4 Inch Bonomi SRN500S Butterfly Valve, Wafer Style, Cast Iron Body, Stainless Steel Disc, EPDM Seat, Spring Return Pneumatic Actuator Explosion Proof Fans • 2003 Dissolved Oxygen (Polarographic)

• 2003 Dissolved Oxygen (Polarographic)

● Aluminum louver shutters are supported by long life nylon bushings

It is easily installed into standard 22mm diameter cut-outs and connected to your control circuits with simple screw-clamp connections

Unit is capable of 467 CFM at open air flow

ELECTRIC MOTOR BEARING GREASE USED IN MANY DIFFERENT BRANDS OF MOTORS

4 Inch Bonomi SRN500S Butterfly Valve, Wafer Style, Cast Iron Body, Stainless Steel Disc, EPDM Seat, Spring Return Pneumatic Actuator Explosion Proof Fans • 2003 Dissolved Oxygen (Polarographic)Bonomi SRN500S Bonomi North America series SRN500S features the N500S, Direct mount cast iron wafer style, epoxy coated, resilient seat butterfly valves in sizes 1 1 2 12, with EPDM seat are NSF ANSI 61 372 certified. The N500S has a stainless steel disc. This series shall offer a dual stem design and ISO 5211 DIN 3337 direct mounting for high cycle automation capabilities. In addition, the N500S series features a phenolic backed cartridge seat design