Ultraflo Chemical Process 
Butterfly Valves

The Ultraflo 300 series is available in 390/399 wafer style and 392/393 lug style designs. The two-piece housing allows for a one-piece investment cast disc stem creating maximum flow area, minimal product entrapment and smooth flow characteristics.

The 399/392 versions have slightly reduced I.D. for O.D. tubing service.

FEATURES 
bullet100% American made.
bulletLarge inventory supports quick delivery.
bulletCNC machining ensures consistent adherence to precise tolerances.
bulletUpper and Lower Ertalyte bushings prevent seizing and galling.
bulletBaked-on powder epoxy coating (iron bodies).
bulletDovetail seat retention method.
bullet0-rings incorporated into seat at potential leak points (stem hole and flange face) provide positive seal.
bulletEach valve tested to 110% of stated pressure rating.
bulletBodies available in 316 stainless to provide corrosion resistance in harsh environments.
bulletComplete teflon encapsulation of all wetted parts available.

MATERIALS OF CONSTRUCTION
HOUSINGS: 316 STAINLESS STEEL, CAST IRON AND NODULAR IRON (EPOXY COATED), ALUMINUM

DISC STEM ASSEMBLY:
316 S/S OR 17-4 S/S (AVAILABLE WITH SATIN OR HIGH POLISH FINISH), ELASTOMER, TEFLON, HALAR AND OTHER CUSTOM COATINGS AVAILABLE

SEATS: TEFLON, EPDM, NITRILE, BUNA, VITON
ULTRAFLO MODEL 390/399 IS DIMENSIONALLY INTERCHANGEABLE WITH KEYSTONE FIG 99/999 ULTRAFLO MODEL 392/393 IS DIMENSIONALLY INTERCHANGEABLE WITH KEYSTONE FIG 992/993

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