Split mechanical seal 442PR
cartridgefor pumpsmetal

split mechanical seal
split mechanical seal
split mechanical seal
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for pumps
metal, carbon
Other characteristics
external, split
Operating pressure

31 bar (450 psi)

Operating temperature

120 °C (248 °F)


Maximum Heat Removal in Hot Water Services ​​​​​​​The design of the Chesterton 442PR split seal is ideal for hot heater drains and boiler feed pumps where cooling to a single seal must be provided. The high capacity pumping ring provides for maximum heat removal and reliability in hot water services. The 442PR delivers the lowest cost of ownership from its ease of installation, low cooling, and reliability. Features High-flow pumping device Designed for API Plan 23 Engineered for high ​​pressure High strength external springs Non-fretting to equipment Premium, high-graphite carbon face Ball-and-socket O-Rings Patented, automatic centering Certified to NSF / ANSI 61
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.