The 64900 and 64910 hydrant couplings fully comply with the performance and test requirements of API/EI1584 (3rd edition) specification for 4" hydrant system components and all feature a collar lock.
They are available in a basic 90-degree configuration, equipped with an air pressure control valve/emergency valve, or equipped with an electrically operated pressure control/emergency control valve suitable for use with digital pressure control systems.
Connection options are 4” BSPP or NPT female, and a trolley can also be provided.
For low flow systems, a 3" pressure control module is available.