Description:Cat relief valve groups prevent excessive pressure buildup by releasing fluid when the safety threshold has been reached.Attributes:• Pilot operated relief valve with seals• Max Rated Pressure: 41500 kPa• Nominal Max Flow Rating: 500 L/min• Thread Size: 1-5/8-12• Body Hex Size: 1.875 in (47.6 mm)Application:Consult your owner's manual or contact your local Cat Dealer for more information.