Pharmaceutical diaphragm pumps

Pharmaceutical diaphragm pumps

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Diaphragm pharmaceutical pumps developed in cooperation with one of the world’s leading suppliers and designed for use in the pharmaceutical and biotechnological industries.

This hygienic pump, made of HDPE, PTFE or PP, has all wetted parts made of USP Class VI certified materials, thus meeting the most demanding purity standards. The Tapflo pharmaceutical pump is quick and easy to maintain, keeping service costs and process downtime to an absolute minimum.

Diaphragm pharmaceutical pumps are manufactured from special clinically tested materials, in accordance with USP and FDA. They can be used in ATEX explosion hazard zones.

Diaphragm pharmaceutical pumps developed in cooperation with one of the world’s leading suppliers and designed for use in the pharmaceutical and biotechnological industries.

This hygienic pump, made of HDPE, PTFE or PP, has all wetted parts made of USP Class VI certified materials, thus meeting the most demanding purity standards. The Tapflo pharmaceutical pump is quick and easy to maintain, keeping service costs and process downtime to an absolute minimum.

Diaphragm pharmaceutical pumps are manufactured from special clinically tested materials, in accordance with USP and FDA. They can be used in ATEX explosion hazard zones.

Technical data
Pump capacity: 49 m3/h (820 l/min)
Max. discharge pressure: 8 bar
Max size of solids: 3-15 mm
Temperature: 100 °C
Housing materials: PE, PTFE
Diaphragm materials: PTFE, PTFE 1705B, EPDM, NBR, FKM
Valve ball materials: PTFE, EPDM, NBR, AISI 316L steel, PU, Ceramic, FKM
Air distributor materials: brass, AISI 316L steel or PET
Basic differences in material designs:
PE HD (polyethylene) High abrasion resistance, 6-7 times better than polypropylene (PP) – this allows the use of such pumps for pumping, e.g., slurries with strong abrasive properties. PE is resistant to most aggressive chemicals, such as concentrated acids and alkalis. The maximum operating temperature is 70 °C.
PTFE (pure polytetrafluoroethylene) High chemical resistance – pumps made of this material can handle even the most corrosive substances, e.g., concentrated nitric acid. The maximum operating temperature is 100 °C.
Available sizes:
Model Max. capacity (l/min) BSP threaded connections  
 

Sizes of Tapflo plastic diaphragm pumps



T53 60 3/4″
T103 125 1″
T203 330 1 1/2″
T403 570 2″
Typical applications
Industry Application example
Chemical acids, bases, alcohols
Food soups, milk, yogurts, spirits, chocolate, dough, cream, pastes
Cosmetic perfumes, toothpaste
Paint and varnish paints, inks, varnishes, glues, adhesives, solvents
Mechanical oils, greases, coolants, cleaning fluids, sewage
Surface treatment chemicals
Water treatment pumping samples, dosing acids and alkalis
Paper glues, sodium silicates, dyes, titanium oxides
Key benefits
Advantages of Tapflo plastic diaphragm pumps 1. Installation flexibility
The ports can rotate 180°. Simply rotate the port to adjust its position to the installation. Plastic ports with BSP or NPT internal threads are supplied as standard. Other versions, including stainless steel, are available on request.
2. Massive and durable body
The pump body is machined from a solid block of PE or PTFE. The massive construction protects against mechanical loads as well as aggressive chemicals. All wetted parts are made of USP Class VI certified materials.
3. 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.
4. Design created for chemicals
The multilayer diaphragm has a completely uniform surface (without metal elements) on the medium side. This is an ideal solution for transporting chemicals.
Operation principle

The operating principle of Tapflo diaphragm pumps

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.

Construction
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 helps prevent leaks through the diaphragm and keeps it clean.

Diaphragms are available in various materials and colors to suit all needs.

Available material versions: PTFE, PTFE 1705B, EPDM, NBR, FKM.

Membrany w pompach membranowych Tapflo
Composite diaphragm construction

The advanced manufacturing, curing, trimming, and finishing process ensures a long service life for 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.

Kompozytowa konstrukcja membran w pompach membranowych Tapflo

(1) PTFE TFM layer (2) front layer (3) core (metal) (4) fabric (5) back layer

Dystrybutory powietrza w pompach membranowych Tapflo 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 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: PTFE, EPDM, NBR, AISI 316L steel, PU, Ceramic, FKM.

Kule zaworowe w pompach membranowych Tapflo
  • Technical data

  • Typical applications

  • Key benefits

  • Operation principle

  • Construction

Pump capacity: 49 m3/h (820 l/min)
Max. discharge pressure: 8 bar
Max size of solids: 3-15 mm
Temperature: 100 °C
Housing materials: PE, PTFE
Diaphragm materials: PTFE, PTFE 1705B, EPDM, NBR, FKM
Valve ball materials: PTFE, EPDM, NBR, AISI 316L steel, PU, Ceramic, FKM
Air distributor materials: brass, AISI 316L steel or PET
Basic differences in material designs:
PE HD (polyethylene) High abrasion resistance, 6-7 times better than polypropylene (PP) – this allows the use of such pumps for pumping, e.g., slurries with strong abrasive properties. PE is resistant to most aggressive chemicals, such as concentrated acids and alkalis. The maximum operating temperature is 70 °C.
PTFE (pure polytetrafluoroethylene) High chemical resistance – pumps made of this material can handle even the most corrosive substances, e.g., concentrated nitric acid. The maximum operating temperature is 100 °C.
Available sizes:
Model Max. capacity (l/min) BSP threaded connections  
 

Sizes of Tapflo plastic diaphragm pumps



T53 60 3/4″
T103 125 1″
T203 330 1 1/2″
T403 570 2″

Performance curves

Diaphragm pump films