MASTERLOCK S3923 Blind Flange Medium Lockout Device

€92.66 Ex. VAT

Out of Stock
Code Type No. Quantity Price Ex. VAT
R23827 S3923   €92.66 Out of Stock - Email me when back in stock
Delivery Info

Please allow 1 - 2 Business Days for Delivery

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Returns Policy

Easy Returns via Store, Post or Courier

Caulfield Industrial  are happy to accept items returned to us within 28 days of purchase and in this case we offer you an exchange or a full refund once we receive the items and process them in our warehouse. Any returns which fall outside this 28 day time period may be considered on a case-by-case basis and is at the discretion of Caulfields and may be refunded as a credit against a future purchase. All items must be returned to Caulfields in the same condition in which they were shipped and in a saleable condition. Caulfield Industrial reserves the right to refuse a return if it is determined that the item has been used or worn and then returned for any reason other than being ‘faulty’.

 Click here to see our full Returns policy

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Masterlock S3923 Blind Flange Medium Lockout Device


The Master Lock S3923 Blind Flange Lockout device is a physical, best practice solution for pipeline maintenance. The adjustable cup allows for a secure fit that conceals and locks out access to nuts holding a blind in place. Workers can perform maintenance with confidence that the blind they placed on a pipeline will not be removed until all workers have removed their padlocks.

  • The device fully conceals flange bolts preventing access to the blind until all work has been completed
  • An adjustable device provides a tight fit, adapting to multiple flanged pipe applications
  • Recommended for use with nut diameter from 33 mm to 48 mm
  • Four lockout holes allow for multiple workers to lockout device at one time
  • Durable aluminium and hardened steel construction withstands conditions indoors and out
  • Colour: Red/Silver
  • Temperature Range: -40 to 90 degree Celsius

Technical File:


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