The GA Industries Figure B517 100% Port Full Eccentric Plug Valve is a rugged, field-proven valve that will provide many decades of trouble-free service.Its flow efficient round port provides full port flow for low head loss and better solids handling ability. The valve’s epoxy coated ductile iron body and cover provide superior strength and long term corrosion resistance while the spherically seating rubber coated plug provides drop tight shutoff in both directions.