Sleeve Couplers: The Definitive Technical Guide

Sleeve Couplers for Scaffolding Systems

Introduction to Sleeve Couplers

Sleeve Couplers are essential components in scaffolding systems, specifically designed to connect two scaffold tubes end-to-end externally. These couplers provide axial continuity and strength, ensuring load-bearing integrity across scaffold structures. They are widely used in vertical standards, ledgers, and bracing applications.

At Avanza Steel, we manufacture sleeve couplers with precision, adhering to global quality standards to ensure safety and performance in demanding environments like infrastructure, commercial, and industrial projects.

Key Specifications

• Tube Compatibility: Designed for Ø48.3 mm scaffolding tubes

• Material: Drop-forged or pressed steel

• Finish: Electro-galvanized or hot-dip galvanized

• Bolt Size: 1/2 inch BSW thread

• Nut Type: Forged/Cold-pressed with anti-slip lock

• Load Rating: Up to 20 kN

Application & Functional Advantages

Strong Axial Connection

• Ensures structural continuity between two tubes

• Provides uniform axial load distribution

High Durability

• Galvanized finish enhances corrosion resistance

• Forged steel increases impact resilience

Safety & Compliance

• Conforms to EN 74-1 and BS 1139 scaffold standards

• Each batch undergoes torque and shear testing

Types of Sleeve Couplers Offered

1. Standard Sleeve Coupler: Basic inline tube connector

2. Heavy-Duty Sleeve Coupler: For high-load applications

3. Pressed Steel Sleeve Coupler: Lightweight, economical variant

All models are designed for 48.3 mm OD scaffolding pipes, ensuring seamless interchangeability on-site.

Why Avanza Steel?

• Certifications: ISO 9001, EN 74 compliance

• Manufacturing: CNC precision, in-house galvanizing

• Support: Custom branding, bulk orders, technical documentation

We provide third-party testing documentation, load certification, and export-ready packaging for clients across APAC, MENA, and Europe.

Installation Guide

1. Pre-Check: Ensure both tubes are clean and round

2. Slide: Position the coupler at the tube junction

3. Tighten: Use spanner to torque bolts to ~50 Nm

4. Inspect: Verify connection holds under manual stress

Maintenance Tips

• Apply anti-rust spray during long-term storage

• Inspect bolts and nuts for thread integrity regularly

• Store in dry, elevated racks to prevent galvanic corrosion

FAQs

Q1: What size scaffolding tubes do Avanza Sleeve Couplers fit?A1: Our sleeve couplers are designed to fit standard 48.3 mm OD scaffold tubes.

Q2: Are your sleeve couplers compliant with international standards?A2: Yes, they conform to EN 74-1 and BS 1139 specifications.

Q3: Do you offer customization or bulk export?A3: Absolutely. We support bulk orders, OEM customization, and offer export-ready packaging with compliance documents.

Q4: How do Sleeve Couplers differ from Prop Sleeves?A4: Sleeve Couplers connect two scaffold tubes inline, whereas Prop Sleeves are used in adjustable props for height regulation. They are entirely different components.

Request a Quote Today

Secure your scaffold with Avanza’s certified Sleeve Couplers. Email us at sales@avanzasteel.com or call +91 33 4000 7575 for specifications, rates, and supply timelines.