Emerson’s latest innovation, the AEV C-Ball Valve, is set to revolutionize the way you think about ball valves in the isolation of your cryogenic and severe service processes. With its breakthrough “C” shaped ball design, the ²XC™ ball valve delivers unrivalled torque seated isolation, with improved safety, reliability, and performance.
C-Ball Valves
A double eccentric C-ball valve is similar in principle to a conventional ball valve, but with a half ball that makes a “C” shape. This C-shaped ball rotates on two planes of motion with energy from the stem to close and seal against a fixed seat.
Features
- The “C“ shaped ball design eliminates the ball cavity and with it, the inherent risk of trapped product
- Minimize product loss with a truly zero leakage valve. Torque seating combines with an advanced fixed seat design.
- Reduce emissions with the torque seated design that eliminates dynamic seals and also features an ultra low emission packing system.
- Enjoy a high cycling life with non-rubbing rotation and a cavity free design.
- Engineer cost out of your project with this true bidirectional valve that requires no venting, allowing streamlined pipe
routing and fewer isolation valves. - Designed and tested to meet and exceed the most stringent industry standards and is certified to API 6D, Shell TAT, SIL 3
Technical Data
Size range:
DN 15 to 1050 (NPS ½ to 42)
Pressure rating:
ASME 150 to 4500
EN PN 10 to 760
Temperature range:
-253°C to 600°C (-328°F to 1112°F)
Applications
Cryogenic process isolation, rocket engine testing, severe service, molecular sieve, polymers.
steam conditioning valve
By choosing a Sempell steam conditioning valve you receive an optimally sized and selected solution to fit your
application needs and to properly control the steam pressure and temperature of your system.
Purpose-designed for the latest generation of high-efficiency supercritical and ultra-supercritical power plants,
our valves are also suitable for the power generation units serving industrial and processing plants.
The steam conditioning portfolio includes: turbine bypass systems for HP/IP and LP (with or without safety
functions), HP and LP control and isolation water valves, and steam reducing valves.
With advanced features like the unique Sempell atomizing steam desuperheating nozzle and a tailor-made trim,
they help to generate steam at the specific temperatures and pressures you require, while also limiting the effects
of thermal stress and erosion.
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Take control of the most difficult steam environments.
We recognize just how critical steam temperature control is to the safe and economical operation of your plant – and how difficult it can be to manage accurately.
You don’t want the temperature too high because it could seriously damage the installation, but if it’s too low, the efficiency of the turbine will be poor. Which is why our Sempell valves feature a unique atomizing steam desuperheating nozzle, providing tighter control and a more precise steam temperature.
Steam pressures can also vary enormously, principally due to the changes in load demand caused by renewables. By tailoring the design of each valve trim, Emerson can help make sure any pressure is reliably controlled
throughout the full control range, not just around the operational point.
