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

BRADY Pipe Marker: Vent, Yellow, Yellow, Fits 1 1/2 to 2 in Pipe O.D., 25 Pipe Markers - Vent Adhesive Pipe Markers on a Roll
BRADYVent Adhesive Pipe Markers on a Roll

BRADY Pipe Marker: Vent, Yellow, Yellow, Fits 1 1/2 to 2 in Pipe O.D., 25 Pipe Markers

The Brady Vent Adhesive Pipe Markers on a Roll (MPN 20478) are yellow pipe markers with yellow legend text, designed to fit pipe outer diameters of 1-1/2 to 2 inches. Each roll contains 25 markers, each featuring the…

SKU 3G-OTH-698474

Brand
BRADY
Item
Pipe Marker: Vent, Yellow, Yellow, Fits 1 1/2 to 2 in Pipe O.D., 25 Pipe Markers
Category
Vent Adhesive Pipe Markers on a Roll
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
20478
Type
Yellow, Yellow, Fits 1 1/2 to 2 in Pipe O.D., With Arrows
Pipe Markers
25
Fits Pipe O.D.
1-1/2 to 2 in
Background Color
Yellow
Legend Text Color
Yellow
Pipe Marker Legend
Vent
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 Vent Adhesive Pipe Markers on a Roll (MPN 20478) are yellow pipe markers with yellow legend text, designed to fit pipe outer diameters of 1-1/2 to 2 inches. Each roll contains 25 markers, each featuring the legend 'Vent' with arrows to indicate flow direction.

Frequently Asked Questions

What is a Brady Vent pipe marker used for?

A Brady Vent pipe marker (MPN 20478) is used to label vent pipes in industrial facilities, clearly identifying the pipe contents and flow direction. It helps maintenance and safety personnel quickly recognize vent lines, supporting compliance with pipe-marking standards in plants, refineries, and commercial buildings.

What are the specifications of the Brady 20478 pipe marker?

The Brady 20478 pipe marker has a yellow background with yellow legend text reading 'Vent' and includes arrows to indicate flow direction. It fits pipe outer diameters of 1-1/2 to 2 inches. Each roll contains 25 adhesive markers. The manufacturer part number is 20478.

Where to buy Brady pipe markers worldwide?

3G Electric supplies Brady pipe markers worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine Brady products like the 20478 Vent marker. Contact us for availability and lead time to your location.

How to install Brady adhesive pipe markers?

Clean the pipe surface thoroughly to remove dirt and grease. Peel the marker from the roll and apply it firmly around the pipe, ensuring the arrow aligns with flow direction. For best adhesion, apply at temperatures above 10 °C and avoid oily or wet surfaces. Replace markers if they become damaged or illegible.

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 vent adhesive pipe markers on a roll. 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: Vent, Green, Green, Fits 1 1/2 to 2 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 20477). Key specifications — Pipe Marker Legend: Vent; Background Color: Green; Legend Text Color: Green; Fits Pipe O.D.: 1-1/2 to 2 in; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Green, Green, Fits 1 1/2 to 2 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 20477). Key specifications — Pipe Marker Legend: Vent; Background Color: Green; Legend Text Color: Green; Fits Pipe O.D.: 1-1/2 to 2 in; With or Without Arrows: With.
Pipe Marker: Vent, Green, Green, Fits 2 1/2 to 6 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 73938). Key specifications — Pipe Marker Legend: Vent; Background Color: Green; Legend Text Color: Green; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Green, Green, Fits 2 1/2 to 6 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 73938). Key specifications — Pipe Marker Legend: Vent; Background Color: Green; Legend Text Color: Green; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.
Pipe Marker: Vent, Blue, White, Fits 2 in and Smaller Pipe O.D., 30 Pipe Markers, With Arrows (MPN 109845). Key specifications — Pipe Marker Legend: Vent; Background Color: Blue; Legend Text Color: White; Fits Pipe O.D.: 2 in and Smaller; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Blue, White, Fits 2 in and Smaller Pipe O.D., 30 Pipe Markers, With Arrows (MPN 109845). Key specifications — Pipe Marker Legend: Vent; Background Color: Blue; Legend Text Color: White; Fits Pipe O.D.: 2 in and Smaller; With or Without Arrows: With.
Pipe Marker: Vent, Yellow, Black, Fits 2 in and Smaller Pipe O.D., 30 Pipe Markers, With Arrows (MPN 41480). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2 in and Smaller; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Yellow, Black, Fits 2 in and Smaller Pipe O.D., 30 Pipe Markers, With Arrows (MPN 41480). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2 in and Smaller; With or Without Arrows: With.
Pipe Marker: Vent, Yellow, Black, Fits 2 1/2 to 6 in Pipe O.D., 30 Pipe Markers, With Arrows (MPN 15597). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Yellow, Black, Fits 2 1/2 to 6 in Pipe O.D., 30 Pipe Markers, With Arrows (MPN 15597). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Black; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.
Pipe Marker: Vent, Yellow, Yellow, Fits 2 1/2 to 6 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 73939). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Yellow; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.
BRADY
Pipe Marker: Vent, Yellow, Yellow, Fits 2 1/2 to 6 in Pipe O.D., 25 Pipe Markers, With Arrows (MPN 73939). Key specifications — Pipe Marker Legend: Vent; Background Color: Yellow; Legend Text Color: Yellow; Fits Pipe O.D.: 2-1/2 to 6 in; With or Without Arrows: With.