Master Lock Butterfly valve lockout, device only

SKU: S3920

Order high quality Workplace, Lockout and Tagout, Lockout Devices & Hasps products online now. Exclusively for trade and business customers. We are fully operational today and continue to take orders via the website 24 hours a day, 7 days per week, 365 days per year.

32.95 incl. VAT


Product Features

  • Adjustable Butterfly Valve Lockout
  • Locks out valve in seconds by feeding S806 cable lockout device through desired eyelet and around valve neck
  • Durable, lightweight thermoplastic material is chemical resistant and performs effectively in extreme environments
  • Directional application arrows allow for ease of installation and minimize user error
  • Stainless steel rivet allows device to smoothly pivot open and closed to ensure proper fit

Product Details

The Master Lock No. S3920 Butterfly Valve Lockout Device locks out virtually any butterfly valve in just seconds with use of S806 adjustable locking cable. 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 minimize error. Made of durable, lightweight Zenex™ thermoplastic material, device is chemical resistant and performs effectively in extreme environments.

  • Product Number: S3920
  • Colour: Red
  • Description: Commercial Boxed Packaging
  • Master Carton Quantity: 24

Understanding Stock Statuses

At Advanced Safety, we use visual stock status icons to help you quickly understand product availability while browsing. Here's what each label means when shopping for PPE, safety footwear, workwear, or first aid supplies.

In Stock Icon – Ships within 24 hours
In Stock

Products marked as "In Stock" are held in our warehouse and typically ship within 24 hours (if ordered before 2pm). You can log in or create an account to see real-time stock levels and plan your order with confidence.

Limited Stock Icon – Low stock, check availability
Limited Stock

"Limited Stock" means there are only a few units left of that product or size variant. We recommend ordering soon, especially for high-demand items. Log in to confirm availability or reserve remaining stock.

Special Order Icon – Ordered on request, lead time applies
Special Order

These items are not stocked in-house and are ordered directly from our suppliers once your order is placed. Delivery timelines vary based on manufacturer lead time. We'll confirm ETA with you before finalising dispatch.

Need help planning large orders or sourcing alternatives for Special Order items?

Contact Our Team

Sign up for our newsletter

We only use your email address to send you our newsletters.

Thank you for your submission! You will hear from us soon.