|
主要零件材料Major parts material form
序号No.
|
零件名称
Accessory name |
材料Material |
| 普通型Ordinary type |
抗硫型Antisulphur type |
| GB |
ASTM |
GB |
ASTM |
| 1 |
排污堵头Blowdown stops
|
25+Zn
|
A105+Zn
|
1Crl8Ni9 |
A276-304
|
| 2 |
注脂接头Grease injiction joint |
25+Zn |
A105+Zn |
25+Zn |
A105+Zn |
| 3 |
阀体Body |
WCB |
A216-WCB |
WCB
|
A216-WCB |
| 4 |
闸板Disc |
16Mn+EPN |
A105+EPN |
1Crl8Ni9
|
A276-304 |
| 5 |
阀座Seat
|
16Mn+PTFE |
A105+PTFE |
1Crl8Ni9+PTFE
|
A276-304+PTFE |
| 6 |
O形圈O-Ring |
NBR |
NBR |
FPM |
FPM |
| 7 |
阀杆Stem
|
2Cr13 |
A276-420 |
1Crl8Ni9 |
A276-304 |
| 8 |
填料座Packing seat |
2Cr13 |
A276-420 |
2Cr13 |
A276-420 |
| 9 |
Y型圈“Y”ring |
NBR |
NBR |
FPM |
FPM |
| 10 |
密封套Sealing shroud
|
2Cr13 |
A276-420 |
2Cr13 |
A276-420 |
| 11 |
指示杆Indicating stem |
1Crl8Ni9 |
A276-304 |
1Crl8Ni9 |
A276-304 |
| 12 |
垫片Gasket |
柔性石墨+1Crl8Ni9
Graphite+1Crl8Ni9 |
柔性石墨+304
Graphite+304 |
柔性石墨+1Crl8Ni9
Graphlte+1Crl8Ni9 |
柔性石墨+304
Graphite+304 |
| 13 |
阀盖Bonnet |
WCB |
A216-WCB |
WCB |
A216-WCB |
| 14 |
螺柱Stud
|
35CrMoA |
A193-B7 |
35CrMoA |
A193-B7 |
| 15 |
螺母Nut
|
45 |
A194-2H |
45 |
A194-2H
|
| 16 |
支架Yoke |
WCB |
A216-WCB |
WCB |
A216-WCB |
| 17 |
阀杆螺母Stem nut
|
ZQAl9-4 |
C95500 |
ZQAl9-4 |
C95500 |
| 18 |
压盖Glandt
|
25 |
A105 |
25 |
A105 |
| 19 |
手轮Hand wheel
|
25 |
A536-60-40-18 |
25 |
A536-60-40-18 |
| 20 |
指示罩Indicating cover |
1Crl8Ni9 |
A276-304 |
251Crl8Ni9 |
A276-304 |
注：阀门主要零部件材质可根据实际工况条件或用户特殊要求设计选用。
Notes The majo r parts of the valves can be designed and selected according to actual work condition or customers’specific requirement | 
