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Powell is the ONLY manufacturer to offer both electric and pneumatic emergency shutdown
systems for compressed gas cylinders and container sizes including 150 lb cylinders,
ton containers, 90-ton railcars, bullet tanks, tankcars, and tube trailers.
Powell Valve Closure Systems are superior to any other emergency shutdown system
available on the market. Powell offers several brackets designed to adapt to a variety
of valve types, making the systems compatible with an extensive list of hazardous
gases. Powell can design, engineer and test prototype
brackets upon request.
Cylinder Actuators for Valves on 150 lb Gas Cylinders and Ton Containers
Powell offers both electric and pneumatic emergency shutdown systems for
compressed gas cylinders ranging from 150 lb to one ton. Powell Valve Closure Systems
are unique from any other emergency shutdown system available on the market in that
the actuator mounts on the valve body, not on the yoke. Powell's
E-Pro (Electric) Valve Closure System and MaxPro RA (Pneumatic) Valve Closure
Systems are compatible with an extensive list of valves found on 150lb cylinders
and ton containers. These include but are not limited to:
Applicable to a variety of compressed cylinders, valve designs and hazardous chemicals, the systems have
a unique mounting bracket that can be mated to any of several available valve adapters.
More...
Pneumatic Actuators for Valves on 20 Ton Bullet Tanks, 90 Ton Railcars,
and Tankcars

Powell Valve Closure Systems for large containers ranging from 20-Ton bullet tanks
to 90-Ton railcars. The Powell UniPro Standard, R (Reversible), LT (Low
Torque), LTR (Low Torque Reversible), and QT (Quarter Turn) are pneumatic
systems compatible with many valve types found on 20 ton bullet tanks, 90 ton
railcars, and tank cars including but not limited to:
- Midland Valve A 713
- Midland Valve A 718