HUPLONG INDUSTRIES (M) SDN BHD is the authorized distributor of NORRES industrial hoses in Malaysia.

HUPLONG INDUSTRIES (M) SDN BHD supplies genuine NORRES AIRDUC® PUR 351 FOOD (MD) hoses for customers throughout Malaysia requiring a medium-heavy food hose and pharmaceutical hose for flexible ducting and conveying of abrasive powder, bulk material, granulate and gases.

AIRDUC® PUR 351 FOOD (MD) is an AIRDUC® profile hose with a spring steel wire firmly embedded in the hose wall. The hose wall is made from special premium ether-polyurethane, Pre-PUR®, with an approximate wall thickness of 1.0 mm.

NORRES officially classifies this model as medium-heavy duty and reinforced. It is listed as highly abrasion resistant, odourless and tasteless, microbe and hydrolysis resistant, with good resistance to oil, gasoline and chemicals, as well as very good low-temperature flexibility.

NORRES officially states that the complete hose has been approved by an independent testing laboratory according to EU Directive 10/2011, EC 1935/2004 and EU 2015/174. The food-grade polyurethane also complies with FDA 21 CFR 177.2600. NORRES further lists approval according to EU Directive 10/2011 for food simulants A, B, C or E and D2, together with EC 1935/2004.

Official NORRES applications include dry-food conveying for rice, cereals, sugar, milk powder, powders, coffee, tea, grains, flour and frozen foods. The product is also listed for vacuum conveying equipment, vacuum hoppers, suction conveyors, dosing systems, mixers, dryers, packaging machines, bulk-bag charging and discharging, mills, industrial vacuum cleaners and vacuum cleaners.

Our team can assist customers throughout Malaysia with NORRES hose selection based on hose diameter, conveyed material, operating temperature, airflow, vacuum condition, installation length and quantity requirement. The permitted pressure, vacuum and bending-radius values vary by hose size and must be checked against the official technical table before use.

FAQ

Q: What is NORRES AIRDUC® PUR 351 FOOD (MD)?
A: It is a NORRES food hose and pharmaceutical hose classified as medium-heavy and reinforced. The official product information lists it for flexible ducting and conveying of abrasive powder, bulk material, granulate and gases.

Q: What does MD mean in AIRDUC® PUR 351 FOOD (MD)?
A: MD is the official NORRES designation for medium-heavy duty. This model should not be described as ordinary medium duty, heavy duty or super-heavy duty.

Q: What food products can this hose convey?
A: NORRES lists dry-food conveying for rice, cereals, sugar, milk powder, powders, coffee, tea, grains, flour and frozen foods. Final suitability must be checked according to the actual conveyed product, process conditions and cleaning requirements.

Q: Is AIRDUC® PUR 351 FOOD (MD) suitable for food and pharmaceutical applications?
A: Yes. NORRES states that the complete hose has been approved by an independent testing laboratory according to EU Directive 10/2011, EC 1935/2004 and EU 2015/174. The food-grade polyurethane complies with FDA 21 CFR 177.2600.

Q: What is the hose construction?
A: It is an AIRDUC® profile hose with a spring steel wire firmly embedded in the wall. The hose wall is made from special premium ether-polyurethane, Pre-PUR®, with an approximate wall thickness of 1.0 mm.

Q: Is this hose abrasion resistant and microbe resistant?
A: Yes. NORRES officially lists AIRDUC® PUR 351 FOOD (MD) as highly abrasion resistant, microbe resistant and hydrolysis resistant.

Q: Is this hose flame-retardant?
A: Yes. NORRES lists AIRDUC® PUR 351 FOOD (MD) as flame-retardant according to UL94-HB.

Q: What is the operating temperature range?
A: The official NORRES temperature range is -40°C to 90°C, with short-time use up to 125°C.

Q: Can this hose be used for vacuum conveying?
A: Yes. NORRES lists vacuum conveying equipment, vacuum hoppers and suction conveyors among the official applications. The permitted pressure, vacuum and bending-radius values vary by hose size and must be checked against the official technical table before use.

Q: Is AIRDUC® PUR 351 FOOD (MD) antistatic or ATEX approved?
A: The official product information for this exact model does not state a specific antistatic property, grounding wire, electrical conductivity, ATEX approval or explosion-hazard-area approval. These properties should not be claimed unless the documentation for the exact supplied hose confirms them.