1. Cast iron collar 2. fitting for PVC pipe. 3. Material: gray iron and ductile iron. 4. Surface: black painting. Cast iron collarpipe fitting for PVC pipeMaterial: gray iron and ductile ironSurface: black painting or powder coatingStandard : AISI, ASTM, JIS, BS, DIN, ISOUnit weight : up to 500 kgProcess : iron casting + machining + painting Cast Iron Collar For PVC Pipe