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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