Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MASTER LOCK Gas Cylinder Lockout, For 1 5/8 in Max Valve Stem Dia, S3910 - Gas Cylinder Lockouts
MASTER LOCKGas Cylinder Lockouts

MASTER LOCK Gas Cylinder Lockout, For 1 5/8 in Max Valve Stem Dia, S3910

The MASTER LOCK Gas Valve Lockout (MPN S3910) is a gas cylinder lockout device designed for a 3 in valve wheel diameter and a maximum valve stem diameter of 1 5/8 in. This lockout secures gas valves during…

SKU 3G-OTH-556260

Also listed as: S 3910 · S-3910

Brand
MASTER LOCK
Item
Gas Cylinder Lockout, For 1 5/8 in Max Valve Stem Dia, S3910
Part Number
S3910
Category
Gas Cylinder Lockouts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MASTER LOCK
Manufacturer Part Number
S3910
Type
For 1 5/8 in Max Valve Stem Dia

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MASTER LOCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTER LOCK Gas Valve Lockout (MPN S3910) is a gas cylinder lockout device designed for a 3 in valve wheel diameter and a maximum valve stem diameter of 1 5/8 in. This lockout secures gas valves during maintenance, ensuring compliance with safety procedures.

Frequently Asked Questions

What is the MASTER LOCK S3910 gas valve lockout used for?

The MASTER LOCK S3910 gas valve lockout secures gas valves during maintenance or repair. It fits a 3 in valve wheel diameter and a maximum 1 5/8 in valve stem diameter, helping enforce lockout/tagout safety procedures to prevent accidental valve operation.

What are the specifications of the MASTER LOCK S3910?

The MASTER LOCK S3910 gas valve lockout is designed for a 3 in valve wheel diameter and a maximum valve stem diameter of 1 5/8 in. The manufacturer part number is S3910. It is a gas cylinder lockout device used to secure valves during maintenance.

Where to buy the MASTER LOCK S3910 gas valve lockout worldwide?

3G Electric supplies the MASTER LOCK S3910 gas valve lockout to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery for international orders. Contact us for availability and lead time.

How to install the MASTER LOCK S3910 gas valve lockout?

To install the MASTER LOCK S3910, place the lockout device over the valve wheel with the stem slot aligned to the 1 5/8 in maximum stem diameter. Close the device and secure it with a padlock (not included). Verify the valve cannot be turned before starting maintenance.

Used in

Common applications for MASTER LOCK
Industrial lockout/tagout — Master Lock 1483BP410ES lockout station with padlocks and safety tags for hazardous energy control.
Commercial office buildings — Master Lock office lever locksets in satin brass or nickel for interior doors in administrative areas.
School and gym lockers — Master Lock 1670 built-in combination locker locks for right-hand mounting on metal lockers.
Equipment and gate security — Master Lock 8154DPF cable lock with 6 ft steel cable for securing equipment and gates.
Toolbox and storage security — Master Lock 176 combination padlock with brass body and steel shackle for lockers and toolboxes.
ADA-compliant locker applications — Master Lock 1676MKADA locker lock for accessible facilities requiring ADA compliance.
Not sure this is the right part? Photo-identify it→

MASTER LOCK Products

3G Electric supplies MASTER LOCK gas cylinder lockouts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MASTER LOCK

View all MASTER LOCK parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first