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 350 FOOD-AS (MD) hoses for customers throughout Malaysia requiring an antistatic food hose and pharmaceutical hose for flexible ducting and conveying of abrasive powder, bulk material, granulate and gases.

AIRDUC® PUR 350 FOOD-AS (MD) is an AIRDUC® profile hose with a spring steel wire firmly embedded in the hose wall. The wall is made from permanently antistatic premium ether-polyurethane, Pre-PUR®, with an approximate wall thickness of 0.7 mm.

NORRES officially classifies this model as medium-heavy duty. 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.

The food-grade hose wall complies with EU Directive 10/2011, EC 1935/2004, EU 2015/174 and FDA 21 CFR 177.2600. NORRES also specifies a permanently antistatic hose wall according to ISO 8031.

Official NORRES applications include dry-food conveying for rice, cereals, sugar, milk powder, powders, coffee, tea, grains, flour and frozen foods. The model is also listed for mixers, dryers, packaging machines, bulk-bag charging and discharging, mills, clean-room ventilation, semiconductor production machinery, paper mills, medical equipment, lawn mowers, slope mowers and leaf collectors.

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 350 FOOD-AS (MD)?
A: It is a NORRES antistatic food hose and pharmaceutical hose classified as medium-heavy duty. 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 350 FOOD-AS (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: Is this hose suitable for food and pharmaceutical applications?
A: Yes. NORRES states that the food-grade hose wall complies with EU Directive 10/2011, EC 1935/2004, EU 2015/174 and FDA 21 CFR 177.2600. Final suitability must still be checked against the actual product, contact condition, process temperature and cleaning requirement.

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

Q: Is AIRDUC® PUR 350 FOOD-AS (MD) antistatic?
A: Yes. NORRES specifies a permanently antistatic hose wall according to ISO 8031, with electrical and surface resistance below 10⁹ Ω. NORRES also states values according to TRGS 727 and NFPA 652.

Q: Can this hose be used in explosion-hazard areas?
A: NORRES lists defined uses in accordance with ATEX 2014/34/EU, 1999/92/EC and German TRGS 727. These include pneumatic transport of flammable dusts and bulk materials in Zones 20, 21 and 22 inside the hose, aspiration of combustible dusts in Zone 22 inside the hose, specified conveying of liquids, and specified use in gas zones. The complete system, installation arrangement and operating conditions must be assessed before use.

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 permanently antistatic premium ether-polyurethane, Pre-PUR®, with an approximate wall thickness of 0.7 mm.

Q: Is this hose abrasion resistant and microbe resistant?
A: Yes. NORRES officially lists AIRDUC® PUR 350 FOOD-AS (MD) as highly abrasion resistant, microbe resistant and hydrolysis resistant.

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. The permitted pressure, vacuum and bending-radius values vary by hose size and must be checked against the official technical table before use.