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Easyflow by Neles™ resilient seated butterfly valves, series JA
Premium performance product
Easyflow by Neles JA series concentric disc resilient seated butterfly valves are suitable for a wide range of applications in manual or automated on/off through throttling control services. Although compact and lightweight, the JA series is designed to be rugged, reliable, and to comply with a variety of global industry standards.
Various materials of construction available for wide range of applications
Easy to maintain
Designed for control service with two-piece stem for highest Cv
ISO 5211 mounting pad for direct mounting of handle, gear operator, manual override, or actuator
An extremely tight fit square drive between the stem and disc provides accurate and repeatable shut-off and control
Bonded seal is the most rugged method of construction available, providing consistent operating torque, maximum cycle life, and higher flow rates in control. Avoids pinching and tearing that can occur with non-bonded seal designs.
Bonded seal is easy to remove and replace if maintenance is ever needed
Disc is precision machined with a spherical disc edge to provide long cycle life and consistent torque
Two-piece stem arrangement for highest Cv and maximum flow
Top and bottom stems have anti blow-out protection that also prevents lifting or pushing of the disc during actuator installation or removal
Lower stem includes groove for easy servicing
The burnished stem is supported by self lubricating polymer bearings to minimize deflection and provide smooth operation and long life