b'MULTI-WAY BALL VALVES - APPENDIXA P P E N D I X DBV-2057/BV-L50/BV-L53 SERIESBV2057 (standard mount) BV-L50 ~ L54 (direct mount)17 16 15 5 12 MATERIALS LISTNo. Parts Material1 Body ASTM A351-CF8M2 Cap-A ASTM A351-CF8M14 3 Ball ASTM A351-CF8MH1 18 4 Seat PTFE12 5 Stem AISI 31611 6 Seal-A PTFE9 10 7 Thrust Washer PTFEH 8 7A Thrust Bush PEEK or 50% SS 50% PTFE7 8 O-Ring VITON9 Packing PTFE10 Gland AISI 30411 Belleville Washer AISI 30412 Stem Nut AISI 304d 13 Locking Washer AISI 30414 Handle Washer AISI 30415 Locking Device AISI 30416 Handle AISI 30417 Handle Sleeve PVC18 Cap-B ASTM A351-CF8M3 1 4 6 2 19 Seal-B PTFEL 20 Stop Pin AISI 304E PCD S1PCD STYPE PORT 1 2 3 420L 1 2 1 2 1 2 1 23 3 3 3L11 2 1 2 1 2 1 2T3 3 3 3Rb 19Ra 18WExample only, refer to as-built drawing for exploded bill of material & torques.Flowturn - Installation, Operation and Maintenance Manual 25'