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.