Pipe Systems  >  PE Pipe Systems  >  Compression fittings

Overview categories   Overview all products   Custom plastic pipe   Leftovers


[Show subcategories]
  Connection screw connections  

Connection screw connections

[Show subcategories]
  Tee 90°  

Tee 90°

[Show subcategories]
Elbow 90°  

Elbow 90°

[Show subcategories]
  Elbow 45°  

Elbow 45°

[Show subcategories]
  Flanged adaptor  

Flanged adaptor

[Show subcategories]
End plug  

End plug

[Show subcategories]
  Wall plate elbow fitting  

Wall plate elbow fitting

[Show subcategories]
  Clamp saddle  

Clamp saddle

[Show subcategories]
Underclamp tapping saddle  

Underclamp tapping saddle

[Show subcategories]
  PP ball valve  

PP ball valve

[Show subcategories]


[Show subcategories]

PE pipe systems - maximizing performance and sustainability

Polyethylene Pipe Systems, commonly known as HDPE, offer a multitude of advantages for your piping needs. With its exceptional durability, flexibility, and resistance to corrosion, HDPE pipe outperforms traditional metal and plastic piping systems. Let’s explore the remarkable characteristics that make HDPE the preferred choice for long-lasting and cost-effective piping solutions.

Unmatched Corrosion Resistance: Say goodbye to the costly problems associated with rust and corrosion. Unlike metal pipes, HDPE does not rust, rot, or corrode. Its resistance to biological growth ensures extended service life and significant cost savings.

Flexible, Ductile, and Fatigue-Resistant: HDPE pipe is not rigid but rather flexible and ductile, making it highly resistant to fatigue. It can handle occasional surge events common in water distribution systems, resulting in fewer disruptions and superior performance. In fact, HDPE’s flexibility often allows for the use of thinner walls compared to other plastic pipes, maximizing efficiency.

Longevity and Reliability: Count on HDPE for a durable piping infrastructure. With a service life estimated between 50 to 100 years, HDPE delivers long-term reliability, reducing maintenance and replacement costs. Its proven track record in the natural gas industry for over 40 years speaks to its exceptional performance.

Leak-Free Joints: HDPE piping systems can be joined using heat fusion, creating permanent, leak-free connections. This reliable fusion process has been used successfully in the natural gas industry and can be easily learned by trained personnel. Additionally, HDPE pipe can be joined using Stab or Mechanical Fittings, providing versatility for various applications.

Trenchless Installation: Embrace eco-friendly trenchless technology for minimal disruption during installation. HDPE’s flexibility, tensile strength, and abrasion resistance make it an ideal choice for trenchless installations under environmentally sensitive areas such as creeks, roads, and right-of-ways. With reduced ground disruption and cost-effectiveness, HDPE ensures efficient pipeline installation.

Pipeline Rehabilitation: Revitalize aging pipelines with HDPE through slip lining and pipe bursting techniques. These methods enable cities to rehabilitate or replace older infrastructure, improving functionality and increasing capacity. HDPE’s resilience ensures a reliable and long-lasting rehabilitation solution.

Sustainability: HDPE’s eco-friendly nature adds another layer of appeal. Its manufacturing process requires less energy compared to non-plastic pipes. The lightweight design reduces transportation costs and environmental impact. The fusion joining method minimizes the need for additional fittings. Moreover, HDPE does not emit hazardous toxins during production or use, making it a safe and sustainable choice. It can also be recycled for non-pressure piping applications, promoting a circular economy.

Choose HDPE pipe systems to maximize performance, sustainability, and cost-efficiency in your piping projects. Experience the advantages of this versatile and reliable solution that ensures long-term success while minimizing environmental impact.

Optimize your shopping experience with our detailed delivery information

Plastic pipe systems

Overview of plastic pipe systems
Technical information on ABS pipe systems
Technical information on PVC  U pipe systems
Technical information on PVC  U transparent pipe systems
Technical information on PVC  C pipe systems
Technical information on PP pipe systems
Technical information on PP-R pipe systems
Technical information on PE pipe systems
Technical information on PVDF pipe systems

Chemiedur - pipe

Technical information on UP-GF (FRP) pipe systems
UP-GF (FRP) pipes
UP-GF (FRP) molded parts and connection
UP-GF-PP (FRP) molded parts and connection
UP-GF (FRP) adhesive collars
UP-GF (FRP) loose flanges
Pot Strainer DN 200 - DN 500 Inliner PP/FRP Coated
Pot Strainer DN 200 - DN 500 Inliner FRP/CBL Coated
Angle Seat Strainer DN 200 - DN 400 Inliner FRP/CBL Coated
Manhole mad of FRP and PP/FRP

Plastic pipes

Calculator for cutting pipes
Guidelines for sawing plastic pipe
Leftovers in plastic pipe
Standardization of plastic pipes and molded parts
PVC U pipes deviations
Pressure loss in pipe systems out of PVC U, PVC C and ABS pipe systems
Distinction between Rp, R and G threads
Screw lengths for flange connections

Plastic fittings

PVC U transparent ball valves
Diaphragm valves
Block valves
Butterfly valves
Plastic needle valves


Plastic Valves according to ATEX

New EU guideline 2014/34/EU
Plastic Valves in EX zones
Y-Strainers PP-EL DN 15 - DN 50
Check valves PP-EL DN 15 - DN 50
Angle seat valves PP-EL DN 15 - DN 50

Bonding of plastic pipes

Bonding manual
Video showing the bonding of pipes

Plastic welding

Guidelines for extrusion welding

Grids / support grids

GFK grids
Grids out of PP -el electrically conductive
Profile support grids out of PP -el electrically conductive

Molded ventilation parts

Ventilation technology

Chemical hose

PVC transparent hose with fabric inlay

Industrial tanks and chemical containers

Dosing tanks and outer containers 35 – 1000 Liter
Salt dissolving tanks 60 -5000 Liter
Storage tanks and vats
Storage tanks for water
Safety and collecting troughs
Industrial tank delivery program
Dosing tanks with agitator
Dosing tank agitators
Dosing tanks with attachments
Dosing tanks made of sheet material
Customized chemical containers
Dosing tanks with level indicators



IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP

Attachment parts for tank construction

Vapor separators
CO2 - absorbes
Revision nozzles
Block flange

Filter housings and filter cartridges

PENTEK 3G Slime Line filter housings
PENTEK 3G Standard filter housings
PENTEK Big Blue filter housings
PENTEK PP high temperature filter housings
PENTEK PP all nature filter housings
PENTEK filter bags for Big Blue filter housings
PENTEK surface filter cartridges
PENTEK filter cartridges for depth filtration
PENTEK filter cartridges with activated carbon
CINTROPUR filter systems
CINTROPUR water filters

Flange configurator

Blind flanges, loose flanges,  rectangular flanges

Chemical resistance

Table of chemical resistance for plastic pipe systems

Machined plastic parts

Screw-in parts
Threaded fittings
Screw fittings

Milled plastic parts

Loose flanges and blind flanges made of sheet material

Static mixers

Static mixers made of plastic


Single-type and double-type strainers
Pot strainer DN 300
Angle seat strainer DN 500

Flow meters

Variable area flow meters
Configuration tool for flow meters

Filter presses

Laboratory filter presses

Injection molded parts

Scraper made of PE for filter press

Kwerk Practice Blog

The Kwerk team blogs from the field here

Partnership at the highest level.