... , pipe. Specificationsball valve 1, Size: inch 1/4 to 4 2, Surface: nickel, brass, chrome 3, Handle: long steel hanlde 4 ... Seal: PTFE2, Size 1/4,1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3”, 4”3, Surface Brass ... to DIN259 and BS2779) or NPT8, Certificate CE, 9, Guaranty 2 Years guaranty.