Available from O'Keefe Controls Co.
Sapphire Orifice Assemblies
The restrictors incorporate a precision synthetic sapphire orifice which is fitted within a main body. The sapphire orifice is a stable,accurate flow restrictor.Standard sizes range from .0012" to .0252"orifice diameter in 32 increments
Metal Orifice Assemblies
One-piece construction of solid metal is employed. Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to .063" orifice diameter. Special sizes can be made to order.
Screened Metal Orifices
Stainless steel wire screens are mounted within the precision orifice assembly to protect the orifice from contamination that could be introduced during handling or installation. The fine screens are not intended to replace normal filtration equipment, but rather to augment the protection of small orifices.