--- product_id: 390975791 title: "Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm" brand: "master lock" price: "R755" currency: ZAR in_stock: true category: "Master Lock" url: https://www.desertcart.co.za/products/390975791-master-lock-s3910-lockout-tagout-pressurized-gas-valve-lockout-red store_origin: ZA region: South Africa --- # Supports multiple personal padlocks Fits valves up to 3 in. diameter Patented design prevents accidental valve opening Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm **Brand:** master lock **Price:** R755 **Availability:** ✅ In Stock ## Summary > 🔐 Lock it down, keep your team safe, and never miss a beat! ## Quick Answers - **What is this?** Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm by master lock - **How much does it cost?** R755 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/390975791-master-lock-s3910-lockout-tagout-pressurized-gas-valve-lockout-red) ## Best For - master lock enthusiasts ## Why This Product - Trusted master lock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Visible:** Bright red, rugged plastic construction with included warning labels for instant hazard recognition. - • **Multi-User Lockout:** Enables multiple workers to apply their own safety padlocks, fostering team compliance and accountability. - • **Universal Valve Fit:** Securely locks valves up to 3 inches (76 mm) in diameter, ensuring broad compatibility across your equipment. - • **Accident-Proof Safety:** Patented design fully surrounds the gas valve handle to prevent any accidental or unauthorized valve operation. - • **OSHA-Compliant Protection:** Integral part of a comprehensive lockout/tagout safety program, meeting strict workplace safety standards. ## Overview The Master Lock S3910 is a robust, OSHA-compliant lockout tagout device designed for pressurized gas valves up to 3 inches in diameter. Its patented design fully encases the valve handle to prevent accidental openings and supports multiple personal padlocks, making it ideal for collaborative safety protocols in professional environments. ## Description Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout fits virtually all valves up to 3 in. (76 mm) diameter and works on valves with or without guarding. This patented device surrounds the gas valve handle to protect against accidental valve opening. Accepts any Master Lock or American Lock Safety padlocks and hasps (sold separately) – multiple workers can apply their personal safety locks. ## Features - Best used for pressurized gas valve lockout applications as part of a comprehensive OSHA compliant lockout tagout safety program - Surrounds the gas valve handle to protect against accidental valve opening - Patented lockout device works on valves with or without guarding; Works with any Master Lock or American Lock safety padlock or lockout hasp (sold separately) - Valve lockout fits virtually all valves up to 3 in. (76 mm) in diameter; Multiple workers can apply their personal safety padlocks - Includes one pressurized gas valve lockout tagout device ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0045Y0NJK | | Additional Features | Keyless | | Best Sellers Rank | #146,866 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #345 in Keyed Padlocks | | Brand Name | Master Lock | | Color | Red | | Control Method | Push Button | | Customer Reviews | 4.5 4.5 out of 5 stars (198) | | Finish Types | Painted | | Global Trade Identification Number | 00071649088339 | | Included Components | warning labels | | Item Dimensions | 46 x 130 x 79 millimeters | | Item Weight | 0.09 Kilograms | | Lock Type | Key Lock | | Manufacturer | Master Lock | | Manufacturer Part Number | S3910 | | Material Type | Plastic | | Model Name | S3910 | | Model Number | S3910 | | Number of Pieces | 1 | | Recommended Uses For Product | Indoor | | Shape | Rectangular | | Smart Home Compatibility | Not Smart Home Compatible | | Style Name | Modern | | UPC | 071649088339 | | Unit Count | 1 Count | ## Product Details - **Brand:** Master Lock - **Item dimensions L x W x H:** 46 x 130 x 79 millimeters - **Lock type:** Key Lock - **Material:** Plastic - **Special features:** Keyless ## Images ![Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm - Image 1](https://m.media-amazon.com/images/I/61prtFI8cTL.jpg) ![Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm - Image 2](https://m.media-amazon.com/images/I/61P8XkP3iSL.jpg) ![Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm - Image 3](https://m.media-amazon.com/images/I/71um0eGmxQL.jpg) ![Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm - Image 4](https://m.media-amazon.com/images/I/714LbH+yPgL.jpg) ![Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout, Red, 11.2 cm x 9.4 cm x 3.0 cm - Image 5](https://m.media-amazon.com/images/I/61ax8WYiMYL.jpg) ## Frequently Bought Together - Master Lock S3910 Lockout Tagout Pressurized Gas Valve Lockout,Red - Master Lock Red Lockout Tagout Safety Padlock with Key, Metal Shackle and Non-Conductive Lock Body for Electrical Applications, 410RED - Master Lock 487 Lockout Tagout Rotating Electrical Plug Lockout, 110 & 220 Volt Plugs,Red --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/390975791-master-lock-s3910-lockout-tagout-pressurized-gas-valve-lockout-red](https://www.desertcart.co.za/products/390975791-master-lock-s3910-lockout-tagout-pressurized-gas-valve-lockout-red) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-12*