... 316L 3.Series: 1pc, 2pc, 3pc internal thread..1pc Ball Valve With Internal Thread 1-PC STAINLESS STEEL BALL VALVES. REDUCED PORT. 1000 ... & oval handle, 25% glassfibre R-PTFE seats. Name1 pc ball valve with internal threadNo.BV05Material304,316,316LSize1/4"-4"Pressuremedium pressureStandardISO,DIN ...