Master Lock S3920 / S3921 BUTTERFLY VALVE LOCKOUT

• Adjustable Butterfly Valve Lockout
• Locks out valve in seconds by feeding S806 cable lockout device through desired eyelet and around valve neck
• Durable, lightweight thermoplastic material is chemical resistant and performs effectively in extreme environments
• Directional application arrows allow for ease of installation and minimize user error
• Stainless steel rivet allows device to smoothly pivot open and closed to ensure proper fit
• The Master Lock No. S3920 Butterfly Valve Lockout Device locks out virtually any butterfly valve in just seconds with use of S806 adjustable locking cable.
• The easy-to-use wedge-shaped device features a stainless steel rivet allowing device to smoothly pivot open and closed to ensure proper fit and directional application arrows allow for ease of installation and minimize error.

• Dimensions: Length = 54.2mm x Width = 49.5mm x Height Open = 45.7mm / Height Closed = 33.5mm
• Maximum Handle Width = 43.7mm
• # Adjustable Fits = 5 adjustment angles ranging from 16° - 35°
• Body Material PBT and PC Zenex&trade
• Chemical Resistance Silicone oils, hexane, solvents, bleaches, dilute acetic acid and naphtha
• Corrosion Resistance ASTM F883-09 Section 11.3, Grade 6 Weathering-Corrosion Test
• Operating Temperature -40° F to 200° F (40° C to 93° C)
• REACH Compliant Yes
• Prop 65 Compliant Yes
• ATEX Certified Yes
• Color Finish Red 120V - 240V

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