Steel plastic pipe, ductile iron pipe, steel pipe difference
Spheroidal graphite tube, now application has been relatively small, generally used for conveying water, gas at room temperature, low pressure, large diameter pipelines need to produce concrete pipe base, good corrosion resistance than steel pipe joints, vulnerable to external extrusion and leakage, the price is relatively cheap.
The utility model has the advantages of wide application range, more connecting modes, suitable for most occasions, good sealing property, proper material selection and anticorrosion treatment, and can greatly increase the corrosion resistance.
The steel plastic pipe, the outer layer is made of steel, the inner cover of organic material, not easy to transport corrosive medium, suitable for delivery of utilities, tap water and toxic corrosive medium, not suitable for high temperature medium, pipe price is high, very difficult to install and manufacturers warranty period is generally 10 years.
