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Max. capacity: 49 m 3/h (820 l/min) Max. discharge pressure: 8 bar Max. temperature: 110 °C Pump materialss: aluminum, cast iron, AISI 316L steel Certificates: ATEX, FDA, Reach, ROHS
suitable forneutral PH liquids, chemicals and hygienic applicationstrouble-free dry running, self-priming up to 5 meterssmooth flow regulationcompact and durable constructionsmall number of parts – short downtime and lower maintenance costsoil-free air distributor – environmentally friendlycompressed air supply –no electrical installation requireddesigned forATEXzones
Pump capacity:49 m 3/h (820 l/min) Max. discharge pressure:8 bar Max size of solids:3-15 mm Temperature:110 °C Body construction materials:aluminum or stainless steel AISI 316L Diaphragm construction materials:NBR, PTFE or EPDM Valve ball construction materials:NBR, PTFE, AISI 316L, EPDM, polyurethane or ceramic Air distributor construction materials:brass/NBR or optionally AISI 316L/FKM, PET/NBR or PET/FKM Basic differences in material designs: Aluminum and cast ironFor transporting media with a neutral pH, both thick and diluted, containing solid particles or having abrasive properties. Pumps made of aluminum and cast iron can be used, for example, in workshops, the paint industry, sewage treatment plants, etc. Aluminum with PTFE coatingCreated for the printing industry, where an alternative to more expensive PTFE pumps was needed, but aluminum was not chemically resistant. Pumps for use wherever a medium with slightly acidic or alkaline properties needs to be pumped. AISI 316L stainless steelCastings for these pumps are made using the lost wax method, which ensures high surface quality and dimensional accuracy. They are characterized by mechanical strength combined with chemical resistance. AISI 316L steel is resistant to aggressive substances such as nitric acid and sodium hydroxide.
ModelMax. capacity (l/min)BSP threaded connections T25261/2″ T70783/4″ T1201581″ T2203301 1/2″ T4205702″ T8208203″ *T25 is only available in aluminum and cast iron
IndustryApplication example General industryoils, fats, solvents, water, cooling media, lubricants Chemicalacids, alkalis, alcohols, solvents, latex, emulsions Printingadhesives, additives, varnishes, inks, paints, latex, acids, resins, pigments Constructionadhesives, oils, pastes, mine water and slurries Ceramicabrasive liquids, glaze, water, enamels, clay
1. Optional Camlock connections The metal series diaphragm pumps can be ordered with CAMLOCK connections, which consist of two parts: a male and a female part, which contains a seal. They work by placing the male part into the female part and locking it by manually pressing the securing elements. 2. Durable valve seats Valve seats are exposed to erosion caused by the impact of the valve balls. To ensure the highest durability, the seats embedded in the casting are made of AISI 316 steel. 3. Installation flexibility The ports can be rotated 180°. Simply rotate the port to adjust its position to the installation. Plastic ports with BSP or NPT internal threads are supplied as standard. Double ports are also available. 4. Low air consumption The air supply system has been designed to minimize all air channels. This has eliminated all “dead spaces” and consequently achieved maximum pump efficiency.
The Tapflo diaphragm pump is powered by compressed air. Two diaphragms work alternately, pushing liquid into the pumping system. Ball valves act as check valves, directing the liquid in the right direction. During each cycle, the air pressure behind the discharge diaphragm is equal to the liquid lift height on the medium side. This means that Tapflo diaphragm pumps can operate with a closed discharge valve without negatively impacting diaphragm life. SUCTION The retracting diaphragm creates a vacuum, and thus the phenomenon of medium suction. DISCHARGE The second diaphragm simultaneously transfers air pressure to the medium in the second diaphragm chamber, pushing it towards the discharge port.
Long-life diaphragms Tapflo diaphragms are composite constructions, ideal for working in harsh conditions, providing a completely uniform surface in contact with the medium. This allows to avoid leaks through the diaphragm and keep it clean. Diaphragms are available in various materials and colors to suit all needs. Available material versions: EPDM, NBR, FKM, PTFE, PTFE TFM 1705b, white EPDM, PTFE with white EPDM backing, white NBR. Composite diaphragm construction The advanced manufacturing, curing, trimming and finishing process ensures a long service life of the composite diaphragm, which will last for many millions of strokes. The component materials are specially made and adapted to the composite diaphragm technology and the molding process with pressing. The elements are joined using chemical agents and adhesives. (1) PTFE TFM layer(2) front layer(3) core (metal)(4) fabric(5) back layer Economical power supply – air distributors The air distributor, which redirects compressed air to the chambers behind the diaphragms, is the heart of the pump. The distributor is located in the center of the pump between the diaphragms to minimize the air path and dead spots. This design is the key to reliable and economical operation. Thanks to a special sealing system, the distributor does not require lubrication. This not only saves money, but also protects the environment. Available material versions: brass, PET and AISI 316L stainless steel Ball check valves Tapflo pumps are equipped with four check valves to ensure that the liquid is pumped in the right direction. Ball valves are the simplest and most reliable check valve design. They are characterized by tightness and ease of cleaning and replacement. Available material versions: EPDM, NBR, PTFE, PTFE TFM 1635, PE1000, FKM, PU, Ceramic, SiC, AISI 316L.
Drum Pumps | TD Series Provide convenient unloading of small tanks and easy movement of the pump between different tanks and barrels. A lightweight and mobile solution for emptying barrels and containers. The pumps are equipped with a PP or PTFE tube and an AISI 316L stainless steel handle. Features and Benefits: Configurable tube length – the pump tube can be supplied in any length up to 2 meters. Mobile and versatile – the pumps can be easily moved between barrels and containers. Handy and convenient – compact pump equipped with a comfortable handle. ATEX Explosion-Proof Pumps | TX Series Tapflo diaphragm pumps designed for use in potentially explosive atmospheres, made of antistatic PE and PTFE. They can be used in Ex zone 1 in accordance with the ATEX Directive 2014/34/EU. The use of antistatic materials ensures that no electrostatic charges will accumulate in the pump. Conductive material additives increase the electrical conductivity of the pump surface. aluminum and cast iron pumps can be used in Ex zone 1. stainless steel pumps can be used in Ex zones 1 and Ex 0. Pumps with Built-in Pulsation Dampener | TK Series The built-in pulsation dampener is an ideal solution for eliminating pressure surges in the discharge line wherever space in the installation is limited. Available for sizes: TRK20, TK50, TK100, TK200 Pumps with Double Ports |TT Series Tapflo PE & PTFE series pumps can be equipped with double ports on the pump inlet and outlet. This gives the effect of “two pumps in one”, used for mixing or circulating liquids. The medium in one pump chamber is separated from that in the other. Example applications: mixing two liquids with one pump (50/50 ratio); transfer and recirculation of ink for printing machines, transfer and dilution of liquids in one pump. Pumps with Double Diaphragm |TB Series Designed for hazardous applications, such as chemicals. The use of a double diaphragm significantly reduces the risk of leakage of potentially hazardous or valuable media into the air distribution system and the surrounding environment. Features and Benefits: Protection – in case of main diaphragm rupture, the pump is shut down. Monitoring – constantly monitors pumps, tanks, vessels and pipelines for leaks. The Tapflo TB double diaphragm pump (so-called barrier pump) is safer than other barrier systems available on the market. It is part of our range of pumping equipment that monitors and responds to leaks, ensuring the containment of the pumped medium. Smart Energy-Saving Pumps |TC Series The TC series smart pumps are a modification of standard diaphragm pumps by equipping them with LEAP technology introduced by Tapflo.LEAP® or “Low Energy Air Pump” is a patented technology used in air-operated diaphragm pumps to reduce the minimum operating air pressure by reducing internal losses and friction compared to standard pumps. LEAP uses an intermediate system that detects the position of the diaphragm shaft, automatically controlling the diaphragm movement. The pump with LEAP® technology can start pumping at a pressure of 0.3 bar without blocking – in the test, the pump achieved 70% of its maximum capacity before other pumps even started. This means energy savings of up to 70%. Features and Benefits: Retrofit – fits any Tapflo AODD pump, Noise reduction – using lower air pressure reduces pump noise, Available for plastic, metal and hygienic pumps, Extended equipment life, Dosing – the pump allows automatic stopping after the required volume has been dispensed, Improved maintenance – the main valve can be replaced in less than 2 minutes without removing the pump from the installation, Electrical feedback – external pump operation monitoring, Simplified pump control – no need for a pneumatic solenoid valve, reducing costs and simplifying control Dry running, dead-heading Pumps with Pneumatic Emptying To ensure process automation, we have developed a pneumatic pump emptying system. Thanks to this function, the pump can be emptied without having to be dismantled from the installation. Pumps with Ball Valve Lifters |TL Series A great way to empty the pump if it cannot be removed from the installation. Simply lift the ball valve from the valve seat to allow the liquid to drain from the pump.
Pulsation Dampeners for Diaphragm Pumps| DT series The Tapflo DT Active Pulsation Dampener is the most effectiveway to eliminate pressure fluctuations at the pump outlet.It works actively with compressed air and a diaphragm, automatically adjusting to the current pressureto minimize pulsation. Tapflo DT Active Pulsation Dampeners are available for all sizes and material versions of Tapflo diaphragm pumps, including versions designed for use in ATEX explosive atmospheres. Trolleys for Diaphragm Pumps Do you want to use one pump in multiple locations in your facility? Do you have technological processes scattered throughout the factory? We offer mobile solutions tailored to most Tapflo pumps. Thanks to the possibility of free transport of the pump, the use of the device is almost unlimited. Pump trolleys are available in several sizes, as well as in hygienic and industrial versions: Features and benefits: industrial or hygienic design, 3 sizes adapted to the pump used, compact and durable stainless steel construction, ATEX zone design. Alarm System |Guardian TM The Guardian TM system is an energy-saving device designed to protect an air-operated double diaphragm pump from inefficient operation, which consumes unnecessary energy and shortens the life of parts. It also increases work safety in high-risk applications. The Guardian TM system monitors the liquid pressure, changing it if the pressure value rises or falls below the set value. It thus controls pumps in the following cases: Barrier protection – Tapflo double diaphragm pumps (TB series barrier pumps) have an additional set of backup diaphragms. In the event of a leak, the liquid remains inside the pump instead of leaking through the air outlet. The system monitors the pressure between the main and backup diaphragms, stopping the pump if the pressure exceeds the set point. Dry start and stop – the system monitors the pump’s liquid discharge pressure. It stops the pump if the pressure drops below the set point, caused by a lack of medium at the suction and air being drawn into the pump. Pump blockage and restart – the system monitors the pump’s liquid discharge pressure. It stops the pump if the pressure rises above the set point, caused by a closed valve or overpressure in the discharge line. If the pressure drops below the set point, the pump automatically resumes operation. Control Systems |TPUK We offer many solutions that increase the functionality and flexibility of the pump installation, as well as enable control of the pump or system. Pneumatic Dosing Control The dosing control unit allows you to set any air-operated diaphragm pump to transfer a precisely defined and repeatable amount of medium. These devices are fully programmable and allow you to set a specific amount (TPUK-BP) or a specific operating time (TPUK-BT). Pneumatic Medium Level Control A fully pneumatic automatic system used to maintain a set liquid level in a tank. VFC Stroke Counter/Low Pressure A volt-free contact (VFC) stroke counter is available for integration with PLC systems. Lifetime Counter Indicates the total number of strokes made by the pump throughout its operating life. A compact, easy-to-use system will allow you to control servicing and implement planned preventive maintenance. Filter-Regulator and Needle Valve Set By using this set, the pump will always operate with the appropriate air quality and optimal pressure and speed, which will save energy and extend the life of the pump components. The set includes a filter-regulator, pressure gauge, wall bracket, needle valve and/or water separator. The filter is 5 microns and the regulator is 0-12 bar and is available in sizes from 1/8″ to 3/4″ for all sizes of Tapflo air-operated diaphragm pumps. Features and benefits: optimal quality and pressure of air supplied to air-operated diaphragm pumps, energy savings, extended life of pump components.
FLOODED SUCTIONSEL-PRIMINGSUBMERSIBLE Installation designed with positive pressure on the suction side. This is the best solution when it is necessary to completely empty the tank or when pumping high-density media.The design of Tapflo diaphragm pumps allows them to operate with high vacuum. It is possible to start the pump with vacuum on the suction side and this does not cause any damage to the device. Suction lift is up to 5 meters from a dry pipeline and up to 8 meters from a wet pipeline. The suction capacity depends on the pump size.All Tapflo diaphragm pumps can be installed as submersible. It is important to check the chemical resistance of all elements that will be in contact with the medium. A condition for pump operation is to discharge the air outlet from the pump above the liquid level using a suitable hose.
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