16 JamesburyValve Solutions Jamesbury High-Performance Butterfly Valves Maximizing Cycle Life The combination of their unique off-center disc, proprietary flexible-lip seat design, Xtreme sealing technology, and other features make our Wafer-Sphere highperformance butterfly valve a tight-sealing, long-lasting, yet lighter and lower-cost alternative to gate valves and other heavier rotary-type designs. • A more compact size – puts less stress on the system. • Easier maintenance – no need to remove pins, shafts or discs. Insert removes for easy access to the seat. The insert and seat are both self-adjusting. • Longer cycle life –Xtreme seat materials are proven to outperform the competition – life cycle improvements of 500% have been documented. • Tighter sealing – unique seating principle creates a more reliable bubble-tight seal. • Wider pressure and temperature range – proprietary Xtreme seating materials broadenWafer-Sphere butterfly valve’s temperature and pressure applicability – temperatures range from -420°F to 500°F and pressures up to 1480 psi. • Easier automation – accommodates a variety of actuation options and digital positioners for control service. • Lower cost-of-acquisition/ownership – a more competitive purchase and installation price than gate and other heavier rotarytype valves.
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