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Industrial and Commercial Products

The NPI Industrial team are a specialised consulting service whose collective experience spans decades and offers a depth of expertise and strength in customer service for the supply of custom fitted industrial tanks for industrial water storage, water retention & detention, water treatment plants, chemical storage & processing, liquid feed and liquid fertilizer transport & storage.

NPI industrial tanks are precision rotomoulded to comply with AS-4766:2006 and manufactured to contain liquids with a specific gravity ranging from SG1 through to SG2. All our industrial tanks are compatible with the storage of a wide range chemicals, such as sodium hypochlorite, liquid alum, hydrochloric acid etc. Tanks sizes range from 1000ltr to 37,200ltr.

We offer a wide range of fittings including poly extended stub flanges, backing rings in Table D, E & ANSI in stainless steel, galvanized, plastic coated, full face flanges and BSP threaded outlets in poly and brass, lifting lugs and hold down lugs are also fitted.

Industrial Tanks

Industrial Tanks

National Poly manufacture and supply a wide range of custom fitted industrial tanks.

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Chemical Storage Tanks

Chemical Storage Tanks

Storage tanks can be manufactured according to specification to store all sorts of chemical liquids.

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Liquid Fertiliser Storage

Liquid Fertiliser Storage

Our wide range of tanks have the capability to hold liquid fertiliser with a specific gravity of SG1 to SG2.

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Mining Products

Mining Products

We cater to the mining industry with large industrial flanges, specialised fittings and storage for waste.

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Water Treatment Plants

Water Treatment Plants

We have a wealth of knowledge in the fabrication of industrial tanks for water treatment plants.

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Custom Design Specifications

Custom Industrial Design

We can help you design your industrial product, fabricate moulds and manufacture to precision.

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