• Device fully conceals flange bolts preventing access to the blind until all work has been completed.
• Adjustable device provides a tight fit, adapting to multiple flanged pipe applications.
• 3 sizes available for use with nut diameter from  1-7/8 to 2 3/4 inch (3mm to 69.9mm).
• Four lockout holes allow for multiple workers to lockout device at one time.
• Durable aluminum and hardened steel construction withstands conditions indoors and out.

S3922 - Blind flange lockout device small (bolt nut ø 19 mm - 28.5mm)
S3923 - Blind flange lockout device medium (bolt nut ø 33mm - 48mm)
S3924 - Blind flange lockout device large (bolt nut ø 52mm - 70mm)