about Client Satisfaction is Our Reputation. 100% Quality Assurance Systems Every individual Hanwei pipe, fitting and flange that is provided to our clients must exceed our stringent and proprietary, quality control, hydro-testing system at a minimum of 1.5x our product’s operating pressure rating. We also carry out catastrophic burst tests with our performance requirement set at a minimum of 3x the pressure rating of our products.
Hanwei Product and Performance Standards. API 15HR-2001: Specification for High Pressure Fiberglass Line Pipe API 15LR-2001: Specification for Low Pressure Fiberglass Line Pipe ASTM D2996: Specification for Filament Wound Fiberglass (Glass Fiber Reinforced Thermosetting Resin) Pipe ASTM D2992: Practice for Obtaining Hydrostatic or Pressure Design Basis for Fiberglass (Glass Fiber Reinforced Thermosetting Resin) Pipe and Fitting ASTM D1599: Test Method for Short-Time Hydraulic Failure Pressure of Plastic Pipe, Tubing, and Fittings ASTM D2105: Test Method for Longitudinal Tensile Properties Fiberglass Pipe and Tube ASTM D695: Test Method for Compressive Properties of Rigid Plastics. ASTM D696: Test Method for Coefficient Installedar Thermal Expansion of Plastics Between -30°C and 30°C. API SPECIFICATION STANDARD 5B: Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads (U. S. Customary Units). ASTM D2143: Test Method for Cyclic Pressure Strength of Reinforced, Thermosetting Plastic Pipe. ASTM D1598: Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure.
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