GERMAN WATER and ENERGY GROUP Bauer Resources for water well construction and geothermal energy

Dear business partners, over the last several years, the subject of water has become increasingly more important. It is a ubiquitous topic in public discourse. New solutions and approaches are required, and we would like to assist you with our innovative products. If you have questions, you can reach us using the contact details you are already familiar with, either centrally by phone at +49 5171 294 0 or by email at [email protected]. You can access the latest information at any time at www.gwe-gruppe.de. Water is our passion. In the new edition of this catalog, we present our multifaceted...

Screen pipes and casings made of PVC-U 16 Gravel pre-packed screens 20 TNA casings and screen pipes 21 VALUE PVC screen pipes and casings 32 Lowering screens and solid pipes 34 Fire extinguishing wells 45 2. Steel well materials 50 Well materials made of stainless steel 56 Well materials with HAGULIT® coating 64 Centering devices/“Guide cages” for well construction 67 Bridge slotted screens for dewatering 68 For well heads see Well covers section, Pages 202 + 203 For accessories see Well covers section, Pages 208 - 213 3. Pump riser pipes 70 Pump riser pipes stainless steel 78 Pump riser pipes...

GWE’s origins begin with a retail store opened by Mr. Boese in 1920 in Hannover, Germany Purchase of shares and acquisition by Mr. Nelke. At this point, pumps are also included in the product range, resulting in the name pumpenboese 1936 Formation of Schönebecker BrunnenFilter (SBF, Schönebecker Well Screens) as a wholly-owned subsidiary of the company Preussag Production of steel products and specialties such as HAGULIT® and rubber-coated casings at HAGUSTA in Renchen, Germany Initially founded in 1920 by Mr. Boese as a simple retail shop in Hannover, the following years saw pumpenboese (which...

Production and locations Germany GWE Headquarters, Peine Administration, sales, application technologies, central logistics GWE Budafilter Hungary, Focus: PVC and PE GWE Pol-Bud Poland, Focus: Steel and specialty products GWE France France, Focus: PVC and PE GWE Tubomin Chile, Focus: Steel and PVC All-round provider in the water well construction sector — as developer, manufacturer, and service provider! Comprehensive solution systems — customized by tradition! GWE Nordhausen Focus: Steel and stainless steel Customized products for projects worldwide! Stainless steel products are produced in...

1. PVC well materials Product overview 12 Screen pipes and casings made of PVC-U 16 Gravel pre-packed screens 20 TNA casings and screen pipes 21 VALUE PVC screen pipes and casings 32 Lowering screens and solid pipes 34 Fire extinguishing wells 45

PVC well materials Value PVC Wire-wrapped screen Casing and screen pipe Casing and screen pipe Casing and screen pipe screen pipe Casing and screen pipe Casing and screen pipe Longitudinal slot Transverse slot Pressure-tight ZSM double spigot socket connection Glued socket Glued socket Non-protruding trapezoidal thread Pressure-tight threaded double spigot socket connection Pressure-tight spigot socket connection with spigot socket glued on one side and double O-ring seal Without KTW (drinking water plastic approval) Without KTW (drinking water plastic approval) KTW (drinking water plastic) approval...

PVC-U as material in water well construction At GWE GmbH, screens and casings for well construction are manufactured according to the standards and DVGW rules and standards for water well construction. On request, we are happy to present the relevant certificate of compliance in accordance with DIN EN ISO 10204. Chemical characteristics The chemical resistance of products made from PVC is extremely high. PVC pipes can resist all types of groundwater, seawater, brine and even diluted acids and bases during long-term use. Even repeated treatment with regeneration and disinfection agents will not...

PVC-U pipe for drinking water supply standardized according to DIN 4925. Product characteristics ■ Material: PVC-U ■ Hygiene certificate pursuant to KTW-BWGL ■ Connection type: Pipe thread or trapezoidal thread Pipe thread According to DIN 4925 Part 1, with reference to DIN 10226-1 cylindrical female thread and conical male thread, pitch 11 threads per inch, DN 35-DN 100 Casings (normal walls) - K casing*** ‘According to company standard, color blue ‘‘R = pipe thread, T = trapezoidal thread Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing...

Casing (thick-walled) - KV casing*** ***The specified values are valid at 23 °C (+/- 2 °C) and 50% humidity Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing clays pumps

Product characteristics ■ Material: PVC-U with gravel sheath made of a gravel-resin-hardener mixture Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing clays pumps

Casings (normal walls)* Extra thick-walled models according to the company standard are available on request. *The specified values are valid at 23 °C (+/- 2 °C) and 50% humidity Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing clays pumps

GWE NORESTA® Physical characteristics** Slot widths: 0.3* - 0.5 - 0.75 - 1.0 - 2.0 - 3.0 mm *= *= only up to DN 100 **The specified values are valid at 23 °C (+/- 2 °C) and 50% humidity Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing clays pumps

Installation instructions: ■ To install the connection, a special lifting cap with integrated holding straps is required. More detailed instructions can be found in the NORESTA 2.0 installation guide. ■ For installation we recommend use of the GWE lubricant with KTW (drinking water plastic) approval. *The specified values are valid at 23 °C (+/- 2 °C) and 50% humidity Drilling mud Grouting material and Submersible Fiberglass Pump riser pipes Steel well materials sealing clays pumps