Hume Pipe Meaning
Hume pipes are extensively used for pipelines of water mains, sewers, culverts, irrigation supply, and in cable management. Owing to its properties subsuming high tensile strength, durability, leak-proof nature, low maintenance, sturdiness, Hume Pipes are widely preferred in the construction industry.
Hume Pipe Specifications
There are basically 10 steps in manufacturing process of Hume pipes, which are as follows
Storage of raw material for Hume Pipes, Assembling of moulds for Hume Pipes. Preparing reinforcement cage for Hume Pipes, Mixing of concrete for Hume Pipes, Spinning of mould for Hume Pipes, Demoulding for Hume Pipes, Water Tank Curing for Hume Pipes, Staking of finished Hume Pipes, Random test of Hume Pipes, Dispatch of Hume Pipes.
The Reinforced cage for hume pipe is first prepared on the cage winding machine by hand process. The cage in then placed inside the hume pipe mould which is then hoisted up and mounted horizontally on the turn unions. It is rotated by driving shaft with variable speed arrangement, the rotation is kept slow in the beginning and then the speed is increased.
The concrete mixture for the RCC Hume Pipe is prepared in the 1:2:5:2:5 of cement stone, metal and sand respectively. The cement concrete is fed into the hume pipe moulds during rotation which spreads inside evenly. The time required for completion of hume pipes are 24 hours. On the following day, hume pipes are removed from the hume pipe moulds and submersed in the water in the curing tank made for hume pipes for about 7 days depending upon the class of the hume pipe.
Hume Pipe Sizes
Hume Pipe Sizes are defined in terms of internal diameter of the RCC Hume Pipes.
Diameter of Hume Pipes are 150 mm, 200 mm, 250 mm, 300 mm, 350 mm, 400 mm, 450 mm
500 mm, 600 mm, 700 mm, 800 mm, 900 mm, 1000 mm, 1100 mm, 1200 mm, 1400 mm
1600 mm, 1800 mm, 2000 mm, 2200 mm & 2400 mm.
Hume Pipe Class
Hume Pipes are available in Indian Market in Light Duty NP2 Class Hume Pipe
Medium Duty NP3 Class Hume Pipe and Heavy Duty NP4 Class Hume Pipe
Hume Pipe Joints
Hume Pipes are available in S&S Spigot and Socket Joints Type and Confined Joints Type in North Indian Market
and Plain End Joints and Male-Female joints in South Indian Market.
Hume Pipe Length
Hume Pipes are avaible in effective running length of 2000 mm and 2500 mm
IS Code for Hume Pipes
IS Code for hume pipes applied by Bureau of Indian Standards BIS is IS 458
Particularly, It is written as IS 458: 2021 Precast Concrete Pipes
Also, Earlier it happens to be IS 458: 2003 Precast Concrete Pipes
Hume Pipe HSN Code
Hume Pipe HSN Code as per GST Rules in India is 68109990
Hume Pipe GST Rate
Hume Pipe GST Tax on Basic Value as per GST Rules in India is 18 Percent.