Master Lock

Blind Lockout Device Medium, Flange Type

Model: SDS647

Mfr. No.: S3923

  • Blind Lockout Device Medium, Flange Type Auto-Cam

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

$121.56 / Each

In Stock

Valve Type

Flange

Pipe Diameter Range

3-1/2" – 12" (88.9 mm – 304.8 mm)

Nut Diameter

1" – 1-7/8" (33.3 mm – 47.8 mm)

Flange Width Range

3-3/4"" – 10-3/4" (95.3 mm – 274.6 mm)


  • Cover and lock out nuts ranging from 1" to 1-7/8" diameter
  • Adjustable device provides a tight fit, adapting to multiple flanged pipe applications
  • Device fully conceals flange bolts preventing access to the blind until all work has been completed
  • Four locking holes allow for multiple workers to lockout device at one time
  • Durable aluminum and hardened steel construction withstands conditions indoors and out