UTT11
UTTERLY
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UTT11 Structure Attachment is professional seismic structural fitting for fire sprinkler and MEP pipeline anti-sway & seismic restraint. It matches Sch10, Sch40, GB/T3091, JIS G3454 standard pipes, combines with brace pipe and pipe clamps to form complete NFPA13 approved seismic bracing assembly, widely used in commercial, industrial and critical construction projects.
Core Function: Connect structural steel and brace pipe for pipeline lateral seismic restraint
Compatible Pipe: Fits supported pipe up to 8”, suits Sch10, Sch40, GB/T3091, JIS G3454 steel pipe
Mount Hole: 1/2” or M12 bolt hole for structural fixing
Raw Material: QT450 ductile iron
Surface Finish: Electro-galvanized for anti-corrosion
Certifications: UL, FM, CE listed, conform to NFPA13, IBC & ASCE7
Load Performance: Third-party lab tested fixed rated working load
Item | Specification |
|---|---|
Model | UTT11 |
Raw Material | QT450 ductile iron |
Surface Treatment | Electro-galvanized zinc coating |
Applicable Supported Pipe | Max 8”, Sch10/Sch40/GB/T3091/JIS G3454 |
Mount Bolt Hole | 1/2” or M12 |
UL Rated Load(1” Sch40 brace pipe) | 1890 lbs (8.38 kN) |
FM Load 30°–40° | 970 lbs (4.31 kN) |
FM Load 45°–59° | 1660 lbs (7.38 kN) |
Unit Weight | 1.94 lbs (0.88 kg) per piece |
Compliance | UL/FM/CE certified, NFPA13, IBC, ASCE7 |
Sample Supply | Free test samples available before bulk purchase |
Fire Protection Sprinkler Systems
Used for seismic bracing of fire sprinkler piping to satisfy NFPA13 code requirement, prevent pipeline offset under seismic shaking.
MEP & HVAC Engineering
Restrain domestic water, drainage and HVAC pipeline lateral displacement for high-rise, shopping mall and residential buildings.
Critical Industrial Facilities
Specified for hospital, data center and chemical factory projects with high seismic design category D/E.
Fasten UTT11 base firmly onto building structural steel with matched bolt.
Insert 1” Sch40 standard brace pipe into the bottom slot of UTT11 fitting.
Lock brace pipe by specified shear bolt and tighten until bolt head breaks off.
Connect the other end of brace pipe with UTT20 pipe clamp fixed on pipeline.
Double-check all connection tightness before pipeline pressure test.
Note: Perfectly matched with full UTTERLY series pipe clamps, hinges and strut accessories for complete seismic bracing system.
UL2039, FM1621, CE full certification approved
Fully comply with NFPA13, IBC and ASCE7 North American seismic standards
Electro-galvanized coating meets ASTM B633 anti-corrosion specification
Every production batch passes factory load inspection and dimensional test
UL/FM/CE three certifications fully meet US & Canada fire and seismic acceptance codes.
Excellent tensile & shock resistance, not easy to crack under strong seismic impact compared with ordinary carbon steel.
All load values verified by independent third-party testing institute for different installation angles.
Electro-galvanized finish effectively isolate moisture erosion for long indoor service lifespan.
Single specification fits all common pipe up to 8” with multiple international standard steel pipe.
Seamlessly matched with UTT20, UTT12D and other UTTERLY fittings for one-stop pipeline supporting solution.
Q1: What is UTT11 used for?
A1: It is certified seismic structural connector to fix brace pipe onto building steel for fire & MEP pipe anti-seismic sway restraint.
Q2: What pipe size can UTT11 support?
A2: Suitable for supported pipeline up to 8 inch, compatible with Sch10/Sch40 international standard steel pipe.
Q3: Is UTT11 code compliant for USA market?
A3: Yes, UL/FM certified and fully follow NFPA13, IBC and ASCE7 seismic requirements.
Q4: What’s UTT11 raw material?
A4: QT450 ductile iron with electro-galvanized surface finish.
Q5: Can buyers get free samples?
A5: Free quality inspection samples are available before bulk order arrangement.
