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AODD

AQS Liquid Transfer is the sole supplier for SANDPIPER® and Versamatic® AODD pumps in South Africa. We supply Air Operated Diaphragm (AODD) pumps with superior technology that allows for efficient air consumption, ease of maintenance and efficient transfer of various liquids. Proven to be reliable in the following industries: Mining, Food, Pharmaceutical, Chemical/Petrochemical, Agricultural, Sanitary, Packaging, etc.

  • Versamatic’s 1" (25mm) bolted metal air-operated double-diaphragm (AODD) pump uses a patented air valve system to provide non-stalling, lube-free performance with a flow rate of 0-49 gpm (0-185 lpm). The 1" bolted metal AODD pumps offer several advantages that make them perfect for a variety of applications. Just one of the many air-operated pumps Versamatic offers, this best-selling chemical-resistant diaphragm pump features a superior positive seal for safe, reliable transfer of fluids.
  • The patented non-stalling, lubrication-free air valve system of Versamatic’s 1" (25mm) bolted plastic air-operated double-diaphragm (AODD) pump provides excellent chemical resistance for pump longevity and reliability. The 1” is available in multiple porting configurations for ease of installation and application flexibility. The rugged, leak-free construction of the 1" bolted plastic diaphragm pump has a flow rate of up to 43 gpm (163 lpm).
  • Offering a robust leak-free bolted design, Versamatic’s 2" (51mm) bolted metal air-operated double-diaphragm (AODD) pump is engineered to safely seal when pumping aggressive chemicals. The 2" AODD pump offers an ideal combination of flow, size and portability as compared to other pump models, with a maximum flow rate of 163 gpm (617 lpm). As an ATEX diaphragm pump, it meets compliance requirements for use in potentially hazardous environments, including mining. The 2" is available in the following materials: • Aluminum • Stainless Steel • Cast Iron • Alloy C
  • Versamatic’s 3" bolted metal air-operated double-diaphragm (AODD) pump utilizes optimized casting designs to maximize efficiency, delivering high flow rates and excellent solids handling. Just one of the many AODD pumps Versamatic offers, this chemical-resistant diaphragm pump offers the highest flow of all Versamatic AODD metal pumps, meeting your fluid transfer needs quickly and reliably. The leak-free design reduces downtime and ensures continuous operation. Suited for a wide range of applications, the 3" bolted metal pump features:
    • A flow rate up to 273 gpm (1,033 lpm)
    • Durable, robust castings
    • Simple, low-cost maintenance
    • Extended-life diaphragms
    • Multiple connection and porting types
    • Multiple air section materials available for maximum chemical compatibility
  • Versamatic’s 1 ½" (38mm) air-operated double-diaphragm (AODD) pump features a classic clamped design that delivers reliability and portability. This pump is dimensionally interchangeable with Wilden 4 Clamped Series. Self-priming and available in a variety of materials, this AODD pump:
    1. Features rigid and durable construction
    2. Comes with diverse material offerings for your applications
    3. Is submersible and portable
    4. Is non-freezing and non-stalling
    5. Has consistent on/off reliability
    6. Versamatic AODD pumps can effectively handle a broad array of fluid types—from water to products that are viscous or abrasive.
  • Versamatic’s 1 ½" (38mm) bolted plastic air-operated double-diaphragm (AODD) pump offers installation flexibility with adjustable porting options (horizontal and vertical). The 1 ½" AODD pump:
    1. Maximum flows up to 100 gpm (378 lpm)
    2. Chemically resistant all plastic design (Fluid Side / Air Side)
    3. Class-leading solids handling up to 0.47 inches (12 mm)
    4. Industry-leading displacement per stroke of 0.43 Gal. /1.63 L
    5. Delivers consistent on/off reliability
    6. Provides excellent chemical resistance
    7. Conductive Polypropylene ATEX compliant models available
    8. Safe leak-free bolted design
    1 1/2" bolted plastic AODD pumps consist of polypropylene and polyvinylidene fluoride (PVDF). Polypropylene is a thermoplastic polymer that resists strong acids and alkali. PVDF is a durable fluoroplastic with excellent chemical resistance, high tensile strength, and impact resistance. PVDF is best suited for UV applications. With excellent chemical resistance, the 1 1/2" all plastic pump is ideal for aggressive chemical transfer, waste treatment (filter press) applications, and metal finishing. In addition, this pump is engineered to supply high flow rates in a portable size.
  • Versamatic’s 1 ½" (38mm) air-operated double-diaphragm (AODD) pump uses a patented air valve system to deliver consistent on/off reliability while maintaining superior air efficiency. Available with several extended-life diaphragm styles to choose from, this portable AODD pump delivers excellent flow rates. The Versamatic 1 ½" pump is the performance leader in flow rate at 123 gpm (465 lpm), displacement per cycle and dry suction lift. Additionally, this pump:
    • Makes maintenance easy with a removable air valve sleeve and modular pilot spool design.
    • Offers leak-free bolted design for confidently and safely transferring acids and caustics in your application.
  • The leak-free bolted construction of Versamatic’s ½" (13mm) bolted metal air-operated double-diaphragm pump (AODD) pump reduces downtime and ensures continuous operation, as well as provides a greater positive seal for safe, reliable transfer of chemicals in OEM systems and applications. A patented non-stalling, lubrication-free air valve design provides the reliability you need and lets you safely and confidently transfer chemicals. With a diverse material offering for your applications, the ½" bolted metal AODD pump, along with the ½" bolted plastic pump, features:
    • A max flow of 12 gpm (45 lpm) compared to our other products
    • A corrosion-resistant air section
    • On/off reliability
    • Durable and long-lasting construction
    • Extended-life diaphragms
    • Simple, low-cost maintenance
  • Versamatic’s ½” (13mm) bolted plastic air-operated double-diaphragm (AODD) pump allows you to transfer chemicals safely and confidently. Perfect for a wide range of applications, and available in ½” bolted metal, the rugged, leak-free bolted construction of this AODD pump offers superior chemical resistance. The multiple ported manifolds and multi-position foot mounts offer installation flexibility, allowing the unit to easily fit into existing installations. Keep your processes running with AODD pumps that deliver consistency, reliability and trouble-free operation. Versamatic’s ½” bolted plastic AODD pump features:
    • An exclusive, patented air valve system
    • Simple, low-cost maintenance
    • Extended-life diaphragms
    • Multiple porting options
    • Long-term reliability
    • On/off reliability
  • The Sandpiper 2" heavy-duty non-metallic flap valve pump has been designed to solve the most common challenges in mine dewatering, sump and chemical transfer applications. The robust, yet lightweight design allows for ease of maintenance and movement. This unique pump, ideal for handling solids and corrosive fluids, has been engineered to fully function in any position. It has durable mounting feet and includes lifting handles and hanging points–making it a perfect solution for numerous applications.
  • The Sandpiper 2" heavy-duty non-metallic flap valve pump has been designed to solve the most common challenges in mine dewatering, sump and chemical transfer applications. The robust, yet lightweight design allows for ease of maintenance and movement. This unique pump, ideal for handling solids and corrosive fluids, has been engineered to fully function in any position. It has durable mounting feet and includes lifting handles and hanging points–making it a perfect solution for numerous applications.
  • Sandpiper’s exclusive 1½" heavy-duty ball pump provides excellent suction lift capabilities and is designed to withstand the most rugged and harsh ball valve pumping applications. The compact 1½" metallic pump has thick-walled construction and is part of our Evolution portfolio improvement. This means this pump has been optimized for the maximum amount of flow capacity with the least amount of air/gas consumption. The 1½" heavy-duty ball pump is available with a side-ported option, which makes installation easy, optimizes performance on the pumped fluid and solves critical pumping problems.
  • The exclusive Sandpiper 2" HDB2 Evolution Heavy-Duty Ball Pump is a mainstay in challenging customer applications, moving thin-highly viscous and small, solids-laden fluids. The 2" metallic pump provides excellent durability in demanding applications and is designed to withstand the most rugged and harsh ball valve environments. The HDB2 is available in top- and down-porting options, which make installation easy and optimize performance on the pumped fluid. These porting configurations solve critical problems, such as solids and abrasives settling out of the liquid chamber into the ball check area. They are designed to outlast standard pumps.
  • The exclusive Sandpiper 3" HDB3 and 4" HDB4 Evolution Heavy-Duty Ball Pumps are the best in class for moving thin-highly viscous and small, solids-laden fluids. These pumps have the AODD pump industry’s highest maximum flow, with up to 300 gpm. They provide excellent suction lift capabilities and are designed to withstand the most rugged and harsh ball valve pumping applications. All SANDPIPER heavy-duty ball pumps are ATEX-certified. The HDB3 and HDB4 are available in top- and down-ported options for optimized performance. These porting configurations solve critical problems, such as solids and abrasives settling out of the liquid chamber into the ball check area. They are designed to outlast standard pumps.
  • The flexible, portable and lightweight design of the Sandpiper HDF1 heavy-duty flap valve pump offers maximum convenience when faced with the most common challenges in sump applications, mine dewatering and any liquid application involving solids. The HDF1 has a superior flow rate to all other 1" AODD pumps and is a proven and trusted solution even in the harshest applications, effortlessly moving abrasive slurries, suspended and non-suspended solids and line-size solids.The Sandpiper pump design offers a small footprint, making it an excellent choice for both portable and permanent applications. The superior suction lift capabilities, combined with its solids-handling capabilities, make it the ideal solution for sump and dewatering applications. The bottom discharge porting prevents settling solids from damaging the diaphragm and shortening the pump life. HDF1 pumps are thick wall-constructed of sand-casted aluminum, cast iron and stainless steel with elastomer and TPE (thermoplastic elastomer) diaphragms and check valves.
  • The Sandpiper 2" heavy-duty flap valve pump has a proven design that solves the most common challenges in sump applications, mine dewatering and any liquid application involving solids. This metallic air-operated double-diaphragm (AODD) pump is recommended for abrasive slurries, suspended and non-suspended solids and line-size solids. It is configured with bottom discharge porting to prevent settling solids from shortening pump life and provide superior suction lift. HDF2 pumps are thick-wall constructed of sand-casted aluminum, cast iron and stainless steel with elastomer and TPE (thermoplastic elastomer) diaphragms and check valves.
  • Sandpiper has your pumping solution for fluids containing up to 3"/4" line-size solids! The Sandpiper HDF3 and HDF4 heavy-duty flap valve pumps have a proven design that solves the most common challenges in sump applications, mine dewatering and any liquid application involving solids. These air-operated double-diaphragm (AODD) pumps are recommended for abrasive slurries, suspended and non-suspended solids and up to 3"/4" line-size solids. The heavy-duty flap valve pumps are configured with bottom discharge porting to provide superior suction lift and prevent settling solids from shortening pump life.HDF3 and HDF4 pumps are thick wall-constructed of sand-casted aluminum, cast iron and stainless steel with elastomer and TPE (thermoplastic elastomer) diaphragms and check valves. HDF3 and HDF4 pump designs have recently been optimized for performance as part of the Sandpiper Evolution portfolio improvement. These efficient pumps experienced a 19% flow rate increase, with a new maximum flow rate of up to 310 gpm (1,173 lpm).
  • The Sandpiper PB ¼" is one of the quietest and most flexible AODD pumps in the compact class. Featuring a patented air valve system, this AODD pump provides non-stalling, non-icing, lube-free operation for years of dependable service. The suction and discharge manifolds have multiple porting options. Available in polypropylene, conductive acetal and PVDF (Kynar) materials of construction, this small, yet powerful pump is ideally suited for dispensing inks, coatings, paints, adhesives, oils and other chemicals.
  • This legendary pump has proven the test of time as a trusted, class-leading air-operated double-diaphragm (AODD) pump performing across a wide variety of markets and applications reliably for decades. The SANDPIPER ½" S05 Metallic AODD Pump provides portability, versatility and power in a compact design. The S05 is equipped to handle abrasive fluids and small suspended solids with ease and dependability. The durable bolted construction of the S05 is superior to the clamped-band construction pump, providing exceptional leak-free performance. This pump is designed to be driven by compressed air or nitrogen (if you require your pump to be driven by natural gas, check out the SANDPIPER G05 pump).
  • This pump has proven itself as a trusted, class-leading air-operated double-diaphragm (AODD) pump for a variety of markets and applications. The SANDPIPER 1/2” S05 Non-Metallic AODD Pump provides incredible lightweight portability with the versatility to handle both corrosive fluids and small suspended solids. This pump offers a wide range of performance and application capabilities. The durable, bolted construction of the S05 is superior to the clamp-band construction pump, providing exceptional leak-free performance. This pump is designed to be driven by compressed air or nitrogen.
  • This pump has proven itself as a trusted, class-leading air-operated double-diaphragm (AODD) pump for a variety of markets and applications. The Sandpiper ¾" S07 Non-Metallic AODD Pump provides incredible lightweight portability with the versatility to handle both corrosive fluids and small suspended solids. The trihedral valve option provides unique handling capabilities that prevent damage and move products gently. The durable bolted construction of the S07 is superior to the clamped -band construction pump, providing exceptional leak-free performance. This pump is designed to be driven by compressed air or nitrogen. Trust in a simple design Sandpiper's original air distribution system (ADS) is fully interchangeable, repairable and inline-serviceable. Other manufacturers frequently change ADS designs, creating issues with interchangeability, obsolete inventory and increased cost of ownership.
  • The Sandpiper 1½" S15 Metallic AODD Pump provides superior suction lift of greater than 22 ft (6.7 m). Designed for outstanding operation, this versatile and mobile pump is perfect for OEM applications. Equipped to handle abrasive fluids and suspended solids, it gives exceptional performance in harsh chemical applications where reliability is critical. Additionally, this AODD pump offers air-side interchangeability with Sandpiper’s S20 and S30 pumps for ease of inventory management and reduced inventory costs. The durable, bolted construction of the S15 is superior to the clamp-band construction pump, providing excellent leak-free performance. Material of construction options include: aluminum, cast iron and stainless steel with elastomer TPE (thermoplastic elastomers) and PTFE options in diaphragms and check valves.
  • This rugged pump has proven the test of time as a trusted, class-leading air-operated double-diaphragm (AODD) pump for a variety of markets and applications. The Sandpiper S15 Non-Metallic 1½" AODD Pump provides incredible lightweight portability with the versatility to handle both corrosive fluids and small suspended solids. It offers air-side interchangeability with Sandpiper’s 1" (S1F), 2" (S20) and 3"(S30) pumps for reduced inventory costs. The durable, bolted construction of the S15 is superior to the clamped-band construction pump, providing exceptional leak-free performance. This general transfer pump is designed to be driven by compressed air or nitrogen.
  • This legendary 1" pump has stood the test of time as a class-leading, trusted air-operated double-diaphragm (AODD) pump for a variety of markets and applications. It provides portability and versatility. It is equipped to handle abrasive fluids and suspended solids. The Sandpiper 1" S1F Metallic AODD Pump offers air-side interchangeability with Sandpiper’s S15, S20 and S30 pumps for reduced inventory costs. This pump is designed to be driven by compressed air or nitrogen. If your pump needs to be driven by natural gas, check out the Sandpiper G1F pump. The durable, bolted construction of the S1F is superior to the clamped-band construction pump, providing exceptional leak-free performance. Material of construction options include: aluminum, cast iron and stainless steel with elastomer TPE (thermoplastic elastomers) and PTFE options in diaphragms and check valves.

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