Vapor Control
Marshhawk Seal Material Memo
Comparing the 3 common seal materials.
PE Fittings & Pipeline
TB-0207-TF
ID-Controlled Polyethylene to Steel Transition Fittings: Material and Design Specifications.
TB-0807-TF
Pressure Rating Polyethylene Fittings Using CSA Z662-07, PPI TR-4 and TR-9, and EUB Directive 022.
TB-0308-FF
Comparing 3-Piece Y-Lateral Fittings: Fully Pressure Rated Non ID-Controlled and Fully Pressure Rated ID Controlled Fittings.
TB-0408-FP
Fabricated Fitting Butt Fusion Procedure.
Transition Fitting Letter of Compliance
A brief overview of the codes, standards and design criteria of our ID-Controlled Transition Fitting.
Tracer Wire Tensile Testing
Report on Tracer Wire Tensile Testing.
Production Equipment
TB-0607-CFP
Hawkeye Industries’ Critical Flow Prover.
TB-0610-TD
Performance of Hawkeye Industries Inc.'s Tubing Drains
Shear Coupling Thread Cutting vs Rolling Memo
An examination of the differences between cutting threads and rolling threads in the context of Hawkeye's shear couplings.
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