NR DESCRIPTION STANDARD MATERIALS   1 BODY ASTM A216 WCC 2 BONNET ASTM A216 WCC 3 STEM ASTM A564 Tp630 (17-4-PH H1150 x2) 4 BALL ASTM A105N + Stellite Gr.6 5 SEAT ASTM A105N + Stellite Gr.6 6 ROLL PIN  Stellite Gr.6 7 TRUNNION BUSHING ASTM A564 Tp630 (17-4-PH H1150 x2) 8 ADJUSTING BALL ASTM A564 Tp630 (17-4-PH H900) 9 LOCKING PLATE AB ASTM A182 F316 10 BONNET BUSHING ASTM A536 Gr.80 (GGG50) 11 GLAND ASTM A182 F316 12 GLAND FLANGE S355 JOG3 (ST52.3) 18 LOW FRICTION CAP* Inconel 625 19 BODY/POS. BOLT DIN 912 A4/70 20 GASKET Spiralwound F316 windings, Graphite filler 21 STEM PACKING Graphite 22 SEAT SEAL Graphite 23 BODY/POS. BOLT DIN 912 A4/70 30 BODY/BONNET STUD ASTM A193 B7 31 BODY/BONNET NUT ASTM A194 2H 32 GLAND FLANGE NUT ASTM A194 2H 33 GLAND FLANGE STUD ASTM A193 B7