Pipe Systems  >  PVDF Pipe Systems


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PVDF Pressure Pipe SDR 21  

PVDF Pressure Pipe SDR 21


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  PVDF 90° elbow for socket welding  

PVDF 90° elbow for socket welding


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  PVDF 45° elbow for socket welding  

PVDF 45° elbow for socket welding


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PVDF 90° Tee for socket welding  

PVDF 90° Tee for socket welding


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  PVDF Double socket for socket welding  

PVDF Double socket for socket welding


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  PVDF Reducer,spigot, reduced socket for socket welding  

PVDF Reducer,spigot, reduced socket for socket welding


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PVDF Stub with serrated face for socket welding, for use with backing rings  

PVDF Stub with serrated face for socket welding, for use with backing rings


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  PVDF End Cap, for socket welding  

PVDF End Cap, for socket welding


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  PVDF Union, for socket welding, FPM O-Rings  

PVDF Union, for socket welding, FPM O-Rings


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PVDF Union bush for socket welding, metric series  

PVDF Union bush for socket welding, metric series


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  PVDF Union end for socket welding, metric series  

PVDF Union end for socket welding, metric series


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  PVDF union nut, cylindrical thread according to ISO228, injection molded  

PVDF union nut, cylindrical thread according to ISO228, injection molded


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PVDF 2-way ball valve with female ends for socket welding, metric series  

PVDF 2-way ball valve with female ends for socket welding, metric series


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  PVDF  2-way ball valve with handle lock, with female ends for butt welding, metric series  

PVDF  2-way ball valve with handle lock, with female ends for butt welding, metric series


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  PVDF  2-way ball valve with male ends for socket welding, metric series  

PVDF  2-way ball valve with male ends for socket welding, metric series


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PVDF  2-way ball valve with long spigot male ends in PVDF for butt welding/IR  

PVDF  2-way ball valve with long spigot male ends in PVDF for butt welding/IR


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  PVDF  2-way ball valve with fixed flanges, drilled EN/ISO/DIN PN10/16  

PVDF  2-way ball valve with fixed flanges, drilled EN/ISO/DIN PN10/16


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  PVDF Compact diaphragm valve with male ends for socket welding,  metric series, EPDM  

PVDF Compact diaphragm valve with male ends for socket welding,  metric series, EPDM


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PVDF Compact diaphragm valve with male ends for socket welding,  metric series, FPM  

PVDF Compact diaphragm valve with male ends for socket welding,  metric series, FPM


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  PVDF Compact diaphragm valve with male ends for socket welding,  metric series, PTFE  

PVDF Compact diaphragm valve with male ends for socket welding,  metric series, PTFE


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  PVDF diaphragm valve with male ends for solvent welding, metric series, EPDM  

PVDF diaphragm valve with male ends for solvent welding, metric series, EPDM


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PVDF diaphragm valve with male ends for solvent welding, metric series, FPM  

PVDF diaphragm valve with male ends for solvent welding, metric series, FPM


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  PVDF diaphragm valve with male ends for solvent welding, metric series, PTFE  

PVDF diaphragm valve with male ends for solvent welding, metric series, PTFE


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  PVDF Hand operated Butterfly valve, EPDM  

PVDF Hand operated Butterfly valve, EPDM


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PVDF Hand operated Butterfly valve, FPM  

PVDF Hand operated Butterfly valve, FPM


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  PVDF Gearbox operated Butterfly valve, EPDM  

PVDF Gearbox operated Butterfly valve, EPDM


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  PVDF Gearbox operated Butterfly valve, FPM  

PVDF Gearbox operated Butterfly valve, FPM


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PVDF Ball check valve with ends for socket welding, metric series  

PVDF Ball check valve with ends for socket welding, metric series


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PVDF Piping Systems - Unrivaled Resistance to Acids, Alkaline Substances, and UV Radiation



 
PVDF piping systems offer exceptional resistance to acids, organic liquids, and UV radiation. They are primarily used in the fields of chemical and process engineering. PVDF is also ideal for ultra-pure water and high-purity water systems in the semiconductor and photovoltaic industries due to its high purity. Our PVDF pipes, fittings, and valves are manufactured from high-quality PVDF SOLEF® raw material, which provides excellent properties for industrial applications. In our navigation menu, you will find a well-organized selection of PVDF valves, including PVDF ball valves, PVDF diaphragm valves, PVDF check valves, and PVDF butterfly valves.

PVDF is a thermoplastic engineering material with a fluorine content of approximately 59%. Through the polymerization of the vinyl fluoride monomer, PVDF (polyvinylidene fluoride) is created—a plastic with outstanding mechanical, physical, and chemical properties. The application range of PVDF extends up to temperatures of 140°C. The PVDF raw material from SOLEF® consists of granules and does not contain any additional additives such as thermal stabilizers, fillers, or processing aids. By avoiding such additives commonly found in other thermoplastic materials, the excellent properties of PVDF, such as its chemical resistance, are preserved even after processing.

PVDF is characterized by its exceptional chemical resistance. It is resistant to most inorganic chemicals such as acids, salts, aliphatic and aromatic hydrocarbons, organic acids, alcohols, and halogenated solvents. However, it is not resistant to basic amines, alkalis, alkali metals, elemental fluorine, and highly polar solvents such as ketones.

Another advantage of PVDF is its outstanding abrasion resistance, confirmed by the Taber abrasion test. This test measures material abrasion under defined conditions, and PVDF exhibits the best abrasion resistance among all our thermoplastic materials.

PVDF also offers excellent mechanical properties, especially in high-temperature applications. Additionally, it is highly resistant to aging in atmospheric conditions, sunlight, and UV radiation.

We have provided this information with the utmost care and best knowledge. However, please note that no legal binding can be derived from it.


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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
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 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
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

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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