东莞市世通机电科技有限公司  

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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。

主要零部件材料Materials for main parts

NO.

Name of part

A48Y-CA44Y-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