Viral 4 Inch Bonomi Sr531s Butterfly Valve, Lug Style, Viton Seat, Stainless Steel Disc With Spring Return Pneumatic Actuator In Multiple Colors [klIhJcvN]

Bonomi SR531S Lug Style Butterfly Valve, Stainless Steel Disc with Spring Return Actuator

Bonomi North America series DA531S/SR531S features direct mount, ductile iron lug style, epoxy coated, resilient seat butterfly valves in sizes 1-1/2”-12”, with Viton seat. The 531S 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 531S series features a phenolic-backed cartridge seat design which offers a 250 CWP maximum pressure rating, deadend service to 100 PSI, and conforms to ANSI B16.1 and ANSI B16.5
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 Lug body
• 531S - VITON seats (10°F TO 300°F)
• 541N/541S - BUNA seats (10°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