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Master Lock Seal-Tight Handle-On Valve Lockout

2.0 out of 5 stars 7 customer reviews

List Price: $39.09
Price: $24.66 & FREE Shipping on orders over $49. Details
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Specifications for this item
Brand Name Master Lock
Part Number S3068
Material Type Steel , Aluminum
Number of Items 1
EAN 0071649130021
UNSPSC Code 46171511
UPC 071649130021


Frequently Bought Together

  • Master Lock Seal-Tight Handle-On Valve Lockout
  • +
  • Master Lock Rotating Electrical Plug Lockout
  • +
  • Master Lock 410 Xenoy Safety Padlock with Short Body, 1/4" x 1-1/2" Shackle (Pack of 6)
Total price: $42.62
Buy the selected items together

Product Features

  • Clamps onto a ball valve handle stop and combines with a padlock (sold separately) to help protect against valve operation
  • Fits 1/4" to 4" (0.6 cm to 10.1 cm) sized ball valves
  • Aluminum and steel parts function in temperatures from -70 to 350 degrees F
  • Includes three "DANGER" labels, one each in English, Spanish, and French

Product Description

The Master Lock Seal-Tight handle-on valve lockout clamps onto a ball valve handle stop and combines with a padlock (sold separately) to help protect against valve operation during maintenance and repair, and fits 1/4" to 4" (.6 cm to 10.1 cm) sized ball valves. This lockout is made from aluminum and steel parts that function in temperatures from -70 to 350 degrees F. It accommodates padlock shackles up to 9/16" outside diameter and includes three "DANGER" labels, one each in English, Spanish and French. This device is part of a lockout/tagout (LOTO) safety procedure required at facilities where electrical plugs need to be isolated during maintenance and repair.

Lockout/tagout (LOTO) safety procedures require that lockout devices meet Occupational Safety and Health Administration (OSHA) 1910.147(c)(5) standards for quality assurance. LOTO devices use color, warning labels or tags, and sometimes a physical barrier to help prevent machine operation or power activation during maintenance and repair.

Master Lock manufactures padlocks, combination locks, and related security products. The company, founded in 1921, is headquartered in Milwaukee, WI.


Product Details

  • Product Dimensions: 6 x 2.8 x 2 inches
  • Shipping Weight: 7.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B0032R5UUS
  • Item model number: S3068
  • Average Customer Review: 2.0 out of 5 stars  See all reviews (7 customer reviews)
  • Amazon Best Sellers Rank: #131,840 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
seem easy to use once you figure out the specific way it is applied. There is a video for this on the Master Lock Industrial website...it is however quite hard to locate. The stem that pushes thru the small opening on the handle is quite thin. It seem to be about 3/16". So it seems quite easy to undo once the stem is broken.
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Verified Purchase
I purchased the Master Lock Seal-Tight Handle-On Valve Lockout to lock a water shut off valve for a client. It is easy to use and works well.
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Verified Purchase
Did not work at all. The only thing it did is slow the flow because it only locks part way.
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Verified Purchase
Junk. Doesn't work with all ball valves. For the price, I can do better.
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