We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

BRADY Pipe Marker: Caustic Soda, Yellow, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D. - Caustic Soda Snap-On Pipe Markers
BRADYCaustic Soda Snap-On Pipe Markers

BRADY Pipe Marker: Caustic Soda, Yellow, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D.

The Brady Caustic Soda Snap-On Pipe Marker (SKU 9F930, MPN 4021-B) is a yellow marker with black legend text, designed to fit pipe outer diameters from 1-1/2 to 2-3/8 inches. It includes directional arrows and is…

SKU 3G-OTH-699771

Brand
BRADY
Item
Pipe Marker: Caustic Soda, Yellow, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D.
Category
Caustic Soda Snap-On Pipe Markers
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BRADY
Manufacturer Part Number
4021-B
Type
Yellow, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D.
Pipe Markers
1
Fits Pipe O.D.
1-1/2 to 2-3/8 in
Background Color
Yellow
Legend Text Color
Black
Pipe Marker Legend
Caustic Soda
With or Without Arrows
With
View Full Spec Sheet

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

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

Product Description

The Brady Caustic Soda Snap-On Pipe Marker (SKU 9F930, MPN 4021-B) is a yellow marker with black legend text, designed to fit pipe outer diameters from 1-1/2 to 2-3/8 inches. It includes directional arrows and is supplied as a single marker. 3G Electric interprets this demand and sources it across 14 industrial departments — with specialist depth in combustion, pumps and controls — to deliver the right answer, not just a catalog.

Frequently Asked Questions

What is a Brady Caustic Soda Snap-On Pipe Marker used for?

This Brady pipe marker identifies pipes carrying caustic soda in industrial facilities. It fits pipe outer diameters from 1-1/2 to 2-3/8 inches, with a yellow background and black legend text for clear hazard communication. 3G Electric sources this marker across 14 industrial departments to support plant safety compliance.

What are the specifications of the Brady 4021-B pipe marker?

The Brady 4021-B pipe marker has a yellow background with black legend text reading 'Caustic Soda' and includes directional arrows. It fits pipe outer diameters from 1-1/2 to 2-3/8 inches and is supplied as a single marker. 3G Electric provides this genuine Brady part for industrial piping identification.

Where to buy Brady pipe markers worldwide?

3G Electric supplies Brady pipe markers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this Caustic Soda Snap-On Pipe Marker (MPN 4021-B) and deliver it to your facility. Contact us for availability and lead time on this Brady part.

How to install a Brady Snap-On Pipe Marker?

Clean the pipe surface thoroughly before applying the snap-on marker. Align the marker around the pipe outer diameter (1-1/2 to 2-3/8 inches) and snap it into place, ensuring the directional arrows point in the flow direction. 3G Electric recommends following Brady's installation guidelines for proper adhesion and visibility.

Used in

Common applications for BRADY
Facility maintenance — Brady bench liners (MS-915WH) for protecting work surfaces in repair shops
Industrial pumping — Brady spring foot valves (SFV-75) for priming centrifugal pumps in irrigation systems
Safety compliance — Brady barricade tape (91102) for cordoning off hazardous areas during maintenance
Asset security — Brady lead and wire seals (23302) for tamper-evident locking on utility meters
Logistics tracking — Brady cable seals (95167) for securing shipping containers with sequential numbering

BRADY Products

3G Electric supplies BRADY caustic soda snap-on pipe markers. 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 BRADY

View all BRADY parts
Pipe Marker: Caustic Soda, Yellow, Black, Fits 3/4 to 1 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4021-A). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 3/4 to 1-3/8 in; With or Without Arrows: With.
BRADY
Pipe Marker: Caustic Soda, Yellow, Black, Fits 3/4 to 1 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4021-A). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 3/4 to 1-3/8 in; With or Without Arrows: With.
Pipe Marker: Caustic Soda, Orange, Black, Fits 3/4 to 1 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-A). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 3/4 to 1-3/8 in; With or Without Arrows: With.
BRADY
Pipe Marker: Caustic Soda, Orange, Black, Fits 3/4 to 1 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-A). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 3/4 to 1-3/8 in; With or Without Arrows: With.
Pipe Marker: Caustic Soda, Yellow, Black, Fits 2 1/2 to 3 7/8 in Pipe O.D., 1 Pipe Markers (MPN 4021-C). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 3-7/8 in; With or Without Arrows: With.
BRADY
Pipe Marker: Caustic Soda, Yellow, Black, Fits 2 1/2 to 3 7/8 in Pipe O.D., 1 Pipe Markers (MPN 4021-C). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 3-7/8 in; With or Without Arrows: With.
Pipe Marker: Caustic Soda, Orange, Black, Fits 2 1/2 to 3 7/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-C). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 3-7/8 in; With or Without Arrows: With.
BRADY
Pipe Marker: Caustic Soda, Orange, Black, Fits 2 1/2 to 3 7/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-C). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 3-7/8 in; With or Without Arrows: With.
Pipe Marker: Caustic Soda, Orange, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-B). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 1-1/2 to 2-3/8 in; With or Without Arrows: With.
BRADY
Pipe Marker: Caustic Soda, Orange, Black, Fits 1 1/2 to 2 3/8 in Pipe O.D., 1 Pipe Markers (MPN 4308-B). Key specifications — Pipe Marker Legend: Caustic Soda; Background Color: Orange; Legend Text Color: Black; Fits Pipe O.D.: 1-1/2 to 2-3/8 in; With or Without Arrows: With.