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                                                                 the virtual seal house with everything!


Hydraulic   Pneumatic   Packing & Seals   Standard   Metric


Since 1952, A.C. DePuydt, Inc. has been distributing quality hydraulic seals, 

pneumatic seals and O-rings at the lowest prices in the industry.

Today, we strive to give every customer the best buying experience possible.

We have one of the largest inventories of hydraulic and pneumatic seals in the United States.

You'll find O-rings in every standard (inch) size possible and in a variety of materials, including

Buna, Fluoroelastomer (Viton®, FKM), Silicone, Polyurethane, EPR, Neoprene and PTFE, just to name a few .

We also stock metric O-rings in European and Japanese Industrial Standard (JIS) sizes.

If you need an assortment (either standard or metric) we have a huge selection of O-ring kits.

But we are much more than O-rings!

We stock a large variety of loaded and non loaded U-seals (including Disogrin®) for rod seal and piston seal applications.

You'll find U-seals from 5/16 inch in diameter up to 37-1/2 inch in diameter.

Every wiper style imaginable and on the shelf, including; D-style, X-style, H-style, K-style and canned.

Looking for two piece piston seals, T seals, cast iron piston rings, or rod buffer rings?

We've got them, on the shelf ready to ship today!

V-packing (chevron packing) sets, solid or split, its your call.  We can ship split V-packing sets

up to 100 inch diameter same day.  No that's not a typo, one hundred inch in diameter.

We've got W-packing (unee packing), piston cups, flanges, and wear rings ready to be used in any application.

In need of rope packing (box packing), rubber sheet, or general service sheet gasket material?

Yes, yes, yes!

It is all in stock, ready for immediate shipping.

We also distribute aftermarket seal kits for such popular manufacturers as Parker Hannifin®,

Miller Fluid Power®, Hydro-Line®, Caterpillar®, Komatsu®,

Char-Lynn®, Hyco®, and Commercial® to name a few.

If you have a custom cylinder, we can set you up with our custom cylinder kit program.

And if you are looking for metric seals, we stock them as well.

If that has not convinced you to give us a try for all of your hydraulic and pneumatic sealing needs, then click here!


Note - Viton® is a registered trademark of DuPont Performance Elastomers

Note - All manufacture names are for reference purposes only.  We do not imply that these parts are original equipment parts.