Filling out the Meyer NFPA specific application data sheet and answering the few simple questions listed enables Meyer to design and supply a rotary valve documented to comply with the NFPA standard that you need for your system. Whether you are utilizing explosion venting (NFPA68) or a suppression system (NFPA69), or if you need a rotary valve designed to isolate a deflagration (Also NFPA69) or contain an explosion (NFPA654/NFPA8503-COAL), Meyer rotary valves are designed according to your needs and the requirements of the application.
Wm. W. Meyer & Sons Inc., Libertyville, IL 847-918-0111 www.rotaryvalve.com