FRP sand-filling pipe due to design a sand layer on the wall of the pipe, it compared with the pure glass pipe, not only has light quality, high intensity, and is buried pipe of high stiffness and low cost, so the advent of since they generally welcomed. In the transport of water or other liquids, the application is increasing, according to the relevant information, the United States in the middle of the 90's has been installed 160 thousand kilometers of glass fiber reinforced plastics pipe line, the European countries are newly laid large and medium water, sewage pipes, glass fiber reinforced plastic pipe length of about 35%~50%. In the Japan, the pipe also account s for a considerable share of the market, the length of its installation has exceeded the pipe and concrete pipe. In the middle East, almost all of the large and medium-sized water delivery, sewage, seawater desalination pipeline all for the FRP pinch pipe.

1. Commen pressure level

Pressure rating(MPA)	0.25	0.6	1.0	1.6	2.5
Working rating(MPA)	0.25	0.6	10.	1.6	2.5

2. Common stiffenss levels

stiffness(N/M²)
25000 5000 10000
25000 5000 10000

3. The length of a single one

Length of single FRP Sand-filled pipe is generally 12 meters/root within the arbitrary length.