产品名称:DTA48Y弹簧全启式法兰蒸汽安全阀
DTA48Y弹簧全启式法兰蒸汽安全阀使用工况:
DTA48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上,作为超压保护装置。
DTA48Y弹簧全启式法兰蒸汽安全阀产品特点:
1、全启式结构,排量大
2、阀瓣处设有反冲盘部件
3、带提升扳手可定期检验阀门开启的灵活性
4、整定压力偏差小,可达±3%
5、启闭压差≤15%
6、选用优质的弹簧钢,保证弹簧的寿命和稳定性
7、平面结构的阀瓣和阀座易于维修和重新加工
8、阀盖敞开式设计可用于温度较高的介质
DTA48Y弹簧全启式法兰蒸汽安全阀产品结构图:
DTA48Y弹簧全启式法兰蒸汽安全阀主要零部件材料:
NO. |
Name of part |
DTA48Y-C DTA44Y-C 材料Materials |
DTA44Y-P 材料 Materials |
DTA44Y-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 sblite |
DTA48Y弹簧全启式法兰蒸汽安全阀外形尺寸:
Type |
(DN) |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z- d |
DN' |
D1 |
k1 |
g3 |
g2 |
b1 |
f' |
f1' |
Z1- d1 |
L |
L1 |
H |
DTA48Y-16C DTA44Y-16C DTA44Y-16P DTA44Y-16R |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
25 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
110 |
95 |
411 |
25 |
16 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
32 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
110 |
95 |
411 |
|
32 |
20 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
40 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
115 |
100 |
411 |
|
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
50 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
120 |
110 |
472 |
|
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
65 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
135 |
120 |
532 |
|
65 |
40 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
80 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
160 |
140 |
556 |
|
80 |
50 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
100 |
220 |
180 |
|
155 |
22 |
3 |
|
8-18 |
170 |
135 |
561 |
|
100 |
65 |
220 |
180 |
|
155 |
20 |
3 |
|
8-18 |
125 |
250 |
210 |
|
185 |
22 |
3 |
|
8-18 |
195 |
175 |
667 |
|
125 |
80 |
250 |
210 |
|
185 |
22 |
3 |
|
8-18 |
150 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
210 |
190 |
857 |
|
150 |
100 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
175 |
310 |
270 |
|
240 |
26 |
3 |
|
8-23 |
255 |
230 |
915 |
|
200 |
125 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
250 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
300 |
260 |
1,073 |
|
250 |
150 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
300 |
460 |
410 |
|
375 |
30 |
4 |
|
12-26 |
350 |
320 |
1,307 |
|
300 |
220 |
460 |
410 |
|
375 |
30 |
4 |
|
12-26 |
400 |
580 |
525 |
|
485 |
36 |
4 |
|
16-30 |
370 |
350 |
1,233 |
|
350 |
250 |
520 |
470 |
|
435 |
34 |
4 |
|
16-26 |
500 |
715 |
650 |
|
608 |
44 |
4 |
|
20-34 |
500 |
450 |
1,711 |
|
400 |
280 |
580 |
525 |
|
485 |
36 |
4 |
|
16-30 |
500 |
715 |
650 |
|
608 |
44 |
4 |
|
20-34 |
500 |
450 |
1,780 |