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Custom Hydraulic Seals and Pneumatic Seals - Web Seal Inc

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Parker PolyPak seals are high-performance, multi-purpose squeeze seals, typically made of polyurethane, that combine an O-ring energizer with a lip seal. Ideal for rod or piston applications, they prevent leaks from low to high pressure (exceeding 60,000 psi). They offer exceptional stability, extrusion resistance, and are commonly used in hydraulic cylinders.

Design: Combines an O-ring (usually Molythane) as an energizer with a lip seal.
Low-Pressure Sealing: The O-ring energizer ensures high tightness, even when no system pressure is present.
High Pressure Performance: As pressure increases, the lip loading automatically compensates, preventing leakage.
Versatility: Suitable for both rod and piston seals, with square or rectangular configurations.
Materials: Frequently made from Molythane (a blend of polyurethane and lubrication additives), providing high abrasion and extrusion resistance.
Types: Available in various profiles, including Beveled Lip (BPP) for, for example, excellent fluid film cutting, and Standard PolyPak (SPP) with, for example, a scraper lip.
Temperature Range: Generally operates between -65°F to +200°F (-54°C to +107°C).

PolyPak Hydraulic Seal with Beveled Lips (BPP) - Parker NA
Filter . ConfigureWhere to Buy. Parker's BPP Profile, Beveled Lip Type B PolyPak® hydraulic seal is a rectangular shaped symmetric...
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PARKER PolyPak SEALS - Coastal Hydraulics
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Rod & Piston SPP, DPP, and BPP PolyPak Seals | Zatkoff
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PolyPak®/STANDARD O-RING LOADED LIP SEAL – INCH
PolyPaks are standard type loaded lip seals that are square in configuration. They can be used as rod or piston seals. Some PolyPa...
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A PolyPak seal is a multi-purpose sealing device that can be used in vacuum and high and low pressure applications. It combines an...
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PolyPak Hydraulic Seal with Beveled Lips (BPP)

Parker NA

https://ph.parker.com › ... › Piston Seals

Parker NA

https://ph.parker.com › ... › Piston Seals

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Parker's BPP Profile, Beveled Lip Type B PolyPak® hydraulic seal is a rectangular shaped symmetrical squeeze seal with a knife trimmed beveled lip for hydraulic ...Read more

Polypack Lip Seals

McMaster-Carr

https://www.mcmaster.com › products › polypack-lip-seals

McMaster-Carr

https://www.mcmaster.com › products › polypack-lip-seals

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Choose from our selection of polypack lip seals, including over 120 products in a wide range of styles and sizes. Same and Next Day Delivery.

PARKER PolyPak SEALS

Coastal Hydraulics

https://www.coastalhydraulics.net › technical-library

Coastal Hydraulics

https://www.coastalhydraulics.net › technical-library

PDF

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The Parker PolyPak combines an O-ring type synthetic rubber O-Spring with a conventional lip-type seal (see Figure 1.) to produce a unique sealing device.Read more

7 pages

Rod & Piston SPP, DPP, and BPP PolyPak Seals

Zatkoff Seals & Packings

https://www.zatkoff.com › catalog › master-catalog › ro...

Zatkoff Seals & Packings

https://www.zatkoff.com › catalog › master-catalog › ro...

Dive Deeper

Parker's PolyPak seal is a patented precision molded multi-purpose seal. The Parker PolyPak combines an O-ring type synthetic rubber o-spring with a ...Read more

PolyPak®/STANDARD O-RING LOADED LIP SEAL

Allegheny York

https://www.alleghenyyork.com › products › POLYPA...

Allegheny York

https://www.alleghenyyork.com › products › POLYPA...

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Standard type loaded lip seals, also known as standard PolyPaks®, can be used as rod or piston seals and are basically square in configuration. |◁ ...Read more

store rating (139)$10 delivery

polypak-seals.pdf

All Seals Inc.

https://allsealsinc.com › pdfs › polypak-seals

All Seals Inc.

https://allsealsinc.com › pdfs › polypak-seals

PDF

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Parker Molythane is the oldest and most generally specified seal material for hydraulic service. This unique material is a superior blend of Polyurethane ...Read more

What Is PolyPak Seal?

JST-Seals

https://www.jst-seals.com › blog › what-is-polypak-seal_...

JST-Seals

https://www.jst-seals.com › blog › what-is-polypak-seal_...

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PolyPak seal combines the O-ring as an energizer with the lip seal to form a special sealing device, which can seal in vacuum and high and low pressure ...Read more

18702250 PARKER POLYPAK SEAL 2.25" X ...

eBay

https://www.ebay.com › itm

eBay

https://www.ebay.com › itm

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Standard type Loaded Lip Seals can be used as rod or piston seals and are basically square in configuration. They are manufactured from high quality 90 ...Read more

$6.95In stock$5 delivery30-day returns

Parker - 1/2" ID x 3/4" OD, 1/4" Thick, Polypak Seal

MSC Industrial Supply

https://www.mscdirect.com › product › details

MSC Industrial Supply

https://www.mscdirect.com › product › details

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$47.94 /ea. Web Price. Parker · 1-1/2" ID x 2" OD, 3/8" Thick, Polypak Seal. MSC # 65076093.Read more

$28.21In stock$12.99 deliveryFree 30-day returns

L37502500 POLYPAK SEAL

Motion Industries

https://www.motion.com › products › sku

Motion Industries

https://www.motion.com › products › sku

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American Packing & Gasket Company. L37502500 POLYPAK SEAL. L37502500 POLYPAK SEAL. Your Price$27.96/each. Add to Cart. Overview. Mfr description. L37502500 ...Read more

$27.96In stockFree delivery over $100

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