Armstrong Fluid Technology 571110LF-361 Valve

Valve, Circuit Balancing, 3/4" NPT, Brass Body with EPDM Elastomers, 0.41-3.11 gpm Flow Rate Range, Circuit Balancing Low Flow Valve with PT Ports rated at 300 psi maximum working pressure and -4 to 300 degree F operating temperature (Model CBV075VTCR-LF)