A1 Leather Cup & Gasket Co

CW Marsh, a family-owned business based in Muskegon, MI, has been a leader in the leather seal industry for over 110 years, specializing in high-quality leather mechanical packings for hydraulic and pneumatic systems. Their products, including leather vee packings, cups, flanges, and backup washers, are crafted with a commitment to quality, service, and dependability that reflects their long-standing heritage.

The company prides itself on using leather, a naturally strong and renewable resource, to produce custom-made packings that excel in preventing the passage of foreign materials along shafts and piston rods. With a focus on responsive customer service and on-time delivery, CW Marsh ensures that their leather seals are not only effective but also capable of handling abrasive materials without compromising seal integrity.

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