Model AB


Model AB Automatic Balancing Valve is a combination ball valve, automatic flow control device and union. The removable flow cartridge is factory set to automatically limit the GPM to within +5% of the specified flow. The ball valve has a chrome plated ball, Teflon seats and a blowout proof stem with double EPDM O-ring seals. The union has an EPDM O-ring seal and tailpiece available in MNPT, FNPT, and SWT end connections. Standard features include Memory Stop and Dual Pressure / Temperature Ports.


Size Range: 1/2″ thru 2″
Pressure Ratings: 600 PSI (4140 kPa)
Temperature Ratings: 250ºF (121ºC)
Accuracy: ± 5% of flow rate
Body Material: Forged Brass
End Connections: Brass – Fixed End: SWT, FNPT
Union End: SWT, FNPT & MNPT
Flow Cartridge: 1/2″ thru 1-1/2″ Ultrason® Composite
2″ Stainless Steel
Seals: EPDM
Ball: Chrome Plated Brass, full port, 100% positive shut-off.
Optional 316 Stainless Steel.
Stem: Brass. Optional 316 Stainless Steel.
Handle: Full size Zinc Plated lever with Vinyl Grip
Available Options: “PTV” combination PT & Air Vent, hose end Drain Valve & Extensions