Top and bottom adapters for Supreme's column pipes are available in DI, CI, and SS.
Column Pipes For Submersible Pumps - PVC
Supreme’s Submersible pipes have been specially designed and are manufactured under stringent quality checks. They are tested to withstand system loads comprising the weight of the pump, water, and pipe weight with adequate factor of safety. Due to the unique design of square threads, submersible pipes can withstand considerable shock and jerk loads during operation. Column pipes for submersible pumps supplied with separate couplers are integrally locked with the pipes. Couplers are locked with the pipes using a wire lock or using special adhesives. Supreme Column Pipes for Submersible Pumps offer many advantages like lightweight, high tensile load capacity, leakproof joints, and long life making them very economical. These plumbing pipes provide a much better option than conventional metal pipes. These submersible pipes are available in 25 to 100mm(1" to 4") dia in different classes.
Column pipes for submersible pumps are available from 1” to 4” sizes in 9 different varieties as per company standard.
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Special compound - Supreme column pipes are manufactured from specially designed uPVC compound to make them sufficiently strong against loads and pressure that they may encounter during installation and use.
Lightweight - Supreme submersible pipes are light in weight enabling easy and economical transportation.
Hygienic - As uPVC is immune to galvanic and electrolytic erosion, both pipes and water remain unaffected. These submersible pipes can be installed in all types of acidic or alkaline mediums which adversely affect metal pipes.
High tensile load capacity - Unique square threads made on CNC machines provide sufficient grip and additional strength against tensile loads. Thus, the joints become fairly strong with a sufficient safety factor to take care of the load of the entire assembly along with the weight of the pump. These specially designed threads also make them suitable for easy joining and re-joining several times.
Leakproof joints - Specially designed D-type and flat rubber sealing rings provided on the threads make the joints watertight and help absorb pump vibrations.
High flow rates - Mirror smooth inner surface of the pipe and corrosion resistant property prevent scale formation which ensures a high flow rate resulting in substantial power saving.
Wide range - Supreme offers a wide range of submersible pipes in 25 to 100mm (1" to 4") dia in light, medium, super medium, eco standard, standard, super standard, heavy, and super heavy duty variants. These eight varieties of pipes designed for different installation depths cater to all the pump delivery head requirements. Besides pipes, Supreme offers required accessories like adapters, pump guards, jigs, loop bails, strap wrenches, etc. for installation, reinstallation, and pump safety.
Long life - Supreme submersible pipes are manufactured with the latest technology under stringent quality control. Specially imported additives are used for higher strength and long trouble-free service life.
Overall economy - The advantages listed above result in making these plumbing pipes more economical as compared to GI pipes.
What Is a Column Pipe Used for in a Borewell?
Column pipes for submersible pumps connect the pump to the surface, carrying water up from the borewell and supporting the pump's weight throughout its length. Supreme manufactures these pipes from a specially designed uPVC compound, tested to withstand the combined system load of the pump, water column, and pipe weight with an adequate safety factor. As a submersible pipe, this range is built specifically to handle the shock and jerk loads that occur every time the pump starts, stops, or runs continuously deep underground.
What Makes These Pipes Suitable for a Submersible Pump Connection?
The joint design is what separates a reliable column pipe from one prone to failure. Supreme's pipes use a square thread pipe design, machined on CNC equipment, that grips firmly under tensile load and allows the pipe to be joined and rejoined multiple times without weakening. At each threaded joint, a specially designed 'D' type and flat rubber sealing ring keeps the connection watertight and absorbs vibration from the pump during operation. This combination is central to how the pvc column pipe performs at depth: the threads carry the load, and the rubber ring stops leakage at the joint, which is typically where a column pipe system is most likely to fail if the components are mismatched. Supreme's pipes are also lightweight compared to metal alternatives, which reduces transport cost, and the smooth internal bore supports higher flow rates with less friction.
How Do I Choose the Right Duty Class and Size?
Borewell column pipe requirements change with installation depth and pump load, which is why Supreme offers eight duty class pipe variants, Smart (V4), Light, Medium, Super Medium, Eco Standard, Standard, Heavy, and Super Heavy, across sizes from 25mm to 100mm (1" to 4"). Each duty class carries its own outer diameter, wall thickness, and maximum working pressure rating, which together determine the recommended installation depth for that pipe. Smart Duty pipes, for example, suit shallower installations, while Super Heavy Duty pipes are rated for depths up to roughly 1476 feet. Matching duty class to actual borewell depth and pump weight is what keeps the pipe within its safe working pressure rather than over- or under-specifying the system.
What Accessories Are Used With Column Pipes for Submersible Pumps?
A column pipe installation depends on a few key accessories working together. The pump guard protects the submersible pump from falling into the borewell if a joint or connection fails. A bottom adapter connects the pump directly to the column pipe or to the pump guard connector, while a top adapter connects the topmost column pipe to the discharge fitting or bend at the surface, with a collar and clamps that hold the entire pump and pipe assembly at the borewell head. For lowering the assembly into the well, Supreme recommends a loop bail used with a tripod and chain pulley block, which reduces the risk of scratching or damaging the pipes compared to standard M.S. clamps. A strap wrench is also available for assembling or removing pipes without marking the surface.
Where Are Column Pipes Used?
Borewell pipes in this range are used wherever a submersible pump needs to lift water from underground, across residential, agricultural, and industrial groundwater extraction. Because uPVC does not corrode in acidic or alkaline conditions the way metal does, these pipes hold up in a wide range of groundwater conditions without affecting water quality. Supreme's installation guidance also recommends casing pipes for the full depth in loose soil, correct thread lubrication with plain or soapy water during assembly, and the use of reflux valves on the delivery side to prevent water hammer. For a reliable column pipe for submersible pump systems, matching pipe duty class to borewell depth, using the correct accessories, and following the recommended installation steps are what determine long-term performance.
Frequently asked questions
What is the maximum working pressure for Supreme's column pipes?
Maximum working pressure varies by duty class, ranging from 9 Kg/cm² for Smart Duty pipes up to 45 Kg/cm² for Super Heavy Duty pipes.
Can column pipes be used in combination with GI pipes in the same borewell?
No. Supreme advises against using its column pipes in combination with GI pipes in the same borewell.
Why are casing pipes recommended for the full depth in borewells with loose soil?
In borewells with loose soil strata, casing pipes are recommended for the entire depth to support the borehole and prevent it from collapsing around the column pipe and pump assembly.
What should be used to lubricate threads during column pipe installation?
Plain water or soapy water should be used as a thread lubricant when joining column pipes, applied to help the rubber sealing ring seat correctly into the threads.
Are new rubber seals required every time a submersible pump is reinstalled?
Yes. New rubber seals should be used for every reinstallation of the submersible pump to maintain a watertight joint.
What precautions should be taken while installing column pipes?
Pipes should not be over-tightened, as this can crush the rubber sealing ring and cause leakage or pipe failure. No grease, oil, or other oily substance should be applied to the threads, and pipes should only be clamped at the marked "CLAMP HERE" location using a rubber sheet to avoid scratches or damage.
What is a reflux valve and why is it recommended with column pipes?
A reflux valve is a check valve fitted on the delivery side of the pumping system. Supreme recommends using a good quality reflux valve to prevent water hammer, upthrust, and back spin in the pumping system.
How are couplers locked onto column pipes?
Couplers are integrally locked with the pipes using either a wire lock or special adhesives, and Supreme's pipes also feature a cord lock provision for secure locking.
What is the standard length of Supreme's column pipes?
Supreme's column pipes for submersible pumps are supplied in a standard length of 3 metres.
How do I connect column pipes for a deep borewell?
Pipes are joined one after another, with each pipe tightened using a strap wrench or a jerk of a pipe wrench so that 50% of the rubber sealing ring on the male threaded end seats into the female threads. Plain water or soapy water is used as a thread lubricant during this process.
What is the difference between a casing pipe and a column pipe?
A casing pipe lines the borewell to prevent the borehole from collapsing and keeps soil or contaminants out. A column pipe connects the submersible pump to the surface and carries the water up, while also supporting the weight of the pump.
