High-Performance GRP Pipes for Storm Water Management Solutions

Product Description

FRP pipe is a new kind of pipe material used for fluid transportation in recent years. Because of its excellent properties, it has been used extensively on the market. The reciprocal filament winding process has the advantages of high strength, reasonable jointing type, convenient installation, speedy test of the leakage test to the joint, it mainly be used for buried pipeline and long-distance transfer pipeline.The length-fixed winding process is controlled by computer. Manufacture the liner on the mandrel as the same process of fiber glass winding pipe, then after the resin became hardened, make the structure layer by winding according to the designed linearity and thickness, and add the mixture of mortar and resin into the structure layer, finally, wind the outer protection layer.The pipe is consisted of inner liner, interface, structural layer, and outer surface layer.Inner liner corrosive resistance layer, Surfaces exposed to the chemical environment shall be resin-rich and reinforced with a 10 or 20 mil thick chemical surfacing mat (E- glass).Interface layer is leakage proof layer, it be reinforced by minimum of three layers of 1.5 oz chopped strand mat.Structural layer will be reinforced by continuous strand fiberglass roving and shall maintain a resin content of 20-40%. It is reinforcement for the inner lining layer and interface, resisting the foreign load to the pipe body and ensures the strength and stiffness of the pipe body.The exterior surface shall consist of a chopped strand glass over which a resin-rich coating shall be applied.1. Appearance The inner surface of the FRP pipe should be smooth and even, no crack, delamination, pinhole, impurity, poor gel area and air bubble, the ends of the pipe should be even and uniform, no burr and exposed fiber. 2. Dimensiona. The tolerance for ovality of FRP pipe: when DN≤150 mm,adopt 2.0mm;when DN>150,adopt the bigger, 3.5mm or 1% of diameter of FRP pipe.b. The tolerance for the length of the pipe is ±3.5mm.c. For FRP pipe without flanges, the deviation of perpendicularity between the pipe end and the center line of the pipe: when DN≤600 mm,it is ±3.5mm;when DN>600 mm,it is ±5.0 mm.d. Tolerance for angle of pipe end:when DN≤600 mm, it is 1°,when DN≥700mm,it is 1/2°3. Mechanical propertiesMechanical properties of FRP product made with contact mould

Thickness (mm)	Tensile strength MPa	Bend strength MPa	Elastic modulus in bending MPa
6.6~10	≥93.2	≥137.3	≥0.62
>10	≥107.9	≥147	≥0.69

Mechanical properties of FRP product made with filament winding

Hoop tensile strength,MPa	≥294
Hoop elastic modulus,MPa	≥24517
Aixal tensile strength,MPa	≥147
Axial elastic modulus,MPa	≥122500
Compressive strength, MPa	≥235

4. According to the stipulation of GB2576, the content of resin is not less than 85%.
5. The barcol hardness shall be tested according to the stipulation of GB3854,the tested value is not less than 40.
Product Parameters

Index	DN250	DN300	DN600
pressure MPa	1	1	1
Minimum value of initial hoop tensile strength kN/m	788	900	1890
Minimum value of initial axial tensile strength kN/m	125	140	220
stiffness of outer-load of parallel plates N/m2	5000	5000	5000
Flexural strength	A:12%	A:12%	A:12%
	B:20%	B:20%	B:20%

Hengshui Jiubo Composites Co., Ltd. is professional manufacturer of FRP Pipe, FRP storage tank, FRP molded products, FRP pultruded products and FRP production machines, through the continuous development and introduction of professionality and technology, the company rely on advanced technology, exquisite craftsmanship, reliable quality and perfect service, passed ISO9001, ISO14001, OHSAS18001 management system certification, now we have 600 staff, annual sales of glass fiber reinforced plastic series products achieved 20,000 tons, products have been sold to all over the world, USA, Brazil, Japan, Germany, India, Malaysia, Iran, Egypt etc, and won the support and trust from new & old customers.

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