Water Well Cup Packing
Well cup packings are specialized leather cup seals designed for water-well pumps, hand pumps, and similar uplift applications where moisture resistance and longevity are critical. Leather’s natural structure combined with impregnation makes these packings particularly suited to wet environments.
Typical Applications
Used in deep-well and hand pumps, windmill wells, and other water extraction equipment where durability and resistance to moisture are essential.
Material & Impregnation
Oak-tanned leather — known for moisture resistance — is often used in well cup applications. Impregnation with moisture-resistant agents further enhances performance and service life.
Key Benefits
- Waterproof and adaptable to pump pressures.
- Long life with consistent sealing performance.
Why Leather Matters in Well Cup Packing
Leather’s ability to absorb moisture without breaking down — combined with strategic impregnation — makes it a premium material for well pump sealing applications.
O.D.: Outside Diameter (Nominal O.D. of cup packing when installed)
H: Height of Packing
I.D.: Inside Diameter
T: Thickness of Leather
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