| 系列
Series |
| A48Y-16C A48Y-25 A48Y-40 A48Y-64
A48Y-100 A44Y-16C A44Y-25 A44Y-40 A44Y-64 A44Y-100 A44Y-16P A44Y-25P A44Y-40P
A44Y-64P A44Y-100P A44Y-16R A44Y-25R A44Y-40R A44Y-64R A44Y-100R |
| A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y适用于工作温度≤300℃的空气、石油等介质的设备或管路上，作为超压保护装置。连接法兰标准PN<6.4MPa按JB/T-94系例1。PN≥6.4MPa按JB/T-94系列2标准。 |
| A48Y type are usedfor the equipment and
pipeline of the with steam and air etc
medium what the working temperature
are less than 350 . A44Y type are used for the equi-pment and pipeline of
the with air and petroleum gas medium what the working temperature are less than
300 , Take for extra pre-ssure protection devices. Flange connecting dimensions of comply with Standard
series first of JB/T-94 when the pressure less than 6.4MPa, comply with Standard
series two of JB/T-94 when more than 6.4MPa. |
| 主要零部件材料
Materials for main parts |
| NO. |
Name of part |
A48Y-C A44Y-C 材料
Materials |
A44Y-P 材料 Materials |
A44Y-R 材料 Materials |
| 1 |
阀
体Body |
WCB |
ZG1Cr18Ni9Ti |
CF8M |
| 2 |
阀
座Nozzle |
2Cr13 |
1Cr18Ni9Ti |
316 |
| 3 |
调
节 圈 Adjusting ring |
ZG2Cr13 |
ZG1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
| 4 |
反
冲 盘 Disc holder |
ZG2Cr13 |
ZG1Cr18Ni9Ti |
316 |
| 5 |
阀
瓣Disc |
2Cr13 |
1Cr18Ni9Ti |
316 |
| 6 |
导
向 套Guide sleeve |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
| 7 |
阀
盖Bonnet |
ZG230-450 |
ZG230-450 |
ZG230-450 |
| 8 |
弹
簧
Spring |
50CrVA |
50CrVA包覆氟塑料 Coated Teflon |
50CrVA包覆氟塑料 Coated
Teflon |
| 9 |
阀
杆Stem |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 10 |
扳
手Lever |
ZG200-400 |
ZG200-400 |
ZG200-400 |
| 11 |
调整螺杆Adjusting bolt |
45 |
2Cr13 |
2Cr13 |
| 12 |
保
护 罩Cap |
ZG200-400 |
ZG200-400 |
316 |
| |
密封面材料 Sealing surface of
material |
堆焊Co基硬质合金 Depositing
stellite |
