Star Water Technology · Türkiye
UPVC valves & fittings engineered for high-pressure water systems
Patented ball valves, fittings and pipe systems for water treatment, irrigation, aquaculture, chemical processing and swimming pools — manufactured in Türkiye and delivered to 40+ countries.
- 2000+ products
- Patented ball valve design
- ISO 9001 certified
- EN ISO 1452 compliant
Products
A complete UPVC flow-control range
2000+ products in 12 families — valves, fittings, pipes and accessories.
Product data sheets, ready to download
Product pages include a specification table and a branded PDF data sheet in English, Turkish and French.
Patented design
The ball valve you service with its own handle
Fitvalf’s patented UPVC ball valve turns its handle into a tool. Fit the handle into the slot to tighten or loosen the unions, or onto the pipe connection to adjust the ball pressure — no spanners, no special tools.
- Available in 2 models
- Slip (solvent cement) connection
- Threaded connection
Pipe connection
Slot
Union
Handle
Name tag
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Step 1Adjust the ball pressure
Take out the union and the pipe connection, place the handle and turn it to adjust the ball pressure.
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Step 2Turn the union with the handle
Pull out the handle, place it in the slot and turn the union with it — on site, in seconds.
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Video
See it in action
The patented ball valve range in under a minute.
About us
Quality and innovation from Türkiye to the world
Star Water Technology develops and manufactures high-performance UPVC pipe fittings and valves under its internationally registered brand, FITVALF. With the support of our parent company GEMAŞ Genel Mühendislik A.Ş., we began UPVC production in 2005 and have grown steadily in domestic and international markets.
Superior quality and strength
High mechanical strength and robust quality for reliable long-term performance.
Specialised expertise
A dedicated focus on high-pressure UPVC fittings and valves ensures consistent quality.
Critical sector integration
Essential components in irrigation, industrial water treatment and plumbing.
Why UPVC
Built for demanding fluid systems
Unlike traditional metal piping, UPVC does not corrode, scale or rust — ideal for long-term use in industrial and domestic installations.
Technical CenterHigh chemical resistance
Suitable for acids, alkalis, salts and a wide range of aggressive fluids.
Smooth inner surface
Minimises pressure loss and prevents deposits for efficient flow.
Lightweight, easy installation
Quick assembly with solvent cement or mechanical connections.
Long service life
Resistant to UV radiation, weathering and wear in diverse environments.
Safe and hygienic
Approved for potable water supply and suited to irrigation and process water.
Chemical resistance chart
Industries
Trusted wherever water works hard
From irrigation and greenhouses to chemical processing, FITVALF valves and fittings handle the most demanding water environments.
Industrial Water Treatment
Reverse osmosis, demineralisation and neutralisation lines under constant chemical exposure.
Agricultural Irrigation
Fertigation, drip lines and greenhouse headers.
Chemical Industry
Safe dosing and transfer of acids and caustics.
Fish Farms
Lead-free, saltwater-immune flow control.
Food Industry
Hygienic, taste-neutral beverage and poultry lines.
Infrastructure & Municipal
Leak-free, long-life water networks.
Swimming Pool & Water Features
Chlorine- and salt-resistant circulation lines.
Manufacturing
Integrated production under one roof
Our 4,000 m² facility in the İTOB Organized Industrial Zone combines injection moulding, machining and warehousing, supported by a dedicated team of over 50 employees.
- Precision injection moulding with high-density virgin UPVC compounds
- Pressure ratings up to PN 16
- Patented ball valve designs
- Production certified under ISO 9001
Catalogue
The 2026–2027 Technical Catalogue
The full FITVALF range of 2000+ products with dimensions, pressure ratings and specification tables — ready for engineers, installers and distributors.
- Valves, fittings & pipes
- Technical specifications
- PDF download
Global reach
From Türkiye to 4 continents
Backed by our manufacturing capacity in Türkiye and a worldwide distribution network, FITVALF guarantees reliable supply and responsive support.
Europe
Germany, Italy, Spain, France, United Kingdom, Greece, Poland, Romania and the Balkans.
Middle East & North Africa
United Arab Emirates, Saudi Arabia, Egypt, Jordan, Iraq and Morocco.
Central Asia & CIS
Azerbaijan, Uzbekistan, Kazakhstan and Georgia.
Americas
Expanding presence across key Latin American and North American fluid management distributors.
Need help choosing the right valve or fitting?
Talk to our team about your application, quantities and delivery requirements.