DuraCirc®
The revolutionary Alfa Laval DuraCirc® is the first circumferential piston pump that delivers the perfect balance of durability, reliability, high efficiency and superior hygienic performance. Combined with a broad range of flow rates and pressures along with capabilities for simple service, DuraCirc keeps your processes up and running.
No more compromises: Best-in-class offering for supreme performance, superior hygiene and simpler service – all in the same pump
- Optimized for high volumetric efficiency, ensuring cost-effective pump selection and high product quality
- Hygienic design compliant with global standards, including EHEDG and 3-A
- Reliable, long-term operation thanks to durable, robust, heavy-duty, all-stainless steel construction
- Easy to service and maintain with fully interchangeable spare parts
- High process flexibility and reduced capital costs due to the broad range of model sizes, flow rates and pressures
Pump performance, hygienic design and ease of service are essential to hygienic processes. Yet manufacturers in the dairy, food, beverage, confectionery, and home-personal care industries often must sacrifice one essential to achieve another. Not anymore. The Alfa Laval DuraCirc® circumferential piston pump (CPP) delivers it all – high volumetric efficiency, EHEDG and 3-A conformance, and quick and easy service.
For a cost-effective pump selection offering a broad application scope, the range consists of 13 models, capable of flow rates up to 150 m3/hr (660 gpm) and pressures of 40 bar (580 psi).
Simplify service in terms of complexity and time with user-friendly features including a truly front-loading, self-setting single mechanical seal, use of a single long-life oil lubricant, and external shimming.
Katalog na dosegu roke
Katalog izdelkov za higiensko opremo "Blizu pri roki" vsebuje navodila za uporabo izdelkov, povezave do animacij, brošure in sezname za naročanje.
Portal CAD
Portal CAD podjetja Alfa Laval je osnovna platforma za prenos podrobnih informacij o izdelkih, 2D-risb in 3D-modelov izdelkov.
Servis
Naša posebna globalna servisna mreža vam nudi podporo z deli in strokovnim znanjem, kjer koli ste in kadar koli jo potrebujete. Z zagotavljanjem večjega časa delovanja, razpoložljivosti in optimizacije vam pomagamo zagotoviti miren spanec in povečati donosnost naložbe. Skupaj z vami lahko naše storitve vključimo v pogodbo o servisiranju Alfa Laval za predvidljivo in brezskrbno delovanje.
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Supreme Performance
Designed with close pump head clearances, the DuraCirc® circumferential piston pump(CPP) maximizes volumetric efficiency and process yield. Thirteen models offer a wide performance envelope with a flow rate capability up to 150 m3/hr (660 gpm) and operating pressures up to 40 bar (580 psi). This makes optimal pump sizing and selection easy, thereby reducing capital costs and increasing process flexibility.
Based on a robust, reliable design, DuraCirc® features include:
- Advanced port and pump-head geometry, providing a very low NPSHr characteristic. This significantly reduces cavitation risk and maintains pump and media integrity whilst increasing process flexibility in challenging applications
- Long-life, heavy-duty bearings, supporting rigid shafts located in a solid stainless steel gearcase, which reduce shaft movement and allow close pump-head clearances. This minimizes pump-head contact and ensures process uptime
- A modular seal design, which makes seal conversion easy without requiring re-machining or additional flush housings, should the process application change
- An optional retrofit port, the DuraCirc® Uni-Fit, enabling easy, direct replacement of existing circumferential piston pumps from both Alfa Laval and other brands, without requiring pipework modification in existing process systems
Varno izpolnjuje industrijske higienske zahteve, kar zagotavlja celovitost vaših procesov in
kakovost vaših izdelkov
Superior hygiene
The all-stainless-steel DuraCirc® circumferential piston pump is certified to meet global standards for hygienic design, including EHEDG and 3-A. In contrast to many other circumferential piston pump brands, the DuraCirc® provides both excellent cleanability and high volumetric efficiency.
Features that reduce the risk of contamination include:
- Profiled, product-wetted elastomers that are FDA-compliant and have a defined compression, thereby eliminating crevices and dead zones
- A robust gearcase with optimally positioned heavy-duty bearings that support large diameter shafts, which minimize pump-head contact, thereby reducing the risk of media contamination
- An all-stainless steel construction suitable for hygienic washdown, ensuring a cleaner environment
- Long-lasting, FDA-compliant gearbox lubricant
- Optimized seal design with faces fully immersed in the pumped media for higher cleaning efficiency
Inovativne značilnosti zasnove omogočajo hitrejše in lažje vzdrževanje, kar povečuje čas obratovanja pri vaših dejavnostih
Simpler Service
Increase process uptime and make service faster and easier with innovative DuraCirc® design features. Perform standard maintenance procedures quickly and simply, without requiring gearbox disassembly, component re-work, or complex pump re-build procedures. Features include:
- A truly front-loading, self-setting, single mechanical seal for fast, in-situ seal replacement, without having to remove the pump from the process line
- Quick, easy replacement of rotors or rotor case in the unlikely event replacement is required
- Easy-to-access, external shimming outside the rotorcase instead of inside the gearbox
- Fully interchangeable spare parts
- Long-life bearings, offering tens of thousands of hours of operation
- A single, long-life, FDA-approved gearbox lubricant with an extended 3,000-hour change interval
How does the DuraCirc® circumferential piston pump work
The DuraCirc® construction features two rotors, housed within a pumping chamber, known as a rotorcase, with each rotor located on a shaft held rigidly within a gearcase. The two rotors are timed via timing gears in the gearcase, which along with shimming, ensures no rotor or rotor case contact. Rotor/shaft drive is typicially provided via geared electric motor.
Due to the close internal running clearance within the pumping chamber, the rotation of the rotors continuously generates a partial vacuum in the suction port of the pump as the rotors unmesh. This results in a localized pressure drop, which allows fluid to enter the pump. The fluid is then transported around the channel by the rotor wings; the pressure generated as the rotor wings re-mesh forces the fluid out of the discharge port of the circumferential piston pump.
Enostavno spremljanje stanja higienskih črpalk
Naprava Alfa Laval CM spremlja stanje delovanja rotacijske opreme, kot so črpalke
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Logika za živila - Food logic
Higienska oprema Alfa Laval združuje visoko zmogljivost in nežno uporabo, da varuje občutljive sestavine. Sledi trendom živilske industrije in rešuje štiri ključne izzive: dobava živilskih izdelkov potrošnikom po konkurenčni ceni, doseganje kar najboljšega izkoristka surovin, zmanjšanje odpadkov in emisij ter dobava varnih in higienskih živilskih izdelkov.
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