Corrosion-resistant Light weight Long standard lengths Extremely smooth bore Precision sealability Corrosion-resistant1.Long, effective service-life materials2.No need for linings, coatings, cathodic protection, wraps or other forms of corrosion protection3.Low maintenance costs4.Yedraulic characteristics essentially constant over timeLight weight(1/4 weight of ductile iron;1/10 weight of ...