Anderson Greenwood and Crosby are the world's premier manufacturers of pressure relief valves, tank blanketing products and instrumentation valves and manifolds.
Pressure Relief Products
Looking for the right pressure relief valve to protect your system? Anderson Greenwood and Crosby are the premier suppliers of both direct spring operated and pilot operated pressure relief valves.
Browse the Anderson Greenwood and Crosby Direct Spring and Pilot Operated pages for further information on these products. See also additional information on their website linked below.
Tank Protection Products
Anderson Greenwood / Tank Protection Products offer a high performance alternative to spring and weight-loaded relief devices for low pressure systems. The Series 90/9000 group of products is a very wide range of both pressure and vacuum relief valves, primarily designed for protecting low pressure storage vessels and tanks, as well as low pressure piping systems. They are designed to meet the requirements of ASME VIII and API 2000; many models also satisfy IMO and other marine regulations.
Safety Selector / Safety Relief Valve
Anderson Greenwood / Crosby developed the patented, Safety Selector Valve in response to the growing demand for cost-effective, dual pressure relief valve, safety relief valves and/or rupture disc installations in today's process industries. The Safety Selector Valve is designed specifically to function as an effective "switchover" device that permits routine or emergency servicing of redundant pressure relief devices with no process interruption, providing continuous system overpressure protection.
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