Welcome to Keene Engineering! The world leader in innovative portable mining and prospecting equipment. Family owned and operated since 1950.

Since 1955, Keene Engineering has been providing the very best in mining and prospecting equipment. Whatever you need, we're here to help!

A SCUBA regulator is designed for use with SCUBA an air tank, and delivers maximum efficiency when operated at a pressure exceeding 100 p.s.i. They require a "first stage" valve assembly, attached to the SCUBA tank.

You will find our entire Keene Engineering Catalog here with absolutely everything you will need for your next prospecting adventure. It doesn't matter if you're a seasoned professional or a novice gold panner, we have something for everyone!

This four-gallon, stainless steel reserve tank is capable of accommodating either one or two divers. Equipped with two 1/4" ports and has a working pressure o Keene makes items as they’re purchased, and the wait time can be a week or more, whether you order from Keene or from us.

KEENE – LOW PRESURE RESERVE TANK. Weight: 5 lbs: Dimensions: 22 × 8 × 8 in: Reviews There are no reviews yet. Only logged in customers who have purchased this product may leave a review. Product Enquiry. Name. Email address. Enquiry. Related products. PROLINE -PUMP GASKET- HP200 Gold Prospecting $ 3.00.

This is a three gallon corrosion-proof marlex polymer reserve tank with inset metal connectors, designed for use on low pressure hookah diving systems. The 1/4″ male compression fitting on one end is made to mate to the female end of any standard Keene air line.

This Keene high pressure air kit includes an RT4 stainless reserve tank, HC1ST hose connector, 50 feet of diving air hose, quick release, and H2 harness.

This Keene air kit includes an RT1 reserve tank, HC1 hose connector, quick releases, two 50 feet diving air hoses, and two H2 harnesses.

Keen Compressed Gas Co. is a leading supplier of welding equipment and supplies, as well as industrial and medical gases in the mid-Atlantic region since 1919.