EF

Venturi balancing valve with butterfly shut-off, dual extended P/T ports, and grooved extension

EF

Applications: Heating and Cooling Systems

Function: Manual balancing, measuring, and shut off

Accuracy: ±3%

F. S.Pressure Rating: 240 psi at 250° F

Sizes: 2″ – 8″

Butterfly Valve 

Body: Cast iron, lug-type body ANSI Class 125/150

Seat & Gasket: EPDM

Stem: 410 Stainless Steel

Bearings: Nylon

Disc: Al-Bronze or Stainless Steel (If SS is required please consult factory)

Venturi 

Body: Steel ASTM – A120

Instrument Valves: Ext. SuperSeal Pressure/Temperature Ports

Design: Low loss, piezo-ring throat