Lincoln® Dual Inlet Air Operated Double Diaphragm Pump 1/2 in. Aluminum

Lincoln has introduced a new line of Dual-inlet, Air-operated, Double-diaphragm (AODD) Pumps for continuous use in heavy-duty vehicle service and industrial applications.

Originally developed for antifreeze/water mixtures, the pumps dispense other light fluids compatible with Buna-N, aluminum and/or polypropylene. The AODD Pumps feature dual inlets to mix and dispense two fluid products in a 50:50 ratio.

Available in ½-inch and 1-inch sizes, the pumps can meet the volume needs of many specific applications.

Return Policy

You can return unused or defective products up to 30 days from the date of order.  Some product returns may be subject to restocking fees.  Proof of Purchase will be required if we cannot verify your order information.  Unless the product is defective or damaged in transit, the customer is responsible for return shipment costs.

Defective or Damaged Products

All shipments received must be immediately inspected for damage.  If your order shipped on a freight carrier, any damage needs to be noted on the Freight Receipt before signing for the delivery.  An exchange or refund will be provided at no additional cost.  If damage is due to misuse or regular wear of the product, the return will be denied.

Order Cancellation

If you need to cancel your order for any reason, please contact us immediately.  If the order is canceled prior to shipping, you will be refunded in full.  Certain products that are manufactured to order cannot be canceled after the manufacturing process has started.