Sherwood USA Anhydrous Ammonia External Thread Valve
Sherwood USA valves are commonly used on pressurized containers of Anhydrous Ammonia.
Powell Valve Closure Systems (Shut Off Systems) are compatible with Sherwood USA Valves and with most other valves found on ton containers or 150 lb cylinders containing pressurized hazardous gases.
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.
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. Click here to read more.
Emergency Shutdown Systems
for Valves on 20 Ton Bullet Tanks, 90 Ton Railcars, and Tank Cars
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. Click here to read more.