Master Lock Butterfly Valve Lockout

Typically ships in 2-3 business days

Item Code: S3920

Master Lock Butterfly Valve Lockout

Typically ships in 2-3 business days

Item Code: S3920



$45.22 +gst


The Master Lock S3920 Butterfly Valve Lockout Device locks out virtually any butterfly valve in just seconds with use of S806 adjustable locking cable (sold separately). The easy-to-use wedge-shaped device features a stainless steel rivet allowing device to smoothly pivot open and closed to ensure proper fit and directional application arrows allow for ease of installation and minimise error.


  • Adjustable design fits the majority of butterfly valves
  • Made of durable, lightweight Zenex™ thermoplastic material
  • Chemical resistant and performs effectively in extreme environments


We understand that purchasing product online can be difficult as you're unable to touch, feel or try on items you wish to purchase. Therefore we offer a flexible returns policy, where if you're not happy with any product you have purchased, you can exchange or return the product for a full refund within 14 days of invoice provided it meets our returns criteria.

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Click & Collect - You will be notified when ready to collect

  • Albany: Corner of Bush Road & William Pickering Drive, Rosedale 0632
  • Pukekohe: 27 Nelson Street, Pukekohe 2120

**All Orders Ship Freight Free Over $200**

Shipping Rates (Excl. GST)


Standard: $6.95

Rural: $9.00

North Island

Standard: $8.00

Rural: $10.43

South Island

Standard: $10.00

Rural: $14.90


Contact for quote


Contact for quote

*Exclusions include Express Courier Services, Oversized, Drop Ship, Custom and Special-Order products.

Orders are processed Mon-Fri, excluding public holidays and are usually dispatched within 48 hours of order placement. For further information and to view our full shipping policy click here.