Skip to main content


Master Lock S3920 Valve Butterfly Lockout


  • Durable, lightweight thermoplastic material is chemical resistant and performs effectively in extreme environments.
  • Stainless steel rivet allows device to smoothly pivot open and close to ensure proper fit.
  • Adjustable design fits the majority of butterfly valves.
  • Directional application arrows allow for ease of installation and minimise user error.
  • Compact design allows device to be applied in tight applications.
SKU: A0087031

Master Lock Butterfly Valve Lockout

Master Lock Butterfly Valve Lockout

RRP $50.58
SAVE $3.16 (6%)

How it works.

Make 4 payments of $11.86 over 8 weeks and get it now!

Buy now, pay later.


  • AIMS SKU A0087031
  • Brand Master Lock
  • Model Number S3920
  • Barcode Number 71649198434

Browse other products under

Valve Lockout

Browse other products by

Master Lock

Calculate Shipping


Write a product review!

Help other AIMS Industrial Supplies users shop smarter by writing reviews for products you have purchased.

Write a product review