Flexible Hose Mandrels

Bell Plastics: Experts and innovators in hose mandrels

Bell Plastics is the leading independent manufacturer of flexible plastic vulcanisation mandrels for the rubber hose industry.

We make mandrels in nylon (polyamide), polyester (eg Hytrel®) and other materials, all to our customers' individual requirements using a unique, specially-developed extrusion process.

Supported by our technical expertise and years of experience in this field, our mandrels help hose-makers reduce their total production costs and improve hose quality.

That's why successful hose manufacturers around world, from major multinational companies to smaller, ambitious local manufacturers, choose mandrels from Bell Plastics, the hose mandrel experts.

Features:

Specially-selected compounds, chosen specifically for mandrels
Accurate and consistent diameter for easy mandrel extraction, more accurate hose ID's and fewer hose rejects
No central holes, voids or internal wire (unless desired)
Long lengths, easily joined
Flexible mandrels up to 50mm (2") diameter
Types suitable for braided and spiral hose
Long mandrel life for lower costs

Why choose mandrels from Bell Plastics?

We are experts in hose mandrels. We have been making mandrels for over 15 years. Everything from the materials we use to our unique extrusion process is designed especially for making mandrels.
Our mandrels make better hoses, at lower cost: With highly accurate and consistent diameters, no internal voids or wires and easy welding and extraction, our nylon mandrels are easy to use and produce less scrap hose. And with their longer life than most other mandrel types, they reduce the overall cost of hose production.
Our application support. Using our extensive product knowledge and many years' experience of mandrels in use, we give our customers detailed technical advice on how to get the best results from them. And, for hose producers looking to use flexible plastic mandrels for the first time, or switching from a different mandrel material, we can help with transition process.
Our wide range of mandrels means we probably have one to suit your particular application. Please contact us to discuss!

Mandrel Range

Our wide product range includes a mandrel for almost every application. Our technical advice will help you choose the right one for you. The range includes:

Material Description

Type K nylon Our standard, medium-flexibility nylon compound, suitable for the majority of hose production, particularly in the smaller diameters. Like all our nylon mandrels, Type K mandrels have highly accurate and consistent diameters and are completely free from internal voids.

Type R nylon A higher-performance nylon compound, specially-modified for greater flexibility and better resistance to rubber chemicals than Type K. Widely chosen for larger mandrel diameters.

Type U nylon With higher tensile strength than Type K, our Type U mandrels are preferred for manufacture of the smallest spiral hoses, and for other applications where the mandrel is under particularly high tension.

Type X nylon "Extra-flex" New! Made from new, modified grades of nylon, our new Type X ("Extra-flexible) mandrel is more flexible than Type R. This allows nylon mandrels to be used in new situations, for example for larger diameter hoses or in tight plant layouts.

Type S nylon "Super-flex" New! Our second new nylon mandrel grade, Type S ("Super-flexible), offers even more flexibility that Type X.

Hytrel® Where even greater flexibility is required, or where nylons are incompatible with the hose material, we offer mandrels in a range of Hytrel® grades. Like our nylon mandrels, our Hytrel® mandrels are all solid, void-free and have no central wire (unless desired).

TPX® Our TPX® (polymethylpentene) mandrels are very flexible, have excellent chemical resistance and stability, and are easy to eject from the finished hose, making them preferred for certain applications. Please contact us for further details.

Availability

Materials: Flexible nylon (polyamide), polyester (eg Hytrel®) and others
Diameters: 3 - 50mm (1/8th - 2"), to customer's own specification
Colours: Natural or colour-coded for easy identification
Supplied form: In coils, or wound on customer drums
Coil lengths: up to 2,500m in a continuous length at DN6 (¼")

To find out more...

Consult our FAQs for answers to more questions you might have about Bell Plastics' flexible plastic vulcanisation mandrels
Check out our downloads for more technical information
Contact us to discuss you own application in detail and to request a quotation

Acknowledgments

Hytrel® is a registered trademark of E.I. Du Pont de Nemours and Company. TPX® is either a registered trademark or trademark of Mitsui Chemicals, Inc.

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Material	Description
Type K nylon	Our standard, medium-flexibility nylon compound, suitable for the majority of hose production, particularly in the smaller diameters. Like all our nylon mandrels, Type K mandrels have highly accurate and consistent diameters and are completely free from internal voids.
Type R nylon	A higher-performance nylon compound, specially-modified for greater flexibility and better resistance to rubber chemicals than Type K. Widely chosen for larger mandrel diameters.
Type U nylon	With higher tensile strength than Type K, our Type U mandrels are preferred for manufacture of the smallest spiral hoses, and for other applications where the mandrel is under particularly high tension.
Type X nylon "Extra-flex"	New! Made from new, modified grades of nylon, our new Type X ("Extra-flexible) mandrel is more flexible than Type R. This allows nylon mandrels to be used in new situations, for example for larger diameter hoses or in tight plant layouts.
Type S nylon "Super-flex"	New! Our second new nylon mandrel grade, Type S ("Super-flexible), offers even more flexibility that Type X.
Hytrel®	Where even greater flexibility is required, or where nylons are incompatible with the hose material, we offer mandrels in a range of Hytrel® grades. Like our nylon mandrels, our Hytrel® mandrels are all solid, void-free and have no central wire (unless desired).
TPX®	Our TPX® (polymethylpentene) mandrels are very flexible, have excellent chemical resistance and stability, and are easy to eject from the finished hose, making them preferred for certain applications. Please contact us for further details.