Applicable for food products and viscous liquids
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Fruit and vegetable juices
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Cider, wine
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Butter, cottage cheese, yogurt
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Toothpaste, shampoos, cosmetics
APV DW Series Rotary food pump
A range of 31 models of rotary vane volumetric pumps of the DW series for ultra-hygienic applications. All elements which contact with liquid are made of AISI 316L stainless steel, and the elastomers comply with FDA requirements.
Brief characteristics
- Gearbox size: DW1 to DW7
- Rotor type: piston and bi-lobe
- Maximum speed: 600 to 1400 rpm
- Maximum flow: 3 to 1016 liters per 100 rpm
- Maximum overpressure: 7 to 30 bar
The lineup: DW1/003/7.5, DW1/004/15, DW1/007/7, DW1/007/15, DW2/006/10, DW2/007/20, DW2/013/10, DW2/013/15, DW3/014/10, DW3/017/20, DW3/030/10, DW3/030/15, DW3/050/5, DW4/033/10, DW4/0039/20, DW4/073/10, DW4/073/15, DW4/125/5, DW4/125/7, DW5/080/12.5, DW5/093/25, DW5/142/15, DW5/256/7, DW6/172/12.5, DW6/198/30, DW6/308/15, DW6/519/7, DW7/370/10, DW7/420/30, DW7/725/15, DW7/1016/7
Available options
Standard
- Surface treatment Ra 0.8 µ / 32 µ.
- Single mechanical shaft seal – SiC/graphite.
- EPDM O-rings.
- Fittings for spline connection in sanitary design.
- Multi-functional rotors made of 316L stainless steel.
On order
- NGA Rotors. Relief valve
- Polished up to Ra 0,5 µ / 20 µ.
- Single and double smooth mechanical seal.
- Triple edge seal PTFE (confectionery industry).
- Gland with seal, sealing thread with PTFE impregnation.
- Sealing rings made of fluoride rubber (FPM) or Isolast.
- Heat shield on the pump housing and front panel.
Advantages of the APV DW series rotary pumps
- High Volumetric Efficiency
Designed according to the principle: "More pump for your money". Internal clearances have been minimized so that a smaller pump size can be selected for medium viscosity applications. This reduces both the initial investment and running costs. - Ultra-Hygienic
The pumps are designed to withstand rapid temperature changes and can therefore accommodate very harsh CIP/SIP cycles. The pumps comply with EHEDG and 3A international hygiene standards. - Pulse-Free Performance
When pumping highly viscous products pumps run completely pulse-free. This ensures a constant flow process without pressure surges. - Low NPSH-Requirement
The highly improved suction capability of the DW pump considerably reduces the NPSH-requirement. This in combination with the absence of pressure pulsations makes the DW pumps ideal for many applications, such as ultra filtration. - Gentle Product Handling
The rotor designs available ensure maximum product integrity and minimize risk of potential damage to sensitive products. Both piston and bi-lobe rotors are suitable for high and low viscosity. They will also handle cheese curds and whey, soft fruit and meat — which previously involved fitting special rotors. - Easy Maintenance
The easy-to-access front loaded mechanical seals reduce maintenance time considerably. All shaft seal O-rings are identical, and access to the shaft seal is achieved by simply removing the front cover and the rotors. Likewise, the timing of rotors is an equally uncomplicated operation. - Low Noise Levels
The patented rotor design practically eliminates hydraulic noise and the helical gears minimize gearbox noise.
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