High Pressure FRP/GRP Pipes

We offer various specifications of High Pressure Glass fibre reinforced thermosetting resin pipes manufactured by micro-controlled filament winding of epoxy resin and high-strength glass fibre roving.

Production Range

  • Diameter: DN40-DN600;
  • Pressure rating: 3.45MPa – 34.5MPa

Product standard

  • API SPEC 15HR-2001 Specification for high pressure fibreglass line pipe
  • SY/T 6267-2006 Specification for high pressure fibreglass line pipe

Product Characteristics

  • Excellent mechanical and physical properties, light weight and high-strength
  • Good corrosion resistance and long service life
  • No build-up of scale and wax and no secondary contamination
  • Very smooth inner wall and good flowability of media
  • Good temperature resistance and can fully meet the requirement of oil production and injection processes
  • Favourable compressive properties; the normal working pressures are 3.45MPa to 34.5MPa
  • Easy installation and low comprehensive costs

Range of Application

  • Wastewater transmission or wastewater treatment pipeline
  • High-pressure delivery line for petroleum, natural gas, saline water, CO2 and H2S
  • Connecting pipes for storage tanks and fire hoses.

PRODUCT PARAMETERS

  1. ACID ANHYDRIDE EPOXY GRE PIPE (design as per API-15HR)

Physical properties

Density: 121.74 lbs/ft3
Density: 1.95 g/cm3
Specific gravity: 2.0

Flow coefficient

Hazen-Williams factor: C=150
Absolute roughness: 0.00021” (0.0053mm)

 Thermodynamic properties

Heat conductivity coefficient: 0.23BTU/ft/hr/˚F (0.40W/m˚C)
Coefficient of linear expansion: 6.1×10-5in/in/˚F 14×10-6mm/mm˚C)

Elastic coefficient

Hoop elastic modulus: 3.5×106psi (24.1GPa)
Axial elastic modulus: 1.7×106psi (11.9GPa)
Poisson ratio (minimum): 0.38

PRODUCT PARAMETERS

 

  1. AMINE EPOXY GRP/FRP PIPE (design as per API-15HR)

Physical properties

Density: 112 lbs/ft3 Density: 1.8 g/cm3
Specific gravity: 1.8
Flow coefficient Hazen-Williams factor: C=150
Absolute roughness: 0.00021” (0.0053mm)

Thermodynamic properties

Heat conductivity coefficient: 0.23BTU/ft/hr/˚F (0.40W/m˚C)
Coefficient of linear expansion: 8.8×10-6in/in/˚F (15.8×10-6mm/mm˚C)

Elastic coefficient

Hoop elastic modulus: 3.2×106psi( 22.8GPa)
Axial elastic modulus: 1.82×106psi (12.6GPa)
Poisson ratio (minimum): 0.38