1.PP compression coupling mould 2.Material: PP, PVC, ABS, PP-R 3.Size:1/2" to 4" 4.function: make prompt repairs We are a factory expert in producing valve and pipe fitting moulds.We have made many PP-R, ABS , PP, PVC compression couplings.The following are pp compression couplings.NameDescriptionFounded time2003Specification:1/2''-10''Mould material:50#,P20,H13,718,2738,NAK80,2316,customers ...