Home » Products » Seismic Attachments » Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

This bar joist adapter is a specialized structural connecting fitting for seismic sway bracing systems, widely applied to HVAC and fire sprinkler pipeline projects. Manufactured from high‑strength carbon steel with electro‑galvanized surface treatment, it delivers excellent anti‑corrosion performance and stable load‑bearing capacity for long‑term building service.
Designed for installation on bar joist flanges, the adapter realizes quick mounting without on‑site drilling or welding, greatly improving construction efficiency. Equipped with break‑off set‑screw structure, it provides visual confirmation of proper tightening torque to guarantee standardized site installation quality. As a key component of seismic bracing assembly, it connects pipe hangers and bracing members, effectively restraining lateral and longitudinal displacement of pipelines under seismic conditions, protecting HVAC duct and sprinkler piping system from earthquake‑caused damage.
Complying with NFPA 13 related industry standards, this adapter features reliable concentric connection structure to optimize force transmission during seismic events. It matches standard seismic bracing accessories, fits diverse building steel‑structure conditions, and is suitable for commercial buildings, industrial plants and other MEP mechanical‑electrical‑plumbing seismic support projects. Custom options for material and load‑rating requirements are available to satisfy different engineering specifications.
  • UTT10 & UTT11

  • UTTERLY TY

Applicable Pipe:
Anti-rust Grade:
Installation Way:
Availability:
Quantity:
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Function
The UTT10 and UTT11 are designed for bracing pipe against sway and seismic disturbance. As the pipe attachment component of a sway brace system, each is used in conjunction with a UTT Manufacturing structural attachment fitting, and joined together with a bracing pipe element to form a complete sway brace assembly.
Sway brace assemblies are intended to be installed in accordance with NFPA 13 and the manufacturer's installation instructions.


Key Features
UL Listed and FM Approved for fire protection seismic bracing
One size fits braced pipe up to 8" — reduces inventory and simplifies selection
1/2" bolt hole for structure connection
Electro-galvanized finish for corrosion resistance
Shear bolt design — bolt heads break off automatically at correct torque, ensuring reliable installation
UTT10: carbon steel construction, connects directly to the building structure with SCH40 1-inch pipe
UTT11: ductile iron QT450 construction, mounts on H steel up to 16 mm thick with UTT10 connecting accessories


Applicable Pipe Standards
Sprinkler pipe: Sch 10, Sch 40, GB/T 3091, JIS G3454

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler
Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

Specification

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

UL Maximum Design Load

Brace Member

lbs.

KN

Wt.Each

lb.

kg

1''SCH40 pipe

1885

(8.38)

1.54

(0.70)

FM Maximum Design Load

Brace Member

Horizontal load ratings installation angle 30°-44°

Horizontal load ratings installation angle 45°-59°

Wt.Each

Ibs.

kN

Ibs.

kN

lb.

kg

1''SCH40 pipe

1490

(6.62)

1980

(8.80)

1.54

(0.70)

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

UL Maximum Design Load

Brace Member

lbs.

KN

Wt.Each

lb.

kg

1''SCH40 pipe

1890

(4.84)

1.94

(0.88)

FM Maximum Design Load

Brace Member

Horizontal load ratings installation angle30°-44°

Horizontal load ratings installation angle45°-59°

Wt.Each

Ibs.

kN

Ibs.

kN

lb.

kg

1''SCH40 pipe

970

(4.31)

1660

(7.38)

1.94

(0.88)

Certifications

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

Installation

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

The connection mode of base part connected with the building.The connection  belween the base pat and the building is copleled.The accessonies couIected with the base part is sch40 1-inch pipe.The pipe must be clamped to the bottom of the base part,then fixed with the shear bolt.Tighten the shear bolt until heads break off.Tighten the shear bolt until heads break off.

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

The installation procedure of UTT11 accessories as shown ni the figure, the connecting accessories use the UTT10, the installation torque of bolt is 50~65N · M.

Tighten the shear bolt until heads break off after gripping the H steel.

The maximum thickness of H steel is 16mm.

Production Process

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

Packaging & Shipping

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler

Inner Packing: Each pipe clamp packed in a plastic bag, then placed in an export-standard carton box.
Outer Packing: Secured on fumigation-free plywood pallets with strapping bands, suitable for safe long-distance transportation.
Shipping Methods: Sea freight, air freight, and international express are available.
Shipping Port: Qingdao Port, Shandong, China.
Lead Time: 7–15 days for regular models, subject to order quantity.

Why Choose Us

Seismic Sway Brace Pipe Hanger Attachment Bar Joist Adapter for HVAC Sprinkler
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