Reinforced industrial butterfly valve

摘要: A reinforced industrial butterfly valve incorporating a tubular housing, having disc stem mounted for pivotal movement within the flow passage provided through resilient seal around interior periphery of passage, to provide positive during pressure or vacuum service this valve, its application, housing apertures diametrically aligned therein, one being counterbored accommodating bushing mounting extending proximate end stem, while opposite aperture entirely counterbore arranged partially therethrough, and into which another packing mount securement so as furnish control continuous applications invention.