Macon Balancing 1/2" FNPT MB Venturi Style Manual Balancing Valve, 1.3-4.0 GPM (5.9 Cv)

Model MB is a venturi style manual balancing valve with 100% positive shut-off full port plated ball. Permanently installed venturi section, Teflon seats, double o-ring shaft seals, Pressure/Temperature readout ports, adjustable memory stop with position indicator and union end with o-ring seal. Available with multiple combinations of end connection types and sizes. Specifications: Pressure Ratings: 600 PSI (4140 kPA) Temperature Ratings: 250°F (120°C) Accuracy: ± 3% of flow rate Body Material: Forged Brass Flow Element: Brass Venturi, permanently installed End Connections: Brass - Fixed End: SWT, FNPT; Union End: SWT, FNPT,& MNPT Ball: Chrome Plated Brass. Stem: Brass Handle: Full size Zinc Plated lever with Vinyl Grip Memory Stop: Zinc Plated Steel Seals: EPDM Seats: Teflon Available Options: "PTV" combination PT & Air Vent, hose end Drain Valve & Extensions