John Dow Industries JDI-DP1-UL 1" Air Operated Diaphragm Pump UL

John Dow Industries

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MSRP: $2,608.29
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John Dow Industries JDI-DP1-UL 1" Air Operated Diaphragm Pump UL

When you simply need an air-operated diaphragm pump, the JDI-DP1 and JDI-DP1-UL both come in an all-bolted durable construction for use in automotive applications among others. Rated for use with diesel, kerosene and oil, these UL and non-UL Listed pumps feature O-ring seals and Nitrile diaphragm material, making it ideal for low-viscosity petroleum fluids.


  • 1”Inlet/Outlet
  • Heavy-duty aluminum construction
  • 1/4” Air Inlet
  • Up to 24 Gallons Per Minute (GPM)*
  • 22 lbs.
  • JDI-DP1-UL Max psi: 110 psi

*Flow rate will vary based on temperature, viscosity, purity, and type of fluid.


pdf.jpg Brochure

pdf.jpg Manual

Warranty Information

SHORTAGES/DAMAGE CLAIMS: Shortages must be reported to a Customer Service Representative within 10 days after receipt of merchandise. Claims for in-transit damages must be made within two (2) business days by contacting a Customer Service Representative. All shipments that appear to be damaged must be signed as such at the time of delivery.

STOCK RETURN POLICY: All returns must receive prior authorization and will be subject to a 10% restocking charge. All items returned must be in new and saleable condition. If not, they will be refused, returned freight prepaid and billed back to the Distributor. Discontinued items are not returnable. All returns must be accompanied with a two-for-one offsetting order.

To initiate a return, contact a Customer Service Representative for an RGA number. All returns must have the RGA clearly marked on the packing slip and on the carton. Any items returned without an RGA will be returned freight prepaid and billed back to the Distributor. All returns must be shipped freight prepaid. JohnDow reserves the right of final approval on all returns.

WARRANTY: Products which prove to be defective in material and workmanship within one (1) year from the date of purchase may be returned freight prepaid for repair, replacement or credit at the discretion of JohnDow personnel. If JohnDow inspection discloses no defect in material or workmanship, repair, replacement or return will be made at customary charges This warranty does not cover failure of parts or components due to normal wear or damage, wear which in the judgment of JohnDow arose from misuse, abrasion, negligence, accident, faulty installation, or tampering.

SERVICE: JohnDow will promptly give assistance or advice on products requiring service or will advise where local service can be obtained.