The HYPRO 1720-0008 Endplate O-Ring is a high-quality replacement part designed specifically for HYPRO 6100, 6300, 6400, and 6500 Roller Pumps. Made in the United States, this durable O-ring is essential for maintaining the proper seal for your water pump. With its unit quantity of 1, this product ensures a perfect fit and reliable performance for your pumping needs. Trust in the HYPRO brand for excellence in hydraulic, pneumatic, and pump accessories for businesses and industrial applications.
Hypro Models That Utilize the 1720-0008 O-Ring
This O-ring is primarily the endplate gasket/O-ring for certain Hypro roller pumps (not centrifugal models). It is used in:
- Series 6000 roller pumps (after serial number 40,000)
- Series 6200 roller pumps (after serial number 75,000)
- All series 6100, 6300, 6400, and 6600 roller pumps
- Commonly included in repair kits for 6500 series roller pumps (e.g., 6500C, 6500N, 6500XL), where it serves as the endplate O-ring gasket
It is a common wearing part in repair kits like Hypro 3430-0380 (for 6500 series).
Specifications for the 1720-0008 (1720-008) O-Ring
- Material: Typically Buna-N (Nitrile) or Viton-compatible equivalents in repair kits (Buna-N is standard for general agricultural use; resists oils and fuels).
- Dimensions: Approximately 3.5 inches (88.9 mm) outer diameter / inside diameter around 3.125–3.25 inches (depending on exact cross-section), with a thicker cross-section than smaller O-rings (user reports note it as ~0.21–0.275 inches thick for proper sealing).
- Durometer/Hardness: 70 (standard for Hypro agricultural pump O-rings).
- Function: Endplate gasket/O-ring to prevent leaks in roller pump housings.
- Cross-reference: Equivalent to AS568 dash number around -3XX series (large-diameter Buna O-ring), but Hypro-specific sizing for their roller pump endplates.
Exact cross-sectional tolerance and precise ID/OD can vary slightly by batch, but it is designed specifically for the listed Hypro roller pump models. For replacements, always match the full part number 1720-0008 from Hypro/Pentair suppliers to ensure fit.