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Calculation sheet for COMBIWRAP REPAIR

Calculation sheet for COMBIWRAP REPAIR

Enter pipe and composite parameters. All formulas follow Demech Chemical's Combiwrap calculation reference sheet.

Generated on · Demech Chemical Combiwrap Repair Calculator

Pipe & Material Inputs

psi
psi
in
in
fraction (0–1)
psi
in

Operating & Geometry

bar
bar
°C
°C
in
mm

Calculated Output

Remaining Wall Thickness (ts)—in
Yield Pressure (SMYS)—psi
Max Allowable Operating Pressure (MAOP)—psi
Failure Pressure (Pf)—psi
Repair Thickness (Tr)—in
Number of Composite Wraps (Nwrap)—wraps

Axial Length of Repair (Circular Through-Hole Defect)

Lover—in
Lover—mm
Ldefect—mm
Total Axial Length of Repair—mm

Product Quantities

ItemQuantityUOM
Repair Area—m²
Demoxy PS040—L
Tuffmetal Superior XP Metal—kg
Brushable Ceramic—kg
Demothane—L

Reference: Demech Chemical Combiwrap Repair Composite calculation sheet. Validate against site engineering drawings before application.

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