Master Lock

Master Lock Butterfly Valve Lockout

Item Code: S3920

The Master Lock S3920 Butterfly Valve Lockout Device locks out virtually any butterfly valve in just seconds with use of S806 adjustable locking cable (sold separately). 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 minimise error.

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  • Adjustable design fits the majority of butterfly valves
  • Made of durable, lightweight Zenex™ thermoplastic material
  • Chemical resistant and performs effectively in extreme environments