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seamless pipe bends 11°, DVGW certified  

seamless pipe bends 11°, DVGW certified


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  seamless pipe bends 22°, DVGW certified  

seamless pipe bends 22°, DVGW certified


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  seamless pipe bends 30°, DVGW certified  

seamless pipe bends 30°, DVGW certified


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seamless pipe bends 45°, DVGW certified  

seamless pipe bends 45°, DVGW certified


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  seamless pipe bends 60°, DVGW certified  

seamless pipe bends 60°, DVGW certified


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  seamless pipe bends 90°, DVGW certified  

seamless pipe bends 90°, DVGW certified


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seamless pipe bends 11°  

seamless pipe bends 11°


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  seamless pipe bends 22°  

seamless pipe bends 22°


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  seamless pipe bends 30°  

seamless pipe bends 30°


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seamless pipe bends 45°  

seamless pipe bends 45°


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  seamless pipe bends 60°  

seamless pipe bends 60°


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  seamless pipe bends 90°  

seamless pipe bends 90°


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The first and only DVGW-certified seamless bend pipeline construction at the highest level








 
After years of research, we are the first and only manufacturer capable of producing compliant DVGW-certified seamless bends with "r ≈ 1.5 x d", which meet the required minimum wall thickness according to DIN EN 12201-3 and DIN EN 1555-3, thus providing optimal conditions even for the highest stress. Products with the DVGW mark provide assurance that they are high-quality products that fully comply with recognized rules and the current state of the art.

Our unique DVGW-certified seamless bend sets itself apart from other seamless bends and is proven to have remarkable durability and high reliability.

By adhering to the minimum wall thickness, norm-compliant DVGW-certified seamless bends from STAR offer the highest level of safety and enable pipeline construction at the highest level according to standards.







The standards DIN EN 12201-3 and DIN EN 1555-3 regulate quality standards for PE plastic pipe systems used in gas and water supply, as well as drainage and pressure sewage pipelines.

These standards prescribe dimensions, welding lengths, tolerances, and material properties. They also include requirements for the wall thickness of seamless bends. The suffix "-3" indicates that the standards apply not only to the pipe itself but also to the finished fittings.

In summary, these standards establish guidelines for the construction and installation of PE pipe systems, ensuring that they meet the required quality standards and provide safe and reliable performance. Compliance with these standards allows manufacturers and installers to demonstrate that their products adhere to recognized rules and the current state of the art.

 




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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
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IBC TANKS/CONTAINERS


IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP
MULTI FLEX BLOCK for IBC BULK CONTAINER


Attachment parts for tank construction


Vapor separators
CO2 - absorbes
Manholes
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


Inserts
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Threaded fittings
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Milled plastic parts


Loose flanges and blind flanges made of sheet material

Static mixers


Static mixers made of plastic

Strainers


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



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