The BONOMI EXME541S SERIES 541S EPOXY COATED CAST IRON BODY ST. ST. DISC BUNA-N SEATS LUG STYLE BUTTERFLY VALVE AND VALBIA CSA APPROVED EXPLOSION PROOF ELECTRIC ACTUATOR is a stylish and attractive 2-way, rubber lined lug-style butterfly valve with stainless steel disc and Buna-N seats. It is suitable for HVAC, water, and air applications.

The valve features an ISO 5211 direct mount/square stem, epoxy coated ductile iron lug body, API609 face to face flange, floating dual shaft disc design, and MSS SP 67 compliant. It is 372 approved and has no pins in the disc to prevent potential leak points.

The electric actuator is NEMA 4x, 7, 8 & 9 (CSA Approved) and has an enclosure that conforms to IP68 with explosion-protected performance and 1/2” FNPT conduit connection. It has a temperature range of 22°F to 158°F, clutch-less manual override, thermostatically controlled anti-condensation heater, self-locking gear system, and is available in both ON/OFF (00*) or 4~20 mA MODULATING (02*). It also has a 30% duty cycle (ON/OFF) and 75% duty cycle (MODULATING), ISO 5211 mounting bolt pattern and DIN 3337 double square drive, ± 5° mechanical stop on 0° and 90°, continuous mechanical position indicator, and built-in thermal overload protection to prevent motor burnout. It also has 2 auxiliary SPDT switches.