| 详细介绍：
产品名称：DTA40Y带散热器弹簧全启式安全阀
DTA40Y带散热器弹簧全启式安全阀使用工况：
DTA40-C适用于工作温度≤400℃、DTA40Y-I≤450℃的空气、水、氮氢混合气等介质的设备或管路上，DTA40Y-P适用于工作温度≤300℃有腐蚀性介质的设备或管路上，作为超压保护装置。
DTA40Y带散热器弹簧全启式安全阀产品特点：
1、全启式结构，排量大
2、阀瓣处设有反冲盘部件
3、带散热器，提高使用温度
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
DTA40Y带散热器弹簧全启式安全阀产品结构图：
DTA40Y带散热器弹簧全启式安全阀主要零部件材料：
|
NO.
|
Name of part
|
DTA40Y-C Materials
|
DTA40Y-P Materials
|
DTA40Y-I Materials
|
|
1
|
Body
|
WCB
|
ZG1Cr18Ni9Ti
|
ZG1Cr5Mo
|
|
2
|
Nozzle
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
3
|
Adjusting ring
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
4
|
Disc
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
5
|
Guide sleeve
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
6
|
Radiator
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
7
|
Bonnet
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
8
|
Spring
|
50CrVA
|
50CrVA Coated Teflon
|
50CrVA Coated Teflon
|
|
9
|
Stem
|
2Cr13
|
1Cr18Ni9Ti
|
2Cr13
|
|
10
|
Adjusting bolt
|
45
|
1Cr18Ni9Ti
|
2Cr13
|
|
11
|
Cap
|
ZG200-400
|
ZG200-400
|
ZG200-400
|
DTA40Y带散热器弹簧全启式安全阀
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
|
|
DTA40Y-16C
DTA40Y-16P
DTA40Y-16I
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
25
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
110
|
95
|
518
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
32
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
110
|
95
|
518
|
|
32
|
20
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
40
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
115
|
100
|
518
|
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
50
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
120
|
110
|
579
|
|
50
|
32
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
65
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
135
|
120
|
639
|
|
65
|
40
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
80
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
160
|
140
|
671
|
|
80
|
50
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
170
|
135
|
676
|
|
100
|
65
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
125
|
250
|
210
|
|
185
|
22
|
3
|
|
8-18
|
195
|
175
|
787
|
|
125
|
80
|
250
|
210
|
|
185
|
22
|
3
|
|
8-18
|
150
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
210
|
190
|
977
|
|
150
|
100
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
175
|
310
|
270
|
|
240
|
26
|
3
|
|
8-23
|
255
|
230
|
1,035
|
|
200
|
125
|
340
|
295
|
|
265
|
26
|
3
|
|
12-23
|
250
|
405
|
355
|
|
320
|
30
|
3
|
|
12-26
|
300
|
260
|
1,193
|
|
DTA48Y-25
DTA44Y-25
DTA44Y-25P DTA44Y-25R
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
25
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
110
|
95
|
518
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
32
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
110
|
95
|
518
|
|
32
|
20
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
40
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
115
|
100
|
518
|
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
50
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
120
|
110
|
579
|
|
50
|
32
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
65
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
135
|
120
|
639
|
|
65
|
40
|
185
|
145
|
|
120
|
22
|
3
|
|
8-18
|
80
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
160
|
140
|
671
|
|
80
|
50
|
200
|
160
|
|
135
|
22
|
3
|
|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
170
|
135
|
676
|
|
100
|
65
|
230
|
190
|
|
160
|
24
|
3
|
|
8-23
|
125
|
250
|
210
|
|
185
|
22
|
3
|
|
8-18
|
195
|
175
|
787
|
|
125
|
80
|
270
|
220
|
|
188
|
28
|
3
|
|
8-26
|
150
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
210
|
190
|
977
|
|
150
|
100
|
300
|
250
|
|
218
|
30
|
3
|
|
8-26
|
175
|
310
|
270
|
|
240
|
26
|
3
|
|
8-23
|
255
|
230
|
1,035
|
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