GF Aquasystem is one of the most technically advanced systems on the market. It is ideal for transporting both hot and cold water in a variety of building systems as well as industrial and marine applications. The system features high temperature and pressure resistance while being hygienically safe and eligible for use in drinking water supply systems. Thanks to its chemical resistance behavior, the system is also a great choice for transferring or discharging chemical media.

value-bar-icon-3 Versatile and reliable

Suitable for a wide range of applications, GF Aquasystem pipes and fittings are made from high-quality raw materials, making them reliable and durable.

value-bar-icon-5 Quick and easy to install

The system is lightweight, easy to handle and the pipes and fittings are straightforward – installation could not be simpler.

Suitable for drinking water

The materials used in the system are fully recyclable, non-toxic and comply with current international standards, making them safe for use with drinking water.

value-bar-icon-3 Long service life guaranteed

High-quality raw materials and state-of-the-art technology ensure the system has a long service life – even under harsh conditions.

PSO 701

Mounted on a wooden box that doubles as protection during transit and a workbench, the PSO 701 is a compact, portable machine for joining plastic pipes in sanitary systems. The heating element can also be detached and used as a manual fusion tool.

MC 110

The MC 110 can be easily set up for joining plastic pipes and fittings of various sizes, making it ideal for workshops and jobsites. The robust, ergonomic parts can be carried by hand, while the planer can be electrically or manually operated as required.

GF 800-1600

Hydraulic butt fusion machines are used in heavy-duty operations on construction sites with large-size plastic pipes and fittings. The electric control box guarantees a safe power outlet to all machine devices.


As general-purpose and high-performance sensors, GF Signet pH/ORP electrodes are ideal for a wide range of applications.

Pressure Reducing Valves

These compact valves for water installations are made of bronze and are designed to reduce the upstream pressure to a lower, constant pressure level.

Plastic Pipes

Sturdy and lightweight, plastic pipes are ideal for use in a wide range of applications. Versatile yet durable, these all-rounders offer exceptional reliability and proven quality.

Ball Valve 546 Pro

The new generation with standard lockable lever, data matrix code and modular design guarantees long-term sustainability. The Ball Valve 546 Pro meets every challenge and application, including simple water applications or complicated processes in the chemical industry, microelectronics, measurement and control technology or food and beverage industry.

Diaphragm Valve DIASTAR Six

Engineered specifically for low-pressure applications, DIASTAR Six diaphragm valves are a cost-effective solution wherever top reliability, zero corrosion and optimized flow are required. The compact dimensions make them easy to install and remove.

Diaphragm Valve 514

Intended for use in numerous applications from chemical processing to water treatment, GF Piping Systems Type 514 diaphragm valves offer very linear flow characteristics with the highest flow rate available on the market. The true union connection of the Type 514 allows for fast installation and exchange.

Diaphragm Valve 317

Large-scale pipes require a diaphragm valve with equally large dimensions, which is why the GF Piping Systems range includes the Type 317. Fitted with a graduated optical position indicator, the proven screw design provides excellent flow control.

Diaphragm Valve DIASTAR 025

Large-scale pipes require a pneumatic diaphragm valve with equally large dimensions, which is why the GF Piping Systems range includes the Type 025. Fitted with an intuitive accessory interface, the proven screw design provides excellent flow control.

Diaphragm Valve 515

Intended for use in numerous applications from chemical processing to water treatment, GF Piping Systems Type 515 diaphragm valves offer very linear flow characteristics with the highest flow rate available on the market. The spigot of the Type 515 allows for durable installation with no dead space.

Caps & End Caps

Caps provide a tight seal and stop the flow direction of a piping system. GF Piping System caps are available in different dimensions, different plastic materials and malleable iron to fit all of your needs. Temporary caps ease the pressure testing of an installed pipeline.

Double Containment Pipes

Double containment pipes provide optimal safety for high-risk and highly demanding applications. The double containment system prevents the leakage of hazardous materials and protects human beings, the environment and production equipment. There are visually or automated leak-monitoring systems.

Pre-insulated Pipes

Easy to join and install, lightweight pre-insulated pipes help to minimize energy loss and reduce running costs over the long-term. Insulated with efficient, high-energy foam, pre-insulated pipes are ideal for both new constructions and retrofitting.

Multilayer Pipes

Multilayer composite pipes combine the advantages of plastic and metal. Thanks to the flexibility of plastic and the strength of metal, the pipes are ideally suited to withstand the wide range of temperatures and pressures found in both cold and hot water systems.

Pipe Outlets & Boxes

With GF Piping Systems boxes, pipes can be replaced easily without damaging the wall thanks to the flexible box feet.

Fixpoint Fittings

Fixpoint fittings are used for the correct design and installation of a piping system. Various solutions for all relevant applications are available.

Clamp Screw Connections

The GF Piping Systems clamp screw connection guarantees a secure, water-pocket-free connection at full flow.


Unions are the best mechanical connection between pipe segments and for installing all kinds of components up to the dimensions of d110/DN100. Unions are available in a wide range of materials and jointing options. The connection is fast and very robust.

Tees, Wyes & Crosses

When creating branch lines, lightweight tee, wye, and cross fittings make installation much easier. These fittings are made from a range of materials and malleable iron and cover multiple dimension possibilities including various reductions on the same fitting.


Designed to protect sensitive components in piping systems, strainers filter out pollutants from the media. This extends the system’s service life, reduces maintenance, improves operation and minimizes additional expenditure.


GF Piping Systems produces a range of hard-wearing saddles including branch, clamp-on, strap-on and glue-on variants in various sizes. The saddles are lightweight yet durable, enabling them to support plastic and metal piping systems with ease.


Reducers are used for effecting a smooth transition between two pipes or fittings with different dimensions. The wide selection available covers an exceptionally diverse area of applications. They are available in short or long versions and in centric or excentric versions.

Manifolds / Distributors

GF Piping Systems manifolds and distributors are used to distribute drinking water from one supply line to several drinking water lines. All water-carrying fittings are made of corrosion-resistant materials to withstand high pressures and temperatures in building technology installations.

Installation Fittings

GF Piping Systems has an extensive range of installation fittings available in a wide range of materials, ensuring secure and accurate positioning of sensors and electrodes for exceptional performance. The fittings match perfectly with all GF Signet products and are key for the easy installation of measurement equipment.

Flange Connections

Flange connections are often the best mechanical connection between pipe segments or for installing valves up to very big dimensions.

Couplers & Sockets

Simplify the pipe installation process with couplers and sockets. Specially designed to slide easily over pipes with no extra equipment required, they are cemented, welded or mechanically connected to create a pressure-tight joint.

Bends & Elbows

Bends and elbows are essential fittings that easily change the direction of pipes. The extensive range available offers not only multiple materials but also different curvature degrees to easily fit your piping system.

Adapters & Transitions

Adapters and transitions are essential for connecting metal with plastic pipes or even two plastic pipes. This range covers multiple materials and offers reliable connections while offering high flexibility during assembly.

Diaphragm Valves

The GF diaphragm valve is a fully plastic solution with the best corrosion resistance on the market, easily adapting to differing process conditions.


GF offers a carefully selected range of point level switches. Different application conditions require dedicated working principles, specific process connections and wetted materials of excellent quality. GF point level switches ensure safety in your industrial tank applications.


The GF 2260 and 2270 are rugged and high-performance ultrasonic level transmitters for non-contacting continuous level measurement. They are easy to install and reliable within ranges up to 15 meters.


In vessels containing heavily agitated liquids or dense foam layers, the GF radar level transmitters are the best choice in terms of performance, reliability and durability.


The high-end hydrostatic level sensors from GF offer continuous level measurement. Unaffected by foam layers, agitation or chemical fumes, they provide superior chemical compatibility.

Float Switch

Float switches make controlling water and chemical application levels easy and economical. They are quick to install and have a maintenance-free compact design.


GF Piping Systems offers a carefully selected range of point level switches. Different application conditions require dedicated working principles, specific process connections and wetted materials of excellent quality. GF Piping Systems point level switches ensure safety in your industrial tank applications.

Ultrasonic Flow Meters

The GF ultrasonic flow meter combines technically sophisticated measurement technology with simplistic mounting, impressive versatility and minimum maintenance. The result: a measuring device that can be retrofitted and seamlessly integrated without intervention in the piping system or in the production process.

Variable Area Flow Meter

Variable area flow meters are used to measure flows in industrial piping applications. They offer a wide range of measurement options for a variety of situations.


GF Signet Magmeters are versatile, easy-to-install sensors with no moving parts and patented Magmeter technology.

In-line Rotor Flow Sensors

In-line Rotor Flow Sensors offer the ability to measure opaque and transparent liquids with simple installation.

Paddlewheel Sensors

Paddlewheel flow sensors are highly repeatable, rugged sensors that offer exceptional value with little or no maintenance.

Dissolved Oxygen (DO)

Features the latest optical technology for dissolved oxygen measurement and eliminates the replacement of membrane and reference solutions

Conductivity / Resistivity

GF Signet Conductivity/Resistivity electrodes are designed to provide versatile installation and accurate sensing across a broad, dynamic range.


The GF Signet Chlorine Analyzer System is an integrated, all-in-one system designed to measure free chlorine or chlorine dioxide.

Faucets & Outlet Valves

GF Piping Systems faucets and outlet valves feature a robust construction made out of bronze, making them a suitable option for a wide variety of applications in water installations.

Smart Actuators

Smart actuators take advantage of the latest digital technology to offer users more benefits including greater efficiency, added features and ease of use.

Cone Check Valve 561/562

A new generation of valves: The Cone Check Valve 561/562 is designed to prevent the backflow of media into sensitive systems. This valve minimizes pressure loss and comes with a special seal to guarantee leakproof operation.

Solenoid Valves

Made from corrosion-resistant plastic and suitable for use in a wide range of applications, GF Piping Systems solenoid valves offer unparalleled reliability.

Venting Valve 595

Intended for use in aeration systems, the Ventilating Valve Type 595 ensures safe venting of liquids and gases in the event of negative pressure. This valve is easy to install, while the robust materials and excellent reliability minimize maintenance.

Solenoid Valve 165

The two-way, servo-acting and media-separated design of the Solenoid Valve Type 165 makes it ideal for use in systems containing contaminated or corrosive fluids. The solenoid technology is hermetically isolated for maximum protection.

Solenoid Valve 160/161

Designed for simple installation and removal, the Solenoid Valve Types 160 (2/2 way) and 161 (3/2 way) are made from durable PVC-U for maximum thermal stability and corrosion resistance. Both variants feature a manual override and metric solvent cement socket.

Solenoid Valve 157

A pivoted-armature solenoid valve, the Solenoid Valve Type 157 is made of PVC-U, making it suitable for use with aggressive alkaline and acidic solutions. It offers high process reliability and features a built-in manual and lockable override for testing purposes.

Solenoid Valve 166

The Solenoid Valve Type 166, featuring two-way, direct-acting, media-separated design, is extremely resistant to corrosive solutions and offers exceptional process reliability. It is available in different materials to cover various fields of application.

Diaphragm Valve DIASTAR Ten

The ideal fail-safe diaphragm valve for standard applications, the DIASTAR Ten is highly resistant to chemical corrosion and suitable for use with abrasive media. Rotatable air connections make installation simple, while multiple accessories are available for enhanced performance.

Multi-Parameter Controller

The Multi-Parameter Controller is field-commissioned with a user-specified combination of inputs, outputs and relays using easy-to-install modular boards within the base unit.

Temperature/Pressure Sensors

GF Signet Temperature/Pressure sensors have one-piece, injection-molded PVDF bodies that are ideal for corrosive liquids while saving time and money.

Pneumatic Actuators

Pneumatic actuators are an economical solution for installations with a high number of actuated valves. They are fast, adjustable and have a fail-safe mode.

Electric Actuators

Actuators are used to open and close valves. Electric actuators are powered by an electric motor that converts a control signal into mechanical motion.

MSA 2.0 / 2.1 / 2 MULTI

Robust, lightweight and practical, the MSA 2 series features a barcode scanner, a cooling system for multiple jointing operations and ample internal memory for storing records. An intuitive interface gives the operator a clear overview at all times.

MSA 4.0 / 4.1

The MSA 4.0 / 4.1 is a lightweight electrofusion unit that offers full traceability while documenting the welding process from start to finish. This series comes with built-in GPS and an optional wireless scanner, making it simple to forward data to other locations.

Butt Fusion Machines

For rapid, reliable and high-quality butt fusion joints, look no further than the GF Piping Systems range of innovative, easy-to-use butt fusion machines.

Ball Valves

The product range with solutions for the widest range of applications.

Ball Valve 543

The Ball Valve type 543 is the ideal valve for all mixing and distribution processes, including redirecting, mixing, distributing or even shutting off a medium in areas of application within the chemical process industry, microelectronics or measurement and control technology.

Ball Valve 542

The manual Ball Valve type 542 offers uncompromising quality and is available in various materials and connection variants. It is ideal for use in everything from simple water applications to manual applications in demanding processes.

Ball Valve 523

The advantage of Ball Valve type 523 is exact dosing of small quantities. Its circular scale and specially shaped ball enable the precise dosing of media. Small volumes for which a linear flow is required and a sudden increase in flow are not.

Ball Valve 375

The Ball Valve 375 by GF Piping Systems is compact and cost-effective and has an ergonomic lever. Thanks to its ease of installation and long service life, this manual valve is perfect for piping systems requiring little maintenance.

Laboratory Ball Valve

Lightweight, robust and with compact dimensions, the Laboratory Ball Valve 322/522 is ideal for use in applications where space is at a premium. It is extremely easy to install and available in metric and imperial configurations.

ELGEF Plus Ball Valve

Designed for use in underground gas and water distribution piping systems, ELGEF Plus plastic ball valves can be installed and connected with ease. No maintenance is required thanks to a long service life and zero risk of corrosion.

Diaphragm Valve 517

Intended for use in numerous applications from chemical processing to water treatment, GF Piping Systems Type 517 diaphragm valves offer very linear flow characteristics with the highest flow rate available on the market. The flange connection of the Type 517 allows for mechanical jointing to nearly everything.

Diaphragm Valve 519

Ideally suited to flow control and open/close duties, the Type 519 diaphragm valve is a three-way zero-static variant that can be used in a wide range of applications. Dead space is virtually eliminated around the valve thanks to the innovative design.

Diaphragm Valve 604/605

The compact and pneumatic Type 604/605 diaphragm valve is designed for high cycle frequency. They are extremely resistant to corrosion, leakproof and maintenance-free, and can also be installed in confined spaces.

Diaphragm Valve DIASTAR Ten Plus

For applications in which pressure is applied from both sides of the diaphragm valve, opt for the DIASTAR TenPlus. Like the DIASTAR Ten, this valve is easy to install, will not corrode and controls the system flow rate exceptionally well.

Diaphragm Valve DIASTAR Sixteen

Designed by GF Piping Systems for installation in high-pressure water applications, the DIASTAR Sixteen Diaphragm Valve maintains a stable temperature, has an excellent pressure rating and is extremely efficient. It is also the perfect solution for all high-purity and cleanroom applications.


The electric diaphragm valve e-Diastar allows simple automation without compressed air. Benefit from short downtimes thanks to fast and easy installation or retrofitting of manual diaphragm valves and lower maintenance costs.

Butterfly Valves

Corrosion-resistant, lightweight, easy to operate and with a convenient modular design, GF’s butterfly valves are certain to boost the efficiency of any gas or liquid piping system.

Butterfly Valve 578

GF Piping Systems Type 578 butterfly valves with high corrosion resistance are perfect for use in chemical processing and industrial water treatment. Their versatile design minimizes torque and allows them to be used as a wafer-style or lug-style valve.

Butterfly Valve 567

A modular design and an intelligent yet simple operating principle make the GF Piping Systems Type 567 butterfly valve the perfect addition to any set-up. This wafer-style butterfly valve is made of highly durable, corrosion-resistant plastic and can be installed with ease.

Check Valves

Easy to install, hardwearing and suitable for a range of applications, plastic check valves are guaranteed to prevent backflow into the piping system.

Wafer Check Valve 369

Large installations require a valve that is simple to insert and maintain, which is why GF Piping Systems developed the Wafer Check Valve Type 369. It can be installed horizontally or vertically and guarantees excellent flow characteristics.

Venting & Bleed Valves

Lightweight and simple to install, GF Piping Systems ventilating and bleed valves safeguard against excessive pressure and vacuums in pipes.

Venting & Deventing Valve 591

Light, compact and available for a range of piping configurations and tanks, GF Piping Systems Ventilating & Bleed Valve Type 591 ensures reliable venting of liquids and gases, preventing media backflow and jamming.

Pressure Control Valves

Full pressure regulation, zero safety risk: GF Piping Systems pressure regulating valves are simple to install and operate, and offer superb reliability.

Pressure Reducing Valve 582

Durable, dependable and simple to use, the Type 582 Pressure Reducing Valve’s design reduces the pressure on the outlet of the valve. It is used to reduce higher pressure from main lines or to protect sensitive devices from being damaged by too much pressure.

Pressure Reducing Valve V82

The V82 Pressure Reducing Valve is made of durable, corrosion-free plastic and contains an actuator that is hermetically sealed against aggressive media in the pipe system. The innovative design allows it to be installed in virtually any position. This valve is also made for pipes of bigger dimensions.

Pressure Retaining Valve 586

Also known as an overflow, safety or backpressure valve, the Type 586 Pressure Retaining Valve works to keep the pressure at the valve inlet constant at all times, thereby ensuring problem-free operation. Made of fully molded, high-grade plastic, this is an intelligent addition to any piping system.

Pressure Retaining Valve V86

The V86 Pressure Retaining Valve works to keep the pressure at the valve inlet constant at all times, ensuring problem-free operation of the system as a whole. It is made for pipes of larger dimensions.

Pressure Tapping Valves

Fully protected against corrosion, GF Piping Systems pressure tapping valves are compact, versatile and safe. Installation and tapping can be performed at full working pressure and the valve outlet can be rotated by 360° for preferred orientation.


GF Piping Systems’ range of plastic valves contains everything required to safeguard operational reliability in piping systems – even those hard-to-find designs.

Angle Seat Valve 303/304

Both exceptionally reliable and versatile, the type 303/304 angle seat check valves from GF Piping Systems can be installed horizontally or vertically. The check element can be easily serviced without having to dismantle the entire valve.

Float Valve V141

Efficiency is the defining feature of the GF Piping Systems type V141 float valve, which is designed to automatically control a system’s fluid level. Integrated seals ensure safe operation, while robust housings minimize maintenance.

Throttle Valve V251

For efficient throttling of media in piping systems and flawless operation, look no further than the GF Piping Systems Type V251 throttle valve. Made of high-grade, durable plastic, this compact valve is highly resistant to corrosion and chemicals.

Water Jet Suction Pump P20

P20 self-priming water jet suction pumps from GF Piping Systems have no mechanically moving parts, making them extremely compact and reliable. Thanks to the corrosion-resistant molded plastic design, they are ideal for mixing, dosing and handling liquids.

Butterfly Valves

For exceptional pressure, temperature resistance and minimal pressure loss throughout the system, metal butterfly valves are the ultimate solution.

Butterfly Valve 038

This lug style butterfly valve has an epoxy- or Rilsan-coated ductile cast iron housing. It can be used as an end or intermediate valve. If the valve is used at the end of a line, the maximum pressure is 5.6 bar for DN50 to DN100 and 3.5 bar above DN200.

Butterfly Valve 039

This wafer-style butterfly valve has an epoxy-coated ductile iron housing (other liner materials available on request). It has a standard connection dimension of EN 1092 PN10 and a mounting flange according to EN ISO 5211. It is only meant for use as an intermediate valve.

Distribution Valves

Water installations require guaranteed fail-safe components and the GF JRG range of distribution valves made of bronze provide the perfect solution.

Drain Cock Valves

Sturdily constructed, GF’s drain cock valves are used to empty installations. Made of brass or bronze, they are capable of temperature resistance as high as 90°C and are perfectly suitable for most valves in water installations.

Hose Tabs & Garden Valves

GF JRG hose taps and garden valves antifrost are robustly constructed with a stainless steel seat that ensures a wide range of conditions are supported while still maintaining peak performance. Garden valves antifrost allow for water-tapping all year round, irrespective of frost or heat. They have a male thread connection, with a pressure rating of up to PN16


Filters are highly effective at purifying in drinking water installations, leaving suspended impurities behind on the filter element.

Backflush Filter

Made of hardwearing plastic and metal parts, these filters have an innovative backwashing feature that cleans the filter element where the impurities are retained. This ensures efficient operation while keeping maintenance to a minimum.

Fine Filter

GF Piping Systems fine filters are designed for drinking water installations in order to protect the piping system from particles.

Slanted Filter

The GF Piping Systems slanted filter range is made of extremely durable metal that can withstand high operating pressures. The integrated filter element protects drinking water installations from particles.

Safety Valves

A simple yet intelligent design ensures that these metal safety valves reliably protect water heaters from pressure-related overload.

Straight & Slanted Seat Valves

These shut-off valves are a compact solution for high-performance needs. They ensure an efficient flow rate and are used in a wide variety of conditions and applications.

Slanted Seat Valves

GF JRG slanted seat valves provide a compact solution for high-performance needs. They ensure an efficient flow rate in a wide variety of conditions and applications. They also have a robust and durable design with a main body made of bronze and a valve rod and seat made of stainless steel. The upper part of the valve is free of contamination traps.

Straight Seat Valves

GF JRG straight seat valves provide a compact solution for high-performance needs. They ensure an efficient flow rate in a wide variety of conditions and applications. They also have a robust and durable design with a main body made of bronze and a valve road and seat made of stainless steel. The upper part of the straight seat valve is free of contamination traps.


GF Piping Systems produces an additional range of unique valves that substantially improve flow rates and safeguard operational efficiency.

Ball Valves

GF Piping Systems metal ball valves for water installations are simple and reliable shut-off valves. They are made of robust metal, able to withstand a wide range of temperatures and available with different connection types.

Check Valves

Our GF metal check valves are mechanical safety devices in your pipeline that allow flow in one direction only. Our check valves are made out of bronze and can withstand high operating pressures and temperatures.

Circulation Controllers

Drinking water has to be safe, which is why GF Piping Systems has a range of circulation controllers designed to automatically control temperature, prevent the formation of biofilm, and facilitate thermal disinfection of the system when required.

Control Valves

GF Piping Systems’ control valves maintain the desired flow characteristics within the piping system and monitor the temperature of the media. Their extremely simple design results in compact dimensions, allowing installation in confined spaces.

Sampling Valves

GF Piping Systems’ sampling valves are designed to facilitate microbiological water analysis. Effective up to 90°C, these valves virtually eliminate dead space and are simple to fit to an existing system.

Shut-off Counter Units

Powerful performance in a small package: The GF Piping Systems shut-off/counter unit is easy to install and connect to a hot/cold water system. It comes with a cover to conceal it from sight and can handle high nominal pressures and temperatures.

Thermoblending Valves

GF Piping Systems’ thermoblending valves keep mixed water at a constant temperature, which allows for exceptional control accuracy and a high level of operational safety. They do not require an auxiliary energy source making them energy-efficient.


Ozan Kovanci

Product Manager

Georg Fischer Hakan Plastik A.S.

Pınar Mahallesi, Samsun-ordu Karayolu 12. Km

59500 Cerkezköy