IS 458 certified NP2 class RCC hume pipe for light-duty drainage and agricultural irrigation. Available in 100mm to 1200mm diameters with standard 2.0 m & 2.5 m spigot-and-socket joints.
Himalaya RCC Hume Pipe NP2 is manufactured to IS 458 for non-pressure, light-duty drainage applications. NP2 class pipes are designed for agricultural irrigation channels, storm water drainage in low-traffic residential areas and shallow culvert crossings where minimal external load is expected. Produced using the centrifugal spinning process which creates a dense, impermeable concrete matrix with superior durability. The spigot-and-socket joint with rubber sealing ring provides watertight connections across the entire drainage network. Lighter wall thickness compared to NP3 and NP4 makes NP2 the economical choice where heavy traffic loads are not a design consideration.
| Standard | IS 458 |
| Class | NP2 - Non-Pressure Light Duty |
| Manufacturing | Centrifugal spinning process |
| Diameter Range | 100 mm to 1200 mm |
| Standard Length | 2.0 m & 2.5 m |
| Concrete Grade | M25 |
| Wall Thickness | As per IS 458 |
| Test Pressure | 0.07 N/mm² hydrostatic |
RCC Hume Pipes
IS 458 certified NP3 class RCC hume pipe for heavy-duty urban drainage, road culverts and sewerage networks. The most commonly specified class for municipal and highway projects.
RCC Hume Pipes
IS 458 certified NP4 class extra heavy-duty RCC hume pipe for major highway culverts, railway crossings and high-load buried applications. Maximum wall thickness and load capacity.
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