At Master Lock, the health and safety of our associates is always a priority. During this rapidly evolving time, we’re taking the necessary precautions to help reduce the spread of COVID-19 in our communities and our facilities while continuing to meet our customers’ needs. For the latest information and resources regarding COVID-19, please visit the World Health Organization website.

Hover over image to zoom

Model No. S3477

Wedge-Style Ball Valve Lockout, 1-1/4in (31mm) to 3in (76mm) Diameter Valves

Best Used For

Product Locator

Request A Quote

Learn about our products from a Master Lock Sales Representative.

View My Quote List

Overview & Features

Product Features

  • 1/4 Turn Ball Valve Lockout
  • Fits manual, quarter turn ball valve handles to protect against accidental opening
  • S3477 fits valves between 1-1/4in (32mm) to 3in (76mm) diameter
  • Easy to use one piece design locks valve in OFF position
  • Compact size can easily be stored or carried
  • Two rows of lock out points allow for a secure fit
  • Heat resistant powder coated metal body

Product Details

The Master Lock No. S3477 1/4 Turn Ball Valve Lockout features a compact size that can easily be stored or carried and a heat resistant powder coated metal body. Device fits manual, quarter turn ball vale handles to protect against accidental opening and fits valves between 1-1/4in (32mm) to 3in (75mm) diameter. The easy-to-use one piece design locks valve in OFF position.

Product Specifications

  • Product Number S3477
  • Description Not Keyed
  • Master Carton Qty 24
  • Color Red

Service & Support