According to HG20539-92 standard production, specification De20-De800mm, nominal pressure 0.4-1.0MPa, glass fiber reinforced polypropylene FRPP pipe is suitable for municipal water supply and drainage, agriculture, corrosive liquid transportation (such as chemical and pharmaceutical industry) and installation of complex process pipeline . FRPP pipe is made of glass fiber modified polypropylene material treated with coupling agent, with high hardness, good rigidity, high modulus of elasticity and high temperature resistance. The transportation of general purpose water and corrosive liquids is used in petroleum, chemical, electric power, textile, metallurgy, pharmaceutical, paper, food, mining, garbage treatment, construction and other industries.

First, FRPP pipe features

1, long service life. FRPP glass fiber polypropylene pipe can be safely used for more than 50 years under rated temperature and pressure conditions.

2, excellent corrosion resistance. FRPP tubing is resistant to most chemicals and can withstand high concentrations of acids and bases with a pH range of 1-14 over a wide range.

3. Excellent anti-wear performance. When transporting ore mud, the wear resistance of FRPP pipe is more than 4 times that of steel pipe.

4. Higher stiffness. Due to the addition of glass fiber reinforced materials, FRPP pipes are not easily deformed.

5, heat insulation and energy saving. The maximum temperature of FRPP pipe is about 95 degrees. The thermal conductivity of this product is only 1/200 of that of steel pipe, so it has better insulation performance.

6, reliable connection performance. The strength of the FRPP pipe hot melt interface is higher than that of the pipe body, and the joint will not be broken due to soil movement or load.

7, good construction performance. The FRPP pipe is light in material, simple in welding process, convenient in construction, and low in overall construction cost.

Second, FRPP pipe performance

Indicator name unit indicator value

Heat distortion temperature 0C≥135

Density g/cm30.92-1.00

Flat test pressed to the outer diameter of the pipe 1/2 without crack

20 0C hydraulic test (instantaneous blasting hoop stress) MPa ≥ 26

Tensile strength MPa35

Elongation at break %≥90

Cantilever beam impact strength KJ/m2≥14

Bending strength MPa ≥ 45

Drop hammer impact energy Kg.m8

Linear expansion coefficient 10-5m/m. 0C9～11

Third, the advantages of FRPP pipe

1. FRPP pipeline can be safely used for more than 50 years under rated temperature and pressure conditions.

2, can withstand the corrosion of most chemicals, can withstand a high range of acid and alkali corrosion with a pH range of 1-14.

3. When transporting ore mud, the wear resistance of FRPP pipe is more than 4 times that of steel pipe.

4. The FRPP pipe is not easily deformed due to the addition of glass fiber reinforced materials.

5, FRPP pipe maximum use temperature of about 95 degrees, the thermal conductivity of the product is only 1 / 200 of the steel pipe, so it has better insulation performance.

6. The strength of the FRPP tube hot melt interface is higher than that of the pipe body, and the joint will not be broken due to soil movement or load.

7. The pipeline is light in weight, the welding process is simple, the construction is convenient, and the comprehensive construction cost is low.

Fourth, FRPP pipe specifications

Nominal outside diameter nominal deviation 0.4 MPa0.6 MPa0.8 MPa1 MPa

S+ deviation S+ deviation S+ deviation S+ deviation

25+0.3——2.0+0.42.1+0.4

32+0.3——2.2+0.42.7+0.5

40+0.4——2.8+0.53.4+0.5

50+0.52.0+0.42.6+0.53.4+0.64.2+0.6

63+0.52.3+0.53.3+0.64.3+0.75.2+0.7

75+0.72.7+0.53.9+0.65.1+0.86.2+0.9

90+0.93.2+0.64.7+0.76.1+0.97.5+1.0

110+1.03.9+0.65.7+0.87.5+1.09.1+1.2

125+1.24.4+0.76.5+0.98.5+1.110.4+1.3

140+1.35.0+0.77.2+1.09.5+1.211.6+1.4

160+1.55.7+0.88.3+1.110.8+1.313.3+1.6

180+1.76.4+0.99.3+1.212.2+1.414.9+1.7

200+1.87.1+1.0, , 10.3+1.313.6+1.616.6+1.9

225+2.17.9+1.011.6+1.415.2+1.718.7+2.1

250+2.38.8+1.112.9+1.517.0+1.920.7+2.3

280+2.69.9+1.214.4+1.718.9+2.123.2+2.6

315+2.911.1+1.316.2+1.921.2+2.426.1+2.9

355+3.212.5+1.518.3+2.123.9+2.729.4+3.2

400+3.614.1+1.720.6+2.326.9+3.033.2+3.6

450+4.115.8+2.623.2+3.730.5+4.8—

500+4.517.6+2.925.7+4.133.9+5.3—

560+5.021.6+3.031.7+4.3——

630+5.024.3+3.235.7+4.5——

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