NORRES Industrial Hoses - Cable Protection Systems 1: Plastic conduits

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NORCONNECT 231 / NORCONNECT 232
The two patented clamp systems were specifically developed for heavy and super-heavy, externally corrugated spiral hoses. NORCONNECT 231 is ideally suited for use in the plastics industry, while NORCONNECT 232 is predestined for food, pharmaceutical and chemical applications.

NORRES Schlauchtechnik / Cable Protection Systems / Products / 1. Plastic conduits

1.0	Plastic conduits
Plastic conduits of PVC: PVC is an inexpensive, versatile material. …

1.1	WELLFLEX^® PVC 111
-20 °C to +70 °C (short time +80 °C) approx. spiral: plastic coated spring steel wire; liquid tight; Highly flexible plastic protection conduit

1.2	WELLFLEX^® PVC XXL 343
-20 °C to +70 °C (short time +80 °C) approx. liquid tight; Extra large plastic protection conduit / cable buncher; spiral: spring steel wire, firmly embedded in the wall

1.3	WELLFLEX^® PUR 118
-40 °C to +90 ºC (short time +125 °C) approx. spiral: plastic coated spring steel wire; liquid tight; Abrasion-proof, oil resistant and robust polyurethane protection conduit

1.4	NORPLAST PVC 112
-20 °C to +70 °C (short time +80 °C) approx. liquid tight; spiral: rigid PVC; Light plastic protection conduit with a smooth interior

1.5	NORPLAST PVC 131
-20 °C to +70 °C (short time +80 °C) approx. spiral: rigid PVC; liquid tight; Heavy plastic protection conduit with a smooth interior and exterior

1.6	NORFLEX PVC 400
-20 °C to +70 °C (short time +80 °C) approx. liquid tight; Highly flexible plastic protection conduit with a smooth interior and exterior

1.7	NORFLEX PUR 401 MHF
-40 °C to +90 ºC (short time +125 °C) approx. liquid tight; Abrasion-proof, oil resistant and robust polyurethane protection conduit with a smooth interior and exterior

Plastic conduits of PVC: PVC is an inexpensive, versatile material. Although the use of PVC in particular has been repeatedly criticised in recent years, there are still many good reasons, primarily technical ones, for resorting to this raw material. Its excellent chemical resistance (see chapter 11.1), especially to acids and bases, is an immense advantage for many customers. Plastic conduits of polyurethane (PUR): Compared to many other plastic conduit types, NORRES polyurethane (PUR) conduits have the following distinguishing characteristics: Higher mechanical stability Less abrasion Improved chemical and hydrolytic stability Higher softening points → Greater residual strength at high temperatures → Higher compressive strength → Increased safety due to material stability Better hot air ageing properties Better flexibility at low temperatures → Lower “bending force” at low temperatures → Lower “risk of bending fracture” at low temperatures We would like to particularly draw your attention to our group of PUR conduits that is resistant to microbes and hydrolysis. Our food-quality / FDA-approved, smooth, polyurethane cable protection products, some of which also feature a fabric insert for extreme operating conditions, likewise deserve to be mentioned. If required, NORRES can also manufacture connectors in VA quality. However, not all polyurethanes are the same! NORRES uses special ester-polyurethane and ether-polyurethane mixtures that are differentiated with the name Pre-PUR^® for several of its conduits. Please also refer to the detailed information on our very high-quality Pre-PUR^® polyurethanes (see chapter 0.2) as well as to the Technical Appendix. Engineering modifications subject to change.