Double Diaphragm Pump, PX20X EXP, Air-Operated, Aluminum, PTFE, 2 in NPTF, 180 gpm MPN:PD20A-AAP-STT-B

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Brand: ARO
Part #: PD20A-AAP-STT-B
SKU
510-G1571534
Regular Price $7,576.51 Special Price $5,411.79

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Double Diaphragm Pump, PX20X EXP, Air-Operated, Aluminum, PTFE, 2 in NPTF, 180 gpm

The ARO Double Diaphragm Pump is a reliable, air-operated solution for demanding fluid transfer applications. With a maximum flow rate of 180 gpm and a maximum head of 289 ft, this pump is ideal for use in industries such as chemical processing, wastewater treatment, and oil and gas. The pump's PTFE diaphragm and 316 stainless steel check seat ensure durability and resistance to corrosion, while its aluminum construction provides a lightweight and easy-to-maintain design. Perfect for applications where high flow rates and pressures are required, this pump is a valuable addition to any fluid transfer operation.

Top product features:

  • Air Operated
  • Double Diaphragm Pump Design
  • PTFE Diaphragm Material

Top product applications:

  • Chemical Transfer: The pump's ability to handle high flow rates and pressures makes it suitable for transferring chemicals in various industries.
  • Wastewater Treatment: The pump's air-operated design and PTFE diaphragms make it resistant to corrosion and contamination, making it ideal for wastewater treatment applications.
  • Food and Beverage Processing: The pump's sanitary design and 316 stainless steel check seat material make it suitable for use in food and beverage processing applications where cleanliness and hygiene are critical.

The ARO PD20A-AAP-STT-B is a 2 in. air operated double diaphragm pump designed for reliable transfer of a wide range of fluids in industrial and commercial applications. Built with an aluminum wetted housing, PTFE diaphragms and ball valves, and 316 stainless steel check seats, this pump delivers up to 180 gpm and operates at pressures up to 120 psi. It is self-priming, capable of handling viscosities up to 50,000 cps and solids up to 1/4 in., making it well suited for pumping alcohol, antifreeze, diesel exhaust fluid, oil-based paint, oils, and water.

Key Features:

  • - Air operated double diaphragm pump with aluminum wetted housing for durable fluid transfer performance.
  • - PTFE diaphragms and ball valves help provide excellent chemical compatibility across a range of media.
  • - Delivers a maximum flow rate of 180 gpm, with 163 gpm at 100 psi.
  • - Operates at a maximum pressure of 120 psi with maximum air consumption of 140 scfm.
  • - Features 2 in. NPTF media intake and discharge connections and a 3/4 in. FNPT air intake connection.
  • - Self-priming up to 14 ft. dry with a maximum head of 289 ft.
  • - Handles solids up to 1/4 in. and fluid viscosities up to 50,000 cps.
  • - Suitable for media temperatures from 40 degrees F to 200 degrees F.
  • - Single port manifold connection supports center or side intake and discharge configurations.
  • - Equipped with 316 stainless steel check seats for added wear and corrosion resistance.
  • - Compatible with alcohol, antifreeze, diesel exhaust fluid, oil-based paint, oils, and water.
  • - Overall dimensions are 19.8 in. L x 21-5/8 in. W x 27.9 in. H.


Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 32.00
  • Package Width: 18.00
  • Package Height: 35.00
  • Package Weight: 104.00
Product info last updated on February 8, 2026 12:18pm UTC Category: Positive Displacement Pumps
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