Pratt Industrial OS1-100-8CF8-GO - 10" OS Series Wafer Butterfly Valve - SS Disc - EPDM Seat - Gear

Lug valves shall be design for installation between ANSI 125/150 flanges. Wafer valves shall be design for installation between ANSI 125 / 150 flanges. All valves shall be capable of bi-directional, end of line, bubble tight service to rated pressure. Valves are also rated to full vacuum service. Design Standards: API 609 category A.

Features

Pratt Industrial's two piece shaft design provides maximum strength and a high flow characteristic disc.
Top flange conforms to ISO 5211 industrial standard allowing a universal mounting pad for automation requirements which is suitable for most actuators in the market.
Blowout proof stem meets all API 609 requirements. Our unique design also creates a secondary stem journal seal preventing leakage to atmosphere.
Shaft seal: upper shaft seal shall be a self adjusting O-ring compressed between the top (2) upper bushings creating a positive seal between the body and shaft.
Pratt’s unique seat design utilizes 3 tongue and groove connection points to the valve body. Seats remain secure and stable even under high dead-end pressure and full vacuum services. The center tongue not only locks the seat in place, but allows rubber material to flow into the center body groove when cycling the valve, drastically reducing the operating torque.
Size: 10"
Body: Ductile Iron
Disc: 304 Stainless Steel
Resilient Seat: EPDM
Actuation Option: Worm Gear

BFV1000118

Collection: Pratt Industrial

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OS1-100-8CF8-GO - 10" OS Series Wafer Butterfly Valve - SS Disc - EPDM Seat - Gear