material is PVC For more than 10 sizes of this kind valve ... /4",1-1/2",2",2-1/2",3",4"Standard: DIN, BS, ANSI, CNS, JISFits schedule 40 and 80 pipe ... ) High temperature resistance (maximum water temperature is up to 90°C and high pressure resistance is over 5MPa)3) Hot welding connection ... /4",1-1/2",2",2-1/2",3",4"Standard: DIN, BS, ANSI, CNS, JISFits schedule 40 and 80 pipe ...