Resilient-seated ball valves featuring Memoryseal seating technology, low emissions packing chambers, and other value-added technical features for superior performance.Blowout-proof stem.Metal-to-metal contact between insert and body act as secondary seal and prevents overcompression of the seats.Pipe flange gasket acts as third precautionary sealas threads from the insert are within the raised face flange.Highest standards of quality.
Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations ofpressure and temperature.
TA-Luft certified (optional).
Stem guides prevent side thrust.
Long cycle life
Low, uniform torques.
Velan Memoryseal Unibody ball valves Specifications:
Unique 4-way and 3-way packing arrangements for superior stem sealing.Locking device standard for valves with lever handle.
Pressure Nominal from (bar)
Pressure Nominal to (bar)
Multiple solid cup and cone type PTFE stem seal,Fully enclosed PTFE body seal.
fire-tested to API 607 Rev. 5/ISO 10497. ISO/CAPI for all parameters of standardized valve automation.
- Design standard
ASME B16.34, BS 5351, API 608
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