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Master Lock

Valve Lockout Devices, Ball/Butterfly Type

Model: SEK637

Mfr. No.: S3921

  • Valve Lockout Devices, Ball/Butterfly Type Groupe Belzile Dickner

Colour, sizing or style depicted in some photos may not be exactly as described.
Please check your product description carefully before placing your order.

Sold as: Each

Valve Type

Ball/Butterfly

  • Adjustable Butterfly Valve Lockout
  • Locks out valve in seconds by feeding cable lockout device (SED597) through desired eyelet and around valve neck
  • Locks out valve in seconds by feeding SED596 (S806CBL3) – 3 ft cable lockout device (included) 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