Pipe Systems  >  PVC U Pipe Systems  >  PVC U Ball Valve  >  PVC U 3-Way Ball Valve L-port ball

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  male end/EPDM  

male end/EPDM

male end/FPM  

male end/FPM

  threaded female ends/EPDM  

threaded female ends/EPDM

  threaded female ends/FPM  

threaded female ends/FPM

PE100 male end/EPDM  

PE100 male end/EPDM

  PE100 male end/FPM  

PE100 male end/FPM


FIP Ball Valves by Kwerk GmbH - Quality and Reliability for Your Pipeline Systems

Welcome to Kwerk GmbH, one of the largest providers in Europe for high-quality FIP Italy valves and fittings. As an authorized online retailer, we offer you a wide selection of PVC-U ball valves that meet the highest quality standards.

Our PVC-U ball valves from FIP are distinguished by their outstanding quality, reliability, and durability. Made from unplasticized polyvinyl chloride (PVC-U), they are chemically resistant, corrosion-resistant, and UV-stabilized, making them ideal for demanding applications in various industries.

Our range includes a diverse selection of PVC-U ball valves to meet different requirements. You will find manual ball valves with lever handles or handwheels for easy operation, as well as automatic ball valves with electric or pneumatic actuators for automated processes. These valves enable precise flow control and ensure reliable sealing.

At Kwerk GmbH, we place great importance on quality and service. Our products undergo strict quality controls to meet the highest standards. As an authorized dealer of FIP valves, you can rely on our expertise and years of experience.

Our dedicated team is ready to assist you in selecting the appropriate PVC-U ball valves from FIP for your specific needs. We offer individual consultation, customized quotes, and excellent customer service.

Trust Kwerk GmbH as your reliable partner for high-quality valves and fittings from FIP Italy. As one of the largest providers in Europe, we take pride in offering you an extensive range of PVC-U ball valves of the finest quality. Visit our B2B portal or contact us today for more information or to schedule a personalized consultation. We look forward to providing you with the best solutions for your pipeline systems.

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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 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.