Product Description

Type: ZB1, ZB2, ZB3, ZB1S (sealed), ZB2S (sealed), ZB3S (sealed)
Size: 1-2 inch (DN25-50)
Operating Modes: Fail Closed, Fail Open, Double Acting
Actuator Material: Glass reinforced polyethersulfone (PES)
Bonnet Material:
• Stainless steel
• Handwheel/Bonnet Cover: FDA 21CFR177.1660 compliant PES
Standard Features:
• Autoclavable
• Thermal compensation system
• Visual position indication
• Weep hole
• Safety lock-pin
• 360 degree air port rotation
• 60# and 90# spring packages (Fail Closed)
Corrosion Resistance: Resistant to common industry washdowns. Consult factory for specific chemical resistance.