Description
Product Overview
The Kolpak Gasket 38×78 Lh Triple 3‑Sided Window Gasket is engineered as a direct replacement for the original equipment manufacturer (OEM) component, delivering identical dimensions, material composition, and performance characteristics. Measuring 8 × 8 × 36 inches and weighing a negligible 0.01 ounces, this gasket fits precisely into the designated window cavity of hydraulic and pneumatic systems, providing a reliable barrier against fluid leakage and contamination. The gasket features a triple‑layer construction with three distinct sealing surfaces, each engineered to distribute pressure evenly and maintain a consistent seal under fluctuating temperature and pressure conditions.
Manufactured by Kolpak, a recognized leader in sealing technology, the gasket utilizes a proprietary polymer blend that combines flexibility with high tensile strength. This material selection ensures the gasket can accommodate slight movements of adjoining components without compromising its sealing integrity, while also resisting abrasion, chemical exposure, and aging. The 38 × 78 mm Lh (length‑height) configuration aligns with the standard window dimensions used across a wide range of industrial machinery, making it a versatile solution for equipment ranging from small‑scale test rigs to large‑capacity production lines.
![[Product front view showing all components]](https://www.piehub.store/wp-content/uploads/2026/07/e079a0d15ee1427caf91682d9b0f9da4.jpg)
Usage
Designed for demanding industrial environments, this window gasket excels in applications where reliable sealing is critical to safety and efficiency. Typical use cases include hydraulic presses, pneumatic actuators, test chambers, and any system that incorporates a transparent viewing window for monitoring internal processes. The gasket’s triple‑sided design provides redundancy; even if one sealing surface experiences minor wear, the remaining layers continue to protect against leaks, extending service intervals and reducing the likelihood of unexpected downtime.
Installation is straightforward: the gasket is positioned within the window frame, ensuring that each of the three sealing faces contacts the corresponding mating surface. Because the gasket is an exact OEM match, no additional modifications or adapters are required, allowing technicians to replace a faulty gasket quickly and return equipment to operation with minimal disruption. The gasket’s low profile and lightweight nature also contribute to ease of handling and reduced strain on mounting hardware.
When used in environments with aggressive chemicals, high pressures, or extreme temperature swings, the Kolpak gasket maintains its elasticity and sealing performance, making it suitable for sectors such as automotive manufacturing, aerospace testing, chemical processing, and heavy‑duty machinery maintenance.
Why Choose Us
Choosing a genuine Kolpak OEM gasket offers several distinct advantages over aftermarket alternatives. First, the guaranteed compatibility ensures that the gasket fits perfectly, eliminating the risk of misalignment that can lead to premature wear or system failure. Second, the high‑quality manufacturing standards applied by Kolpak mean each gasket undergoes rigorous testing for dimensional accuracy, material consistency, and performance under simulated operating conditions.
Third, using an authentic OEM part helps maintain the original equipment warranty, as manufacturers often require the use of approved components to validate warranty claims. Fourth, the gasket’s design incorporates advanced sealing technology that reduces the frequency of maintenance cycles, delivering cost savings over the product’s lifecycle. Finally, Kolpak provides comprehensive technical support and after‑sales service, ensuring that customers receive prompt assistance for installation guidance, troubleshooting, and spare‑part availability.
Key Features
- Exact OEM dimensions guarantee a perfect fit without modification
- Triple‑sided sealing design provides redundancy for enhanced leak protection
- High‑performance polymer material resists chemicals, temperature extremes, and wear
- Lightweight construction simplifies handling and reduces stress on mounting hardware
- Dedicated customer support and warranty assistance for peace of mind
FAQ
What equipment is this gasket compatible with?
The Kolpak Gasket 38×78 Lh is compatible with any hydraulic or pneumatic system that originally used the Kolpak part number 225171075‑010, including presses, actuators, and test chambers that feature a standard window opening of the same dimensions.
How do I install the gasket correctly?
Begin by cleaning the window frame and mating surfaces to remove debris and old sealant. Align the gasket so that each of the three sealing faces contacts its corresponding surface, then press gently to ensure full contact. No additional adhesives are required, and the gasket can be installed using standard hand tools.
Can this gasket be used in high‑temperature applications?
Yes. The proprietary polymer blend is formulated to retain flexibility and sealing performance at temperatures ranging from -40 °C to +150 °C, making it suitable for most industrial temperature regimes.
Will using this OEM gasket affect my equipment warranty?
Using a genuine Kolpak OEM part helps preserve the original equipment manufacturer’s warranty, as it meets the exact specifications required by the equipment maker. Always verify warranty terms with your equipment supplier.
What if I need assistance after purchase?
Kolpak offers dedicated technical support via phone and email, as well as a network of authorized distributors who can provide installation advice, spare parts, and troubleshooting assistance to ensure optimal performance of your gasket.




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