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

HUPLONG INDUSTRIES (M) SDN BHD supplies genuine NORRES AIRDUC® PVC 341 (MD) hoses for customers throughout Malaysia requiring a medium-heavy PVC hose for flexible ducting of gases, dust, powder and fibres.

NORRES AIRDUC® PVC 341 (MD) is an AIRDUC® profile hose with a spring steel wire firmly embedded in the wall. The hose wall is made from high-grade soft PVC with an approximate wall thickness of 0.9 mm.

NORRES officially classifies AIRDUC® PVC 341 (MD) as medium-heavy duty. The official product information also lists good resistance to alkalis and acids, good resistance to chemicals, phthalate-free construction and a flame-retardant wall according to UL94-HB.

Official NORRES applications include flexible hose and ducting for gases, dust, powder and fibres. Listed examples include extraction units, dedusting systems, filter systems, oil mist extraction, galvanic extraction, chemical vapour extraction, vapour return hoses at loading arms, paint steam extraction, spray mist extraction and use as an exterior protection hose for heating hoses.

The official NORRES operating temperature range is -20°C to 70°C with short-time use up to 80°C. The standard hose colour is grey. Further diameters, lengths, transparent or full-colour variants and customer-specific branding are available on request.

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® PVC 341 (MD)?
A: AIRDUC® PVC 341 (MD) is a medium-heavy PVC hose from NORRES for flexible ducting applications involving gases, dust, powder and fibres.

Q: What applications are officially listed for AIRDUC® PVC 341 (MD)?
A: NORRES lists extraction units, dedusting systems, filter systems, oil mist extraction, galvanic extraction, chemical vapour extraction, vapour return hoses at loading arms, paint steam extraction, spray mist extraction and heating-hose exterior protection applications.

Q: What is the hose construction?
A: NORRES specifies an AIRDUC® profile hose with a spring steel wire firmly embedded in a high-grade soft PVC wall. The official wall thickness is approximately 0.9 mm.

Q: Is AIRDUC® PVC 341 (MD) a heavy-duty hose?
A: NORRES classifies this model as medium-heavy duty. It should not be described as heavy duty unless the selected product is an official heavy-duty NORRES model.

Q: What are the temperature range and flame-retardant property?
A: The official operating temperature range is -20°C to 70°C with short-time use up to 80°C. NORRES also specifies a flame-retardant wall according to UL94-HB.

Q: Is AIRDUC® PVC 341 (MD) resistant to acids, alkalis and chemicals?
A: NORRES lists good resistance to alkalis and acids together with good resistance to chemicals. Final suitability must still be checked against the actual chemical, concentration, temperature and exposure duration.

Q: Can AIRDUC® PVC 341 (MD) be used under pressure or vacuum?
A: NORRES provides recommended threshold overpressure and underpressure values for each hose size. The permitted pressure, vacuum and bending-radius values vary by hose diameter and must be checked against the official technical table before selection.

Q: Is AIRDUC® PVC 341 (MD) antistatic, food-grade or ATEX approved?
A: The official NORRES product information for AIRDUC® PVC 341 (MD) does not state a specific antistatic rating, food-contact approval or ATEX approval. It should not be selected for these requirements unless the complete system requirement has been separately verified.