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Flexibility
Abrasion resistance
Pressure

GH Riserflex Aqua GH layflat hose as a flexible rising main | hose riser for wells

At a glance

Standard lengths

200 m

Other lengths available on request (possibly with cutting fee)

Standard colors

Areas of application

hose well riser
Water supply wells
Mine dewatering
Groundwater extraction
Groundwater stabilization

Contact person

Contact

Gollmer & Hummel GmbH
Gässlesweg 23
75334 Straubenhardt

Material construction

Application notes hose riser:

The GH RISERFLEX AQUA hose riser diverts the pumped water from wells. The special hose is the attractive alternative to conventional risers made of PE, PVC or steel:

  • facilitates the installation / removal of the submersible motor pump
  • safe installation with loops for fixing the pump electric cable
  • easy to clean: no corrosion, not susceptible to deposits & microorganisms

Jacket lining:

  • High-tenacity yarn, circular woven
  • Specially designed for high continuous working pressures, high tensile strength and low elongation under pressure
  • Totally embedded in the polyurethane, offering optimum protection against mechanical damage


Lining and jacket:

  • Thermoplastic polyether polyurethane, extruded through the weave in a special one-step production process

Advantages

  • Quick installation and retrieval
  • Outstanding abrasion resistance
  • Resistant to aging and ozone
  • Lightweight and flexible
  • Very good flexibility at low temperatures

Pressures

Working pressure:

  • Specifications apply only to the hose (medium water, 20°C). The potential working pressure may be lower than specified above for hose lines with couplings due to the nominal pressure of the couplings or the type of assembly. For compressed air, the maximum working pressure is 25% of the burst pressure.

Maximum working pressure:

  • Approval can only be given by the manufacturer upon clarification of the exact area of application.

 

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Datasheet

Inside diameter in mm Weight in g/m Burst pressure in bar
32 270 65
52 580 57
76 980 57
102 1400 57
127 1900 57
152 2400 57

Specifications apply only to the hose. The potential working pressure may be lower than specified above for hose lines with couplings due to the nominal pressure of the couplings or the type of assembly.

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GOLLMER & HUMMEL -
established since 1872

What began in 1872 with 1.5 km of hand-woven fire hose made of hemp by master rope maker Friedrich Gollmer is today the global player operating worldwide in various industries. Nevertheless, it is a family business - in the 5th generation.

Our History