4 Inch Bonomi SRN500S Butterfly Valve, Wafer Style, Cast Iron Body, Stainless Steel Disc, EPDM Seat, Spring Return Pneumatic Actuator

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 which offers a 250 CWP maximum pressure rating, and conforms to ANSI B16.1.

The Valbia pneumatic actuator comes with a hard-anodized aluminum body, and powder coated end caps. In addition, all Valbia pneumatic actuators are standardly furnished with elevated temperature seals to 302F. The patented side loaded limit stops never enter the piston chamber eliminating extra possible leak paths.

VALVE FEATURES:
• ISO 5211 Direct Mount/Square Stem
• Epoxy coated Ductile Iron Wafer body
• EPDM resilient seat (-30°F TO 250°F)
• API609 face to face flange
• Floating dual shaft disc design
• MSS SP 67 compliant
• No pins in disc prevent potential leak  points
• NSF/ANSI 61, 372 approved 

ACTUATOR FEATURES:
• Hard anodized extruded aluminum body
• Concentric spring sets
• Die cast aluminum end caps
• Solid steel barstock pinion (not casting)
• 0°-90° rotation adjustment cam
• 0°-90° rotation adjustment bolts
• POM piston guides
• Minimum air pressure rating: 80 psi
• Maximum air pressure rating: 116 psi
• Working temperature: -4°F - 302°F
• No lubrication maintenance required for the
 entire actuator lifetime
• 100% factory tested

Bonomi SRN500S Datasheet