DK109 2016-12-29T09:17:34+00:00

Piston Seal – Style DK109

Uses: This is a 4-piece compact piston seal. it will seal in both direction – push and pull stroke. This is a high pressure seal with built-in back-up rings and piston bearing / guide rings. It is usually made from 3 different materials – an NBR expander ring, the outer sealing ring made from either PUR or TFN. The guide rings made from a rigid material like POM.

Note: We can ship this style seal fast up to 12 inches or 300 MM outside diameter. This seal is also available up to 60 inches or 1500 MM outside diameter but may require a longer production time.

Cross Reference: Directly interchanges with: Simrit VCT, Merkel OMEGAT OMK-SD, L43 Compact Piston Seal, T19 Compact Piston Seal, Parker Pradifa / PDF ZC, ZD, ZO, ZQ, ZS, James Walker Lioneseal, Solosele, Hallite 58, 64, 753.

This seal is infinitely variable in sizing. We can change any dimension to suit your seal application – whether it be for changes in the metal parts you made, wear on the component where the seal fits or redesigning an existing piece of equipment. Changes as little as .001″ or 0.25 MM can be made.

Materials Available for EPM Style DK109
Part #1
Polyurethane (HPU)
Virgin PTFE (TFV)
PTFE/Nickel (TFN)

Part #2
Nitrile (NBR)
Fluoroelastomer (FPM)
EPDM Rubber (EPDM)

Part #3
Polyoxymethylene (POM)
PTFE/Nickel (TFN)

Please include materials in your order

Seal Dimensions Diagram

Below is a diagram of the seal’s dimensions.The blank boxes are the necessary sizing information that EPM needs to make your seal.

Piston Seal - Style DK109-sealdimensions

Use any of the following ways to contact us for a quote on this style seal.

Call Us
Call Free in the U.S. – (800) 659-5050
Local & International – (770) 389-0501

Fill-Out Short Online Form (click here)

Send Us The Seals
Contact your EPM Seal Specialist and they will give you the EPM FedEx or UPS account number to cover the shipping charges. Then, you can send us your old seals to the address below.
EPM Inc.
112 West Burke Street
Suite G
Stockbridge, GA 30281

Free in the U.S. – (888) 353-7325
Local & International – (770) 389-0652



Contact Us

EPM, Inc.
112 W Burke St.
Stockbridge, GA 30281

Phones and Fax Numbers

Call Free in the US: 800.659.5050
Local & International: 770.389.0501
Fax U.S: 888.353.7325
Fax Local & International: 770.389.0652