Pentair’s Keystone bran with a tradition of more than years, built its reputation on providing industrial process butterfly valves, which are known for their . SERIES GRF DOUBLE-FLANGED RESILIENT-SEATED BUTTERFLY. Heavy-duty concentric butterfly valve with drop-tight shut-off and double-flanged body.
In 195 Keystone Valves launched a new valve concept—the rubber-seated butterfly valve. Through ongoing innovation and customer feedback, Pentair’s . Consult Pentair Valves Controls’s Keystone Butterfly Valves Figure brochure on DirectIndustry. Wafer flanged UL, FM and VDS approved Manual butterfly valve with optional switch.
Copyright 20Tyco Fire Products LP. Figure 9provides drilled and tapped lugs around the valve body, . AC Controls offers Keystone butterfly ball valves as well as Keystone actuation control products; designed manufactured for the process industry. Keystone Butterfly Valves Figure AR1IAR2.
AR(wafer) (to 36), to 1 to 1psi.