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UL FM Certified Compact Beam Structural Attachment

UTT BC4 is a compact structural attachment with UL and FM certification, made of carbon steel and QT450 ductile iron, available in black or galvanized finish. It complies with WW-H-171, ANSI/MSS-SP-58 and ANSI/MSS-SP-69 standards, offered in M10 and M12 sizes with a maximum working load of 6.8kN. Designed for installation on the top and bottom of metal beams, purlins, channel steel and angle iron, it requires the setscrew to be tightened and torqued against the sloped side of I-beams.
  • UTT BC4

  • UTTERLY

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Overview

UTT BC4 is a mini-sized structural connection component for pipeline support and seismic bracing systems. It adopts two material options including carbon steel and high-toughness QT450 ductile iron, and is equipped with black raw steel and galvanized anti-rust finishes to adapt to different working environments. The product fully meets Federal Specification WW-H-171 (Type 23), ANSI/MSS-SP-58 (Type 19 & 23) and follows the installation requirements of ANSI/MSS-SP-69.

It has two standard sizes of 3/8"(M10) and 1/2"(M12) with a rated maximum load of 6.8kN. This compact fitting is suitable for connecting pipeline support assemblies on metal beams, purlins, channel steel and angle iron. During on-site installation, users must tighten the setscrew and apply standard torque on the sloped surface of I-beams to ensure stable connection and safe load bearing.

Key Features

Core Function: Connect pipeline supports to the top and bottom of metal beams, purlins, channel steel and angle iron

Raw Material: Carbon Steel / QT450 Ductile Iron

Surface Finish: Black finish / Galvanized finish

Compliance Standard: WW-H-171(Type 23), ANSI/MSS-SP-58(Type 19&23), ANSI/MSS-SP-69

Available Sizes: 3/8"(M10), 1/2"(M12)

Max Recommended Load: 6.8kN

Installation Requirement: Torque the setscrew onto the sloped side of I-beam

Item

Specification

Model

UTT BC4 Series

Raw Material

Carbon Steel / QT450 Ductile Iron

Surface Treatment

Black / Galvanized

Executive Standards

WW-H-171 Type23, MSS SP-58 Type19&23, MSS SP-69

Standard Sizes

3/8"(M10), 1/2"(M12)

Applicable Base

Metal beam, purlin, channel steel, angle iron

Max Recommended Load

6.8KN

Certification

UL & FM Approved

Sample Supply

Free pre-order test samples available

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Application Scenarios

1.Fire Sprinkler System: Structural connection for sprinkler pipe bracing on compact steel beams and purlins of commercial and industrial buildings.

2.Steel Structure Construction: Small-size connecting fitting for MEP pipeline supports on narrow installation spaces of I-beams, channel steel and angle iron.

3.Seismic Bracing Engineering: Standard certified compact connector for seismic sway brace assemblies in space-limited steel frame projects.

Step-by-Step Installation Guide

1.Select M10 or M12 size of UTT BC4 according to on-site installation space and load demands.

2.Place the attachment on the top or bottom position of target metal beam, purlin, channel steel or angle iron.

3.Align the built-in setscrew with the sloped side of the I-beam.

4.Tighten the setscrew and apply specified torque to lock the component firmly.

5.Assemble matched pipe clamps and bracing parts to complete the whole pipeline support system.

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Industry Compliance

1.Strictly complies with US federal standards and international ANSI/MSS specifications for structural attachments and pipe hangers.

2.Black and galvanized surface treatments satisfy general industrial anti-corrosion and surface processing requirements.

3.All finished products pass UL & FM third-party certification, as well as factory dimension inspection and load testing before delivery.

Core Product Advantages

1.Compact Mini Design: Small overall dimension, perfectly suitable for narrow and confined installation spaces where regular connectors cannot be applied.

2.Dual Material Selection: Carbon steel for cost-effective conventional projects, QT450 ductile iron for heavy-load and anti-seismic working conditions.

3.Two Surface Finishes: Black finish for dry indoor environments, galvanized finish for long-term rust prevention in humid areas.

4.Authoritative Dual Certification: UL and FM approvals meet strict acceptance standards for fire protection and international engineering projects.

5.Stable Rated Load: Fixed maximum load of 6.8kN ensures reliable bearing capacity for conventional pipeline support.

6.Wide Compatibility: Matches I-beams, purlins, channel steel and angle iron to meet various steel structure connection needs.

FAQ

Q1: What standards does UTT BC4 comply with?

A1: It conforms to WW-H-171(Type 23), ANSI/MSS-SP-58(Type 19&23) and ANSI/MSS-SP-69, and is certified by UL & FM.

Q2: What material options are available?

A2: High-strength carbon steel and QT450 ductile iron for selection.

Q3: What surface treatments are provided?

A3: Black finish and galvanized anti-rust finish.

Q4: What are the available sizes and maximum load?

A4: Two sizes including M10 and M12, with a maximum recommended load of 6.8kN.

Q5: Where should the setscrew be tightened during installation?

A5: The setscrew must be torqued onto the sloped side of the I-beam.

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