SPRING - John Blue SC-98019849

The John Blue SC-98019849 is a precision-engineered spring designed for use in John Blue's Round Hose Squeeze Tube Pumps. This spring-loaded back plate ensures accurate metering rates, contributing to the pump's reliable performance in agricultural applications. The spring is compatible with various hose sizes, including 5/16" and 1/2", and supports maximum outputs of 0.58 GPM and 1.4 GPM, respectively. It operates efficiently at speeds up to 125 RPM and pressures up to 6 PSI, with rate ranges of 3-23 GPA for 5/16" hoses and 7-55 GPA for 1/2" hoses. The spring is constructed from durable materials to withstand the rigors of agricultural environments, ensuring longevity and consistent performance. For optimal operation, it is recommended to use the spring with John Blue's Round Hose Squeeze Tube Pumps, which feature a heavy cast iron frame and a choice of optional individual sprockets or complete cluster sets. Regular maintenance, including lubrication of fittings to flush out contamination, is advised to maintain the spring's performance and extend the pump's service life.

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