Piston Seals

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F O R U M

Piston Seals

Style PS1400
The PS1400 seals offer low friction and high strength in a compact double-acting piston seal design. The PTFE seal ring, combined with rubber energizer, assures positive contact with the dynamic surface.

Style PS1500
Totally interchangeable with Style PS1400 PTFE piston seals, Style PS1500 piston seals are molded from tough 60 shore D durometer polyurethane. During the molding process, a .002” thick band of molybdenum is molded into the outside diameter of the seal ring for reduced friction.

Style PS1600
15% Glass Filled PTFE seal rubber energizer.

Style PS1800
The PS1800 provides low friction, high strength piston sealing. The PS1800 also provides double-acting piston sealing in a compact design that meets the requirements of ANSI/B93- 32-1973.

Style PSQ
These piston seals provide bi-directional, low friction sealing with increased stability and superior leakage control. The square cut energizer provides low pressure sealing and eliminates backside leakage. This seal also effectively seals between different fluids on each side of the piston seal, making gas/liquid sealing combinations possible.

Style PS914
Glass Filled Nylon Seal Rubber Energizer.

Style PSC
The Style PSC is a double acting piston seal designed to replace o-rings, quad-rings, and T-seals with the same groove dimensions (O-ring dash number).
The crowned sealing surface produces a positive seal from vacuum to high pressure.

Style PSM
Molded from 93 Shore A polyurethane with a 70 Shore A energizer, this seal utilizes the same groove dimensions as a standard o-ring to T-seal. Extrusion resistant by design, this seal also is resistant to rolling and twisting.

Style PSU
Style PSU piston seal, or uniring, is a laminated one piece double acting seal made of cast polyurethane. The tough outer layer is highly resistant to abrasion and is impregnated with molybdenum disulfide to reduce friction. The softer inner layer acts as a static seal and also energizes the OD to make full contact with the bore.

Style CPS
A heavy duty double-acting assembly, the capped piston T-seal exhibits excellent sealability, extrusion resistance and wearability. T-seals with “BR” suffix utilize a Bronze Filled PTFE cap instead of the standard Glass Filled PTFE cap.

Style SPR
When using iron piston rings, it is crucial to use the correct groove design for proper performance of the cylinder.

Style MPS Metric
PTFE Piston Seal Nitrile 70 Energizer. 2 pc Piston seal.

Style MCPS Metric
PTFE Piston Seal Nylon Back-up Buna-n Energizer. 4 Pc Piston Seal.pins.

Technical Resources

DMR Seal Design Sheet

DMR_ISO9001_2000_logo

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