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HC-PURE HYGIENIC DOUBLE DIAPHRAGM PUMPS

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Reliable hygienic double diaphragm pumps for sanitary applications

Looking for a versatile, hygienic pump for food, beverage, dairy, or pharmaceutical production? The Verderair HC-PURE hygienic double diaphragm pump is designed to deliver safe, reliable and efficient performance where  hygiene matters most.

Built from high-grade materials and engineered for superior sanitation, the HC-PURE minimises contamination risks while offering easy maintenance and a long service life.

  • Two series to suit your process: FD Series for beginning-of-process hygiene and SB Series for final-stage product protection.
  • Hygienic construction: Electropolished SS 316L stainless steel meets the strictest sanitary design standards.
  • Simple to clean: Fast disassembly, easy access, and full compatibility with CIP/SIP cleaning systems.

GALLERY

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WORKING PRINCIPLE

The HC-PURE  functions like a standard double diaphragm pump but is optimised for hygienic performance:

  • Compressed air chambers: These pumps utilise compressed air to move two flexible diaphragms within the housing, creating separate chambers.
  • Diaphragm movement: An air valve system controls the pressurisation of the air chambers behind each diaphragm, causing them to move back and forth.
  • Fluid movement: One diaphragm expanding creates a low-pressure zone, drawing fluid into the pump. The other diaphragm contracting creates high pressure, pushing fluid out.
  • Focus on hygiene: Materials and design prioritise sanitary operation, with smooth electropolished surfaces and a single-piece manifold to reduce contamination risks.

APPLICATIONS OF HC-PURE HYGIENIC PUMPS

The Verderair HC-PURE range of hygienic pumps is suitable for handling both low and high viscosity fluids across many industries:

  • Beverage: Fruit juice, flavourings, colouring
  • Food: Soups, starches, sauces, pastes, jams, pie fillings, starches, oils, dough, bakery ingredients
  • Brewing & Wine: Beer, wine, wort, yeast, flavourings
  • Dairy: Milk, cream, yoghurt, cheese, butter, ice cream
  • Pharmaceutical: Active ingredients, alcohol, chemicals
  • Cosmetics: shampoo, cremes, lotions, soap, toothpaste, perfume.

DOWNLOADS

Verderair HC-PURE brochure (5.5 MB)

FAQs

How does an AOD pump work and what is it used for?

Please refer to our detailed articles explaining what a diaphragm pump is used for and how an air operated diaphragm pump works.

How do I read a diaphragm pump curve?

Watch our video or read our detailed blog article on how to read an air operated diaphragm pump performance curve.

Where can HC-PURE hygienic diaphragm pumps be used?

The HC-PURE hygienic double diaphragm pump is designed for sanitary fluid transfer in industries where hygiene is critical:

  • Food and beverage
  • Dairy
  • Breweries & wineries
  • Pharmaceutical & chemicals
  • Cosmetics & personal care 

What are the main features of a hygienic diaphragm pump?

Key features of an AOD hygienic pump include:
  • Self-priming design
  • Ability to run dry without damage
  • Leak free operation
  • Wide material availability for compatibility with different liquids and chemicals

How many sizes and materials are available for HC-PURE?

  • FD Series: Four sizes available
  • SB Series: One size available.

How do I choose the right HC-PURE Hygienic diaphragm pump?

When selecting a stainless steel sanitary pump, consider these five factors:

  1. Fluid: Is it clean, corrosive, or does it contain solids?
  2. Viscosity: Thicker fluids may require a more robust design.
  3. Flow rate: How much fluid must be moved per unit of time?
  4. Pressure: Balance pressure needs with your desired flow rate (refer to the pump curve). 
  5. Temperature: Ensure compatibility with your process conditions.

For further guidance, see our resources on the different types of pumps and diaphragm pump flow rate calculations.

What kind of fluids can a sanitary diaphragm pump transfer?

HC-PURE pumps can safely transfer both low and high viscosity fluids, including:

  • Fruit juices, flavours, colouring
  • Soups, starches, sauces, pastes, jams, dough, oil, bakery ingredients
  • Milk, yoghurt, cheese, butter, ice cream
  • Beer, wine, wort, yeast
  • Pharmaceutical and cosmetic ingredients such as alcohol,  shampoo, cremes, lotions, soap, toothpaste, and perfume.

What are the key factors for diaphragm pump maintenance?

Sanitary diaphragm pumps like the HC-PURE are designed for easy upkeep, but regular maintenance is essential. Focus on:

  1. Air quality: Use an in-line filter to remove moisture and impurities.
  2. Elastomers: Inspect diaphragms regularly and replace when worn. 
  3. Inlet/outlet checks: Prevent blockages that may cause failures.
  4. Torque settings (for plastic pumps): Ensure bolts remain secure over time.

How do I get pricing for a hygienic diaphragm pump?

Our Global Pumps team will discuss the application at hand, fluid being pumped and the environment the pump is entering. This will provide them with the information they require to recommend the right HC_PURE hygienic pump and provide a tailored quote.

Where do you deliver and what are your estimated shipping times?

Global Pumps understand how crucial quick delivery is. That’s why we strive to ensure speedy delivery no matter where your site is in Australia.

*Guideline for shipping times.

Below is a guideline of how long it takes to ship our products to some of Australia's major cities. Of course, we can also deliver elsewhere around the nation, so if your location isn't mentioned don't worry, just talk to the team at Global Pumps!

Locations Shipping Time Range
Melbourne 1-2 Days
Sydney 2-3 Days
Brisbane 2-4 Days
Perth 2-4 Days
Adelaide 1 Day
Kalgoorlie 3-5 Days
Mt Isa 3-5 Days
PRODUCT INFORMATION

The Verderair HC-PURE series of sanitary double diaphragm pumps is designed for various hygienic applications. Meeting the highest global standards, these pumps offer outstanding cleanability while reducing the risk of bacteria build-up or product traps. Their durable construction and ease of maintenance make them a reliable choice for continuous operation. 

 

Best cleanability with stainless steel sanitary pump design

  • Electropolished stainless steel surfaces make it harder for product to stick, reducing bacteria growth and improving corrosion resistance.
  • Compatible with strip cleaning or automated CIP/SIP systems.
  • A rotatable stand allows for effortless draining, preventing trapped liquid and ensuring a thorough clean.

Easy maintenance and long service life

  • Quick-release housing screws and clamps make full disassembly straightforward.
  • Long-life PTFE/EPDM over-moulded diaphragms increase reliability.
  • A self-lubricating, maintenance-free air valve reduces downtime.

Designed to the highest hygienic standards

HC-PURE pumps follow the strictest hygienic design principles and comply with EC 1935/2004 and FDA regulations. 

  • A single-piece manifold with smooth corners eliminates crevices where bacteria can hide.
  • Optional hygienic DIN 11851 or tri-clamp connections further enhance cleanability.

Two designs available 

  • FD Series: For hygienic transfer at the beginning of the production process.
  •   SB Series: For sanitary applications at the final stage of production.
Material centre section FD SB
Concept   Hygienic series High hygienic series
Max. flow (L/min)   600 650
Max. discharge pressure (bar)   7 7
Max. operating temperature (ºC) PE/PA 70/90 70/90
Internal surface roughness (µm)   ><3.2 µm ><0.8 µm
Certifications   EC 1935/2004 FDA EX EC 1935/2004 FDA EX
Enquire here for more information or to request a quote: