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Valves and machines for
pulp and paper production

`
pulp and paper industry

Deeply rooted
in the pulp and paper industry

In addition to the well-known Alpine peaks, forests are the main feature of Austria’s landscape. It is not only tourism that is a logical consequence of these geographical conditions. Austria has a long tradition in forestry, which has led to a strong pulp and paper industry.
Five million tons of paper are produced annually in Austria.

If output is measured in relation to the domestic consumption of paper and cardboard, Austria is actually the third largest paper-producing country in the world. This leads to a high concentration of paper machines and pulp mills, as well as plant engineering companies. With our headquarters in Graz, we are represented in the heart of this region and are therefore closely connected with them.

No paper machine and
no pulp mill
without Flowtec

More than 30 years ago, Flowtec founder Bedo Coc began his work in the pulp and paper industry. For over 20 years, Flowtec has been supplying end customers and supporting plant engineering and construction companies. Whether fine paper, tissue, packaging board or paper recycling – in 30 years we have built up comprehensive know-how relating to the processes and requirements of paper production and pulp technology.

It is therefore not surprising that Flowtec products are now represented in almost all of the plants of the 24 Austrian producers. In our sales region, more than 60 customers in the paper and pulp industry rely on our valves and our know how as well as our partners in the area of plants, machines and systems.

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Brochure - Overview Plant engineering
Product catalog Plant engineering
Product catalog - Valves for pulp & paper industry
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Able to withstand
the toughest conditions

Whether special sticky, acid or alkaline resistance in the digester, a high degree of contamination and abrasive media – the pulp and paper industry places high demands on the robustness and wear resistance of valves, systems and components. Over the years, we have established a partner network that allows us to offer products specifically developed for the industry and develop individually tailored solutions if required.

Over the years we have built up a partner network with whom we can offer products specially developed for the industry and, if necessary, develop individually specialized solutions.

Product lead

Long live the junk trap!

At Flowtec, we look for clean solutions: Dirt sluices are subjected to exceptional stresses in paper treatment. In our view, this is not a place for weak links. That’s why we rely on a particularly robust design with a long operating life: The Orbinox Junk Trap – the right connection for dirty business.

We are here for you.

As an expert for plants, machines and system components in the paper and pulp industry, I would be happy to assist you with your project.
Contact us now without obligation
Kremsner-Michael-Flowtec-Aussendienst
Sales Manager Plant engineering - Pulp & Paper
Michael Kremsner


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Experienced and certified

Your project is in good hands with us

Flowtec is on hand to help you with projects of all sizes. Highly trained employees draw on many years of experience in project management and therefore ensure the smooth running of your project. We are already your competent contact person during the initial planning phase.

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The entire spectrum.

All standard valves can be found in our product overview. Just a few clicks will take you to your desired standard product. Not found the right one? Our diversity goes much further and our sales representatives will provide comprehensive consulting on individual solutions.
To the valves
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The entire choice of valves.

Products for the pulp & paper industry

Orbinox-bi-directional-knife-gate-valve-Sphäroguss-EB
Bi-directional knife gate valve

“The gate valve model EB from Orbinox is a bi-directional wafer type knife gate valve.

The knife gate valve was designed for waste water treatment applications.

The design of the housing and seat ensures blockage-free shut-off when using suspended solids in many areas.”

KitzPerrin-two-and-multi-way-ball-valve-for-demanding-applications
Two and multi-way ball valve for demanding applications
"The Kitz multi-way ball valves are used to distribute or reroute a wide variety of media. There are basically two different types: one type that routes all connections on one level and another type with a connection that is rotated downwards at an angle of 90°. This is intended to make planning and installation much easier. The ball valves are available in a soft and metal seated version depending on the application."
JC-DIN-din-flanged-ball-valve-short-pattern-floating
DIN flanged ball valve, short pattern, floating
"The JC Valves flanged ball valve type 516 / 540 is a floating ball valve according to DIN with a short DIN face to face length. The standard version of the ball valve includes a anti-blow out stem, an antistatic device, a pressure balancing cavity hole and a ""live loaded"" packing. A large selection of materials makes the soft seated, floating DIN flanged ball valve flexible to use. With a wide range of approvals (Fire Safe, Fugitive Emission, ATEX, TRCU, CRN, SIL 3, and many others), it can be used in virtually all industries. "
Ball check valve from Erhard
Ball check valve
The Erhard ball check valve offers backflow protection based on the ball check valve operating principle. In the open position, the sealing ball is pushed out of the flow cross-section by the medium. The Erhard ball check valves are particularly suitable for use in the waste water sector where there is a high risk of clogging. Advantages: Erhard ball check valves are resistant to dirt and are extremely maintenance-friendly as the valve works without mechanically moving parts. In addition, the ball check valve has low flow resistance in the open position.
No dead space bottom outlet valve from Guichon
No dead space bottom outlet valve
Guichon Kegelbodenventile und Kolbenventile werden je nach Kundenanforderung konstruiert und gefertig. Als Basis gibt es dazu vorgefertigte Standardmodelle, die individuell angepasst werden. Diese können mit Kegel im Gehäuse öffnend, mit steigendem Kegel, metallisch dichtend oder auch mit radialer Abdichtung ausgeführt sein. Die Bodenablass-Kolbenventile werden hauptsächlich für hochviskose, aggressive Medien eingesetzt. Sie können als Regel, AUF/ZU und Handarmaturen verwendet werden. Das Hauptmerkmal liegt an der totraumfreien Medienführung, weshalb die Armaturen oft auch als Probenahmeventil verwendet werden. Des Weiteren sind sie an Tankböden im Einsatz.
Somas-ball-segment-walve-flanged-design-KVTF
Ball segment walve, flanged design
"The Somas ball segment valve type KVTF is a flanged ball segment valve with a centrically mounted shaft and the KVXF has an eccentrically mounted shaft. The valve housing consists of one piece and has a full bore. The unique system of a shaft with a clamping coupling was developed by Somas for backlash-free torque transmission and enables extremely precise control behaviour"
RTValves-DIN-metal-seated-din-gate-valve
Metal seated DIN gate valve
"Metal seated RT Valvole gate valves in cast design are used when minimal pressure drop and/or a bi-directional ON/OFF operation is required. All standard gate valves have a ""full bore"" because the wedge is completely retracted in the open position. This ensures minimal pressure drop. Design: * The housing material is made of cast steel. * The valves have a bolted or pressure seal bonnet (for higher pressure) to achieve minimal turbulence and flow restrictions. * Fixed, flexible or split wedge types are available."
Tosaca-DIN-safety-relief-valve-high-pressure-1216HP
DIN safety relief valve high pressure
"Threaded high-pressure safety valve. Readily available for quick delivery and suitable for use in very demanding industries. Available with a female thread connection BSP or NPT and can be used up to a pressure rating of PN 100. The valves can also be equipped with other additional options. Because of a big stock of different kind of valve bodys and many different trims, nothing stands in the way of quick deliveries. Various approvals ensure that these valves are also used in very demanding industries."
JC-metal-seated-din-flanged-ball-valve-long-short-pattern-floating
Metal seated, DIN flanged ball valve, long/short pattern, floating
"The JC Valves ball valve type 3516 / 3540 / 3316 / 3340 is a floating ball valve with a metal seal. It can be designed in both a long or short DIN face to face length. The standard version of the ball valve includes a anti-blow out stem, an antistatic device, a pressure balancing cavity hole and a ""live loaded"" packing. A large selection of materials makes the metal seated, floating DIN flanged ball valve flexible to use. With a wide range of approvals (Fire Safe, Fugitive Emission, ATEX, TRCU, CRN, SIL 3, and many others), it can be used in virtually all industries. "
Somas-Metal seated butterfly valve-MTVxMTVFxMTVL
Metal seated butterfly valve
Somas shut-off valves type MTV, MTVF and MTVL are on/off valves and control valves. These valves are designed to control many different liquids, gases and steam over a wide temperature range. They are all triple eccentric valves and due to the unique design of the valve disc, a solid stainless steel seat can be used. This solid seat is resistant to high flow velocities and temperatures. This allows us to achieve high functional reliability even in difficult applications. The MTV valve can be supplied as a wafer type or lug type valve. The valve type MTVF is a double flanged valve. They are normally supplied with a metal seat.
Emerson-pfa-lined-ball-valve-neotecha-NBTxNTC
PFA lined ball valve, Neotecha
" Um eine besonders gute mechanische Festigkeit des Kerns und eine hohe chemische Beständigkeit der Auskleidung zu erreichen hat Neotecha eine spezielle Technik entwickelt um PFA auf einen Metallkern aufzutragen. Mit dieser Technik bietet Neotecha Armaturen die weltweit bekannt sind, für ihre Zuverlässigkeit in den schwierigsten korrosiven Anwendungen. Der PFA-ausgekleidete Kugelhahn von Neotecha-Emerson eignet sich aufgrund seiner qualitativ hochwertigen Verarbeitung hervorragend um gute Standzeiten in den härtesten Prozessumgebungen zu erreichen. Zuverlässigkeit in den anspruchsvollsten korrosiven Anwendungen! "
Sampling valve for pharmaceutical applications from Guichon 616M/ 655M
Sampling valve for pharmaceutical applications
Das Probenahmeventil 616M von Guicon ist speziell für die Anwendung im Pharmabereich konzipiert. Die Armatur ist totraumfrei, hat innen und außen polierte Oberflächen bzw. verfügt über einen Pot, um Produktproben direkt entnehmen zu können.
Somas-Ball segment valve, wafer design, short face-to-face dimension-KVTW-D
Ball segment valve, wafer design, short face-to-face dimension
"The unique system of a shaft with a clamping coupling was developed by Somas for backlash-free torque transmission and enables extremely precise control behaviour. The Somas ball segment valves type KVTW with a centrically mounted shaft and type KVXW with an eccentrically mounted shaft are produced in a wafer version. The D-version of the valve is produced with a short length. The valve is also produced in the A-version with the standard length (see Si-113). The valve body of the wafer type ball segment valves is produced in one piece. The spring seat is available in three material alternatives (PTFE, PTFE 53 and HiCo [high cobalt alloy])."
Somas-Ball-segment-valve,-wafer-design,-standard-face-to-face-dimension-KVTWA
Ball segment valve, wafer design, standard face-to-face dimension
"The unique system of a shaft with a clamping coupling was developed by Somas for backlash-free torque transmission and enables extremely precise control behaviour. The valve body of the Somas wafer type ball segment valve KVTW-A / KVXW-A is produced in one piece. The spring seat is available in three material alternatives (PTFE, PTFE 53 and HiCo [high cobalt alloy]). The type KVTW with a centrically mounted shaft, as well as the type KVXW with an eccentrically mounted shaft are produced in a wafer version. The A-version of the valve is produced in the standard long lengths typical of the market. The valve is also produced in the D-version with a shorter length (see Si-114). "
ICP-3-piece ball valves
3-piece ball valves
The ICP Valves 3-piece ball valves have a 3-piece nody and are made of stainless steel, in a floating version with a full bore valve design. Connections: - KH 140: Thread according to DIN 259/2999 (GAS) - KH 141: Thread according to ASME B1.20.1 (NPT) - KH 142: Socket weld ends according to ASME B16.11 & DIN 3239 part 2 - KH 143: Butt weld ends according to ASME B16.25 & DIN 3239 part 1 Marking: CE - PED PN63 (up to 2”) / PN25 (2½“-4“)
Tosaca-DIN-safety-relief-valve-1400
DIN safety relief valve
Flanged safety valve for the low and high pressure range according to DIN. For a very huge range of applications. The Tosaca safety valve DIN 1400 is available in different materials and designs and can therefore cover an extreme range of applications. Because of a big stock of different kind of valve bodys and many different trims, nothing stands in the way of quick deliveries. The valves can also be equipped with other additional options. Various approvals ensure that these valves are also used in very demanding industries.
LDM-din-on-off-and-control-globe-valve-stellite-version
DIN on/off and control globe valve, "stellite" version
"Shut-off control valve with a Stellite seat and a pressure balanced cone (from DN200) as well as linear flow characteristics. Available with a gland seal or bellows seal. For nominal diameters from DN15 - DN400 Can be used in temperature ranges of -60°C to +550°C depending on the choice of material."
Herberholz-butterfly-valve-damper-RDxRA
Butterfly valve damper
The throttle valves RD and RA are designed as a wafer type valve with a centric valve disc and are suitable for operating temperatures up to 800°C, depending on the choice of material. For flanges according to DIN EN 1092-1 or ASME B16.5 / ASME B16.47. Lengths according to the company standard. Connecting flange for actuators to DIN EN ISO 5211. Testing according to DIN EN 12266. Versions: RD without seat (leakage approx. 1% of surface equivalent), RA with metal travel stop ring (leakage approx. 0.5% of surface equivalent), RA with seal ring (leakage approx. 0.3% of surface equivalent), RA with metal travel stop ring with seal ring (leakage approx. 0.1% of surface equivalent)
Orbinox-uni-directional-high-performance-knife-gate-valve-HK
Uni-directional high performance knife gate valve
"The knife gate valve type HK from Orbinox is a uni-directional wafer valve for general industrial applications. The gate valve can be used for consistencies up to 5%. The design of the housing and seat ensures blockage-free shut-off when using fibrous media and media containing solids in many industrial sectors. The cast sealing ring system (type K) improves the tightness and makes it easier to change seals."
Orbinox-uni-directional-knife-gate-valve-EX
Uni-directional knife gate valve
"The standard knife gate valve type EX from Orbinox is a uni-directional wafer valve. It is suitable for general industrial applications. The design of the housing and seat ensures blockage-free shut-off when using suspended solids in many industrial sectors."
Quadax-4-offset-eccentric-metal-seated-high-performance-quadax-butterfly-valve
4-offset-eccentric metal seated high performance Quadax butterfly valve
"Thanks to its four offset eccentric design and state-of-the-art manufacturing technology, the Quadax valve meets the highest tightness requirements in 100% of cases. Due to the innovative design principle, even extreme temperatures ranging from –270°C to 800°C are not a problem. The output cone used on the butterfly is elliptical. The section under a particular angle results in a circular and therefore larger sealing area. As a result, the four offset eccentric high-performance valve is friction-free, has higher Kv values and with absolute tightness. Available in double flange, lug type, butt weld, gate valve replacement and top entry"
Erhard-double-eccentric-butterfly-valve-ROCOwave
Double eccentric butterfly valve
The double eccentric butterfly valve ROCO wave is designed for water applications. The valve is characterised by high energy efficiency, a flow-optimised design, minimal pressure losses and continuous corrosion protection. The connection between the shaft and valve disc is covered by a polygon connection. The double eccentric butterfly valve has a modular actuator concept through the use of a handwheel, electric actuator, stem extension, weight-loaded hydraulic actuator, pneumatic actuator or chainwheel.
JC-din-ansi-forged-trunnion-design-soft-metal-seated-flanged-ball-vale
DIN/ANSI forged trunnion design, soft/metal seated, flanged ball vale
"The JC Valves ball valve series 6000 and 7000 are flanged trunnion ball valves according to ANSI or ANSI but with a DIN flange. They can be designed as both soft and metal seated valves. The standard version of the soft or metal seated flanged ball valve in trunnion design includes a anti-blow out stem, an antistatic device, a pressure balancing cavity hole and a ""live loaded"" packing. A large selection of materials makes the ball valve even more flexible. With a wide range of approvals (Fire Safe, Fugitive Emission, ATEX, TRCU, CRN, SIL 3, and many others), it can be used in virtually all industries. "
Erhard-non-slam-nozzle-check-valve
Non slam nozzle check valve
ERHARD nozzle check valves are designed for universal use and are particularly economical check valves for untreated and potable water as well as purified waste water due to their design. Special features include the ultra-low pressure loss due to optimised flow cross-sections, a flow-efficient valve disc and valve stem gasket, as well as optimum hydraulic behaviour with short closing travel to minimise pressure surges.
Erhard-Control-valve-RV
Control valve
ERHARD control valves type RV are designed for throttling and regulation in water treatment and water distribution plants as well as in hydropower plants. The slotted bush also provides optimum flow behaviour for harmless energy conversion. The control valve is ideally suited for continuous operation during cavitation. The ERHARD control valve is available with a handwheel, electric actuator, hydraulic or pneumatic piston actuator. A straight or angle version is possible.
Wakmet-DIN high pressure, double plate wedge gate valve
DIN high pressure, double plate wedge gate valve
The forged welded design of the metal seated DIN high-pressure gate valves are made of forged steel with a gland seal or bellows seal prevents material defects such as cracks or porosity. This type of design ensures that non-metallic impurities are eliminated or excluded. Wakmet protects the valve against overpressure with a safety valve unit. This type of construction allows easier isolation of the gate valve and direct access to the preset safety valve. Axial bearing for easier opening/closing of the valve. This valve is mainly used in the energy sector and in the area of the pulp and paper industry.
TTV Wafer / lug type butterfly valve
Wafer / lug type butterfly valve
The TTV centric flanged / double flanged butterfly valve is available in a wide range of materials. Depending on the application, the seats are available in the most common material EPDM or NBR, but also in different types of silicone, Hypalon, Nordel, Viton and many others. Suitable for all industries and the most diverse applications due to the different choice of seats. Depending on the application, available in the most common material EPDM or NBR and in different types of silicone, Hypalon, Nordel, Viton and many others.  
PTFE lined butterfly valve, CST economy, ChemValve-Schmid
PTFE lined butterfly valve
The ChemValve-Schmid butterfly valve CST is the world's leading modular PTFE lined butterfly valve. The PTFE lined valve is produced to the highest quality standards for the safe handling of aggressive media. It is designed for the use with highly chemical media and is therefore used in almost all industries. Spherical structural elements reduce friction and therefore increase the service life.

At your service.

Your experte for valves in the pulp and paper industry.
Get in touch!


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Paper is not just paper.
Not just in its application,
but also in the production process.

From cardboard and graphic paper to fine and special paper – the paper types and their areas of application are as varied as the different production specifications.

As a long-term partner in the paper industry, we know that this does not only require a wide range of valves. Due to the large production range within a factory, the plants often need to be flexibly adaptable. This is only possible if the valves also cover a large application and adjustment range.

This way you get a regulated and uniform headbox

Nothing can upset the this ball valve: We ensure a perfectly regular headbox with this special control valve.
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Our winning formula
for top quality and planning certainty.

The required basis weights must be strictly observed in order to achieve the appropriate material quality in stock preparation. That’s why in stock preparation we rely on valves that demonstrate a high degree of precision and reliability in all shut-off and control tasks, such as filler dosing or consistency control.

In pulp dewatering, the fibre type and length is a decisive factor that we take into account in order to recommend an appropriately designed valve because this is the only way to avoid fibre bundles and therefore quality defects and waste or production loss.

In the area of waste paper, interfering contaminants like paper clips, sand, plastic or glass residues often lead to classic malfunctions, for example, caused by jamming, wedging or blockages. In order to avoid unplanned stoppages in reject handling, we service.

Cost-effective
and economical.

Plant engineering and construction teams are faced with very different requirements in paper production depending on the end product, but all sectors have one challenge in common: abrasiveness. Titanium oxide (TiO2) or calcium carbonate (CaCO3) reduces the resistance of valves, especially in the production of special paper. Wear-resistant valves through to fully ceramic models or special coatings are used here to achieve better durability and therefore extend the service life.

In addition to high-quality, durable products, our range also includes inexpensive valves that ensure cost-effectiveness and efficiency even when the maintenance strategy involves the regular replacement of valves in highly abrasive environments.

Do not hesitate to contact us

Asking will cost you nothing is an Austrian saying. Whether you have a general question or are looking for a solution to a specific problem, we will be happy to help you.
Enquire now
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