Medium 3100 1800 10 100 ORANGE
Standard 4650 2700 16 160 RED
Standard Plus 5900 3500 21 210 PURPLE
Heavy 7000 4200 26 260 BLUE
OD : 88 mm (3”) DN : 80 mm
Medium 4450 2600 11 110 ORANGE
Standard 6800 4000 17 170 RED
Heavy 9600 5650 26 260 BLUE
OD : 113 mm (4”) DN : 100 mm
Medium 6800 4000 10 100 ORANGE
Standard 10000 5900 15 150 RED
Heavy 16000 9350 26 260 BLUE

- Sandeep Deshpande
AGM- Sales & Marketing
M:+919307309580