Q647 pneumatic hard seal ball valve parts material

Q647 pneumatic hard seal ball valve parts material:
number Part Name Material grade Serial number Part Name Material grade
Carbon steel stainless steel Carbon steel stainless steel
GB ASTM GB ASTM GB ASTM GB ASTM
1 Bottom cover 25 A105 1Cr18Ni8Ti F304/F316/
F304L/F316L
17 Nut 45 A194-2H 0Cr18Ni A194-8M
2 Bottom cover screw 25CrMoA A193-B7 1Cr18Ni9Ti A193-B8M 18 Stud 35CrMoA A193-B7 1Cr17Ni2 A193-B8M
3 washer Metal clip graphite 19 Sphere key 40Cr 40Cr 1Cr17Ni2 1Cr17Ni2
4 Thrust bearing Metal clip PTFE 20 Upper stem 2Cr13 A276-410 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
5 Lower stem 2Cr13 A276-410 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
twenty one Stem O-ring fluororubber fluororubber fluororubber fluororubber
6 Lower stem bearing Metal clip PTFE twenty two Stuffing box O-ring fluororubber fluororubber fluororubber fluororubber
7 washer Metal clip PTFE twenty three Upper stem bearing Metal clip PTFE
8 Sewage plug 2Cr13 A276-410 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
twenty four Thrust bearing graphite
9 Valve body WCB A216-WCB ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
CF8/CF8M/
CF3/CF3M
25 Stem stuffing box 25 chrome A105 chrome 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
10 Seat 2Cr13 nitriding A276-410 nitriding 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
26 Stem packing graphite
11 Seat seal graphite 27 Packing gland WCB A216-WCB ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
CF8/CF8M/
CF3/CF3M
12 Seat support ring 25 chrome A105 chrome 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
28 Nut 45 A194-2H 0Cr18Ni A194-8M
13 Seat spring X-750 29 Stud 35CrMoA A193-B7 1Cr17Ni2 A193-B8M
14 Sphere 1Crl8Ni9Ti 304 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
F304/F316/
F304L/F316L
30 Screw 35CrMoA A193-B7 1Cr17Ni2 A193-B8M
15 cap WCB A216-WCB ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
CF8/CF8M/
CF3/CF3M
31 support WCB
16 washer Metal clip graphite 32 key 40Cr 40Cr 1Cr17Ni2 1Cr17Ni2



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'Q647 pneumatic hard seal ball valve parts material