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Air Driven Liquid Pumps and Pumping Systems | Parker Hannifin

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Parker Autoclave Engineers (PAE) has always been a large user of Air-over-Liquid pump technology and has a lifetime of experience using all variety of pumps in many different configurations. We have used this experience to develop a best-in-breed line of air-driven, high pressure pumps that are efficient to operate, simple in design, and will stand the test of time.

Compared to other types of hydraulic pumps, they provide cost effective and energy saving benefits for many applications in the Oil and Gas, Chemical, Industrial and Research industries.

These pumps convert simple air pressure into high and ultra-high liquid pressures by utilizing a large area piston on the air
side to move a small area plunger to compress the liquid into very high hydraulic pressures - as high as 60,000 psi
(4137 bar). Some designs are for economy, some for manual use, some for low-flow & high pressure, some for high flow &
medium pressure… Choice – what a concept!

Pumps like these are perfect for product testing, valve actuation, chemical injection and other applications that require intense pressure. When used in conjunction with a Hydraulic Intensifier (another PAE product) pressures to 150,000 psi (10,000 bar) are normal.

Parker Autoclave Engineers has been making pressure and corrosion test systems as well as high pressure laboratory reaction vessels for over 70 years. Packaged Pressure Systems incorporating these Air-Driven, High Pressure Liquid pumps, plus our valves, fittings and other instrumentation was an automatic success story.

We have created a wide range of self-contained
portable, custom framed modules that “plug and play” for virtually any pressure test, control, or injection system you can
imagine. They vary in size, flow capability, output pressure and can include optional features such as chart recording, data
logging, cycle counters, injection controllers and almost any kind of electric or pneumatic valve control option.

Download the brochure at:
http://www.parker.com/literature/Instrumentation%20Products%20Division/Catalogs/ParkerAE_Pumps_Condensed_Catalog.pdf

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Air Driven Liquid Pumps and Pumping Systems | Parker Hannifin

  1. 1. Pumps and Pump Systems Air Driven Liquid Pumps © Copyright Parker Hannifin 2016
  2. 2. Air Driven Liquid Pumps • 5 Different Pump Series for a variety of applications • Pressures to • 60,000 psi (4,137 bar) • Flows to 7.6 GPM (28.8 liters/min) • For pumping oil, water and a variety of other fluids • Stainless Steel hydraulic parts • Complete stand-alone pumping systems available 2 5 Different Pump Series for a variety of applications Pressures to 60,000 psi (4,137 bar) Flows to 7.6 GPM (28.8 liters/min) For pumping oil, water and a variety of other fluids Stainless Steel hydraulic parts Complete stand alone pumping systems available
  3. 3. Pump Models • ASL Series - Standard liquid, pressures up to 60,000 psi, Approximately 6 inch diameter air piston • ACL Series – compact liquid, pressures up to 31,900 psi, approximately 3 inch diameter air piston, • ACHL Series – comes complete with hand lever for precise pressure control. Handle is spring returned. • AHL Series – high flow, high pressure liquid, pressure up to 13,300 psi, flows to 7 gpm • AFL Series - high flow, high pressure liquid. Pressures to 12,500 psi, flow rates up to 3 gpm. 3 ASL SERIES • Standard Liquid • Pressures up to 60,000 psi (4137 bar) • Approximately 6 inch diameter air piston ACL SERIES • Compact Liquid • Pressures up to 31,900 psi (2199 bar) • Approximately 3 inch diameter air piston ACHL SERIES • Comes complete with hand lever for precise pressure control. • Handle is spring returned AHL SERIES • High Flow, High Pressure Liquid • Pressures up to 13,30 psi (917 bar) • Flows to 7 gpm AFL SERIES • High Flow, High Pressure Liquid • Pressures to 12,500 psi • Flow rates up to 3 gpm
  4. 4. Types of Air Drives • Single Acting – Single Piston • Double Acting -Single Pistons • Single Acting -Double Piston • Double acting -Double Piston Air drives 4 SINGLE ACTING SINGLE PISTON DOUBLE ACTING SINGLE PISTON SINGLE ACTING DOUBLE PISTON DOUBLE ACTING DOUBLE PISTON AIR DRIVES
  5. 5. How the Pumps Work Piston to Plunger Ratio • Compressed air is used to produce hydraulic pressure • Works on differential surface area between the large air piston and smaller hydraulic plunger • Differential is represented by the pressure ratio of the pump Pressure ratio = Area of Air Piston ÷ Area of Hydraulic Plunger 5
  6. 6. How the Pumps Work Piston to Plunger Ration • The higher the pressure ratio, the higher the output hydraulic pressure Pressure Output = Pressure Ratio x Air Drive Pressure Example: ASL150-01 Series pump has air to pressure ratio of 1:150, meaning if you applied 100 psi of air to the pump, it would result in an output hydraulic pressure of 15,000 psi 6
  7. 7. • When air is applied to the pump it will cycle until the forces on the air piston equals the forces on the hydraulic plunger. This is the stall pressure. • Pump will automatically restart if there is a drop in hydraulic pressure or an increase in air drive pressure. • Double air pistons available which will double the pressure ratio because you have twice the air piston area acting on the same hydraulic plunger area (Ex: ASL150-02 has a pressure ratio of 300:1) How the Pumps Work Piston to Plunger Ratio 6
  8. 8. How the Pumps Work Air Drive Section • Air pilot operated spool provides automatic cycling of air from one side of the piston to the other • At the end of each stroke, the air piston activates a pilot valve that will cause the spool to shift • The spool shifting will supply air to one side of the piston while venting the other side of the piston • This alternating action continues until the pump reaches it’s stall pressure 8
  9. 9. How the Pumps Work Spool Section • Air pilot operated spool provides automatic cycling of air from one side of the piston to the other • At the end of each stroke, the air piston activates a pilot valve that will cause the spool to shift • The spool shifting will supply air to one side of the piston while venting the other side of the piston • This alternating action continues until the pump reaches its stall pressure8
  10. 10. • All Aluminum parts machined from high quality bar stock, no cast aluminum components • Anodizing with special sealing technique to provide better protection from harsh environments • Unique Muffler design to give a great combination of high flow and low noise • Rubber bumpers in end caps to reduce noise of operation • Latest lubrication technology provides long seal service life and improves pump efficiency and performance • No lubricator required for air drive source • Stainless steel tie-rods and hardware 10 Air Drive Section Special Features
  11. 11. • Compression Stroke • Hydraulic plunger moves toward the head which compresses the hydraulic fluid while closing the inlet check valve and opening the outlet check valve. Suction Stroke • Hydraulic plunger moves away from the head, causing the inlet check valve to open and draw fluid into the head while the outlet check valve closes due to the spring load on ball. Suction stroke Hydraulic plunger moves away from the head, causing the inlet check valve to open and draw fluid into the head while the outlet check valve closes due to the spring load on ball. How the Pumps Work Hydraulic Functionality 10 Hydraulic plunger moves toward the head which compresses the hydraulic fluid while closing the inlet check valve and opening the outlet check valve. Suction Stroke Compression Stroke
  12. 12. Side Inlet • Machined out of high quality stainless steel bar stock • Pump head inlet port can be ordered as either*: Hydraulic Section Pump Head 11 • * AHL series pumps come with side inlet pump head only OR Side Inlet Bottom Inlet
  13. 13. • Protects air drive section from any hydraulic seal leaks • Prevents hazardous fluids from becoming air-borne through air drive section if a hydraulic seal were to fail • Optional on most models • Comes as standard on the ASL400- 02, ASL250-02, and all AFL & AHL Series Pumps • 1/8” NPT connection on drain port Hydraulic Section Isolation Chamber 12
  14. 14. High pressure hydraulic seal forms a seal against the plunger and head to assure against external leaks and leaks into the air drive section. Section Components include: • Bearing Guide & Sleeve • Bottom Washer • Seal • Seal Backup • Seal Retainer • Backpressure O-ring Hydraulic Section Hydraulic Seal 13
  15. 15. • Stainless plunger coated with a proprietary multi-layer carbon based coating with diamond like carbon exterior layer: • Exceptional hardness (3 times harder than Stellite). • Inert, so it has superior chemical compatibility and corrosion resistance. • Low friction that limits seal wear and increases efficiency (coefficient of friction equal to or less than PTFE). • Tough coating that provides long plunger cycle life. • Pressure head specially designed and engineered for high cycle life. • Spring energized u-cup seal provides better sealing performance at wide ranges of pressures. • Extended service life check valves with Ceramic balls for high pressure applications15 Hydraulic Section Special Features
  16. 16. • Air filter • Air pressure regulator • Air shutoff valves • Cycle stroke counter • Pneumatic pilot switches and Solenoid valves • Relief/safety devices Pump Accessories 15
  17. 17. • Chemical injection • Actuation of safety shutdown valves • Portable hydraulic power source • Hydraulic hose testing • Injection packages (ie. Methanol, Glycol) • Mobile pressure test rigs • Pressure testing, valves, pipe work, etc. 17 Applications - Oil and Gas
  18. 18. • Engineering • Oil & Gas • Pulp & Paper • Water & Effluent • Chemical & Process • Building & Construction • Mining industry 18 Applications - Industrial
  19. 19. Applications- Other • Hydrostatic/Burst/Leak/Fun ctional testing • Chemical injection • Valve/Hose/Gauge testing • Bolt tensioning • Hydraulic Control systems • Laboratory Research 19
  20. 20. • Standard and Custom pump skids and portable carts • Self contained units complete with pump, reservoir, valves, tubing, gauges, air controls, etc. • Only an air source is required for operation, no electricity required • Great for moving from location to location within a plant Packaged Pump Systems 19
  21. 21. Packaged Pump Systems • Move your High Pressure Test Stand Anywhere You Need it to be • Single or Dual Pump Systems with Optional Reservoir • Systems Designed for Pressures up to 60,000 psi • Totally Self-Contained, Electricity not Required 21
  22. 22. • Cold Isostatic Presses • Hydraulic driven tools • High pressure lubrication • Lifting and Jacking • Mobile pressure test rigs • Test benches and consoles • Hydraulic hose testing • Down hole performance simulators 22 Pump Systems - Applications
  23. 23. Click here to learn more about our newest pump series 23
  24. 24. For more information please contact: Parker Hannifin Manufacturing Instrumentation Products Division Europe Riverside Road Barnstaple EX31 1NP United Kingdom Tel: +44 (0) 1271 313131 Check out our website - www.parker.com/ipd 22 © Copyright Parker Hannifin 2016 Thank You!

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