Gollmer & Hummel GmbH

- Model PU DRAG - Heavy Duty Polyurethane Multipurpose Hose



Superior abrasion resistance. Extremely hardwearing and durable for long service life. Ultra-high tensile strength. Resistance to oil, fuel and a wide range of chemicals (see resistance table in technical appendix). Resistance to weathering, UV and ozone. Lightweight and easy to handle compared to material handling hose in rubber. Excellent cold flexibility


  • construction sites, waste water industry
  • agriculture and mining
  • transport of abrasive materials
  • flexible pipeline even in extreme terrain
  • irrigation and sludge disposal
  • supply hose for liquid manure and sludge injection systems
  • for heavy duty service under toughest conditions

Standard lengths: 100 / 200 m (330 / 660 ft), other lengths on request
Standard colour : black
Service temperature: -50°C up to +75°C (-58°F up to 167°F), based on water
Tolerances can be found in the technical appendix
Change in technical specification without prior notice
10 Bar = 1 MPa

Technical data based on water. For air pressure the minimum safety ratio is 1:4. Depending on the application our product can be operated with a maximum working pressure up to 50 % of the bursting pressure. Consult factory for approval!
It is important to note, that the technical data for pressure are only valid for hose and not for hose assembly with couplings!

To obtain maximum lifetime the end pull under working conditions should not exceed 1/3 of the breaking strength

Textile reinforcement:

  • high tenacity polyester yarn, circular woven
  • special weaving design for ultra-high tensile strength, minimum bending radius and low elongation under pressure
  • totally embedded in the PU compound, excellent protected against mechanical damage

Lining and cover:

  • hermoplastic polyether polyurethane extruded through the weave in a unique one step
    production process
  • superior abrasion resistance 5-6 times better than NBR/PVC hoses
  • inside: very smooth for minimum friction loss
  • outside: very smooth for good flexibility, thick wall for unbeatable wear and tear properties

Special Options

    (0.18) wall thickness
  • single lengths longer than 200 m (660 ft)
  • 52 - 90 mm (2 - 31/2) up to 500 m (1,650 ft)
  • 102 - 127 mm (4 - 5) up to 400 m (1,320 ft)
  • other dimensions

Note that special options are subject to a higher price and a minimum order of 2,000 m (6,600 ft) per dimension. Production short lengths and overproduction up to 10 % of the total order quantity have to be accepted. Enquire for details !

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