NASPIPE
Naspipe is a tough, abrasion resistant, hardened steel piping system.  Offsets, sweeps, elbows and fittings are made from the same tough base material.  It offers advantages similar to those of mild carbon steel pipe, such as flexibility in design and ease of fabrication.

Typical wear life on straight pipe is 4 to 6 times the life received form conventional carbon steel pipe.  The monolithic structure facilitates ultrasonic measurement of wall thickness.  Naspipe is one of the most cost- effective pipes available in the industry today.  It is approved to ASME B31.11 Slurry Transportation Piping Systems.

The steel pipe is manufactured from a special analysis steel in nominal pipe sizes from 73 mm to 610 mm and up to 15 m in length.  A special heat treatment process produces a thick zone of 600 BHN on the inner surface of the pipe to provide the wear resistant properties.  The softer outer surface adds a toughness component to the pipe.

The Naspipe system provides a combination of economy in cost with economy in weight, low resistance to flow and high resistance to abrasion.  It also offers benefits at the point of installation.  Hardened steel pipe can be cut with an abrasive saw and welded using a common low-hydrogen welding rod.

It's standard 6 m  and 12 m lengths as well as hardened bends and tangents will reduce the number of joints in a system.

Naspipe will accept many of the common coupling methods used for plain, mild steel pipe.  Welded pipe joints utilize pipe with weld rings attached.  The rings form a 'V' grove which receives a full penetration weld.

Naspipe gives good service in the following applications:

Power Generation
-    coal slurry transport
-    fly-ash systems
-    bottom ash disposal
-    pulverised fuel systems
-    dry scrubbers

Mining and Processing
-    tar sand transport
-    phosphate transport
-    process plants
-    preparation and cleaning plants
-    tailings and backfill lines

Dredging and Slurry Transport
-    onshore slurry transport
-    quarry product transport
-    delivery pipe lines

Other Industries
-    wood chip conveyance
-    foundry sand handling
-    cement conveyance
-    waste disposal  

PRODUCT RANGE
Naspipe is readily available in the standard sizes listed below in 6 m and 12 m lengths up to 406 mm dia.  Lengths up to 15 m are available in 457 mm, 508 mm and 610 mm dia.