Iris Valve

The patented Vortex® Iris Valve is designed specifically to handle dry bulk solids during the gravity discharge of free-flowing material from bins, bulk bags, chutes, and hoppers.

• Optional preset positions for quick adjustments to the material flow rate
• Control ring made of stainless steel, for increased torque and added durability
• The sleeve is inexpensive and easy to replace
• Flange options to match the equipment above the valve
• Optional double sleeve for better handling of fine materials and dust
• The control ring is precision-machined for quick, smooth operation and to prevent binding and galling
• Optional double-sleeve configuration
• Ideal for handling delicate or crumbly materials
• FDA-compliant materials of construction

Optional preset positions for quick adjustments to the material flow rate

Control ring made of stainless steel, for increased torque and added durability

The sleeve is inexpensive and easy to replace

Flange options to match the equipment above the valve

Optional double sleeve for better handling of fine materials and dust

The control ring is precision-machined for quick, smooth operation and to prevent binding and galling

Optional double-sleeve configuration

Ideal for handling delicate or brittle materials

FDA-compliant materials of construction

Non-abrasive to moderately abrasive powders, pellets, and granules

Standard flanges or tube stubs; ferrule-type fittings available upon request

Aluminum, 304 or 316L stainless steel

Urethane, silicone, Buna-N nitrile rubber, PTFE, static-dissipative

Visual indication based on handle position

FDA-compliant 2.5 oz. silicone-coated sleeve

The sleeve is made of 4 oz. nylon with a urethane coating.

The sleeve is made of 8-ounce nylon that is Teflon-coated.

An optional bolt hole pattern is specified. *Additional modifications are available depending on the application.