| 详细介绍：
产品名称：DTA47H/Y/F带扳手弹簧微启式安全阀
DTA47H/Y/F带扳手弹簧微启式安全阀使用工况：
DTA47H/Y/F适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。
DTA47H/Y/F带扳手弹簧微启式安全阀产品特点：
1、外型美观、耐高温
2、带扳手可以手动减压,可定期检验阀门开启的灵活性
3、选用优质的弹簧钢、弹簧寿命长、稳定性好，盖和阀帽敞开设计、提高了弹簧的散热、起跳精准、回做压力偏差小
4、手工研磨的密封面不宜渗漏介质、平面结构的阀瓣和阀座易于重新加工和维修
DTA47H/Y/F带扳手弹簧微启式安全阀产品结构图：
DTA47H/Y/F带扳手弹簧微启式安全阀主要零部件材料：
|
NO.
|
零件名称 Name of part
|
Materials
|
|
1
|
阀 体 Body
|
WCB
|
|
2
|
阀 座 Nozzle
|
ZG2Cr13
|
|
3
|
调 节 圈 Adjusting ring
|
ZG2Cr13
|
|
4
|
阀 瓣 Disc
|
2Cr13
|
|
5
|
导 向 套 Guide sleeve
|
2Cr13
|
|
6
|
阀 盖 Bonnet
|
ZG230-450
|
|
7
|
弹 簧 Spring
|
50CrVA
|
|
8
|
阀 杆 Stem
|
2Cr13
|
|
9
|
扳 手 Lever
|
ZG200-400
|
|
10
|
调整螺杆 Adjusting bolt
|
45
|
|
11
|
保 护 罩 Cap
|
ZG200-400
|
|
|
密封面材料 Sealing surface of material
|
"H" 型堆焊D507，"Y"堆焊Co基硬质合金
"H" type Depositing D507, "Y" type Depositing stellite
|
DTA47H/Y/F带扳手弹簧微启式安全阀外形尺寸：
|
ype
|
(DN)
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z- d
|
DN'
|
D1
|
k1
|
g2
|
g1
|
b1
|
f'
|
f1'
|
Z1-d1
|
L
|
L1
|
H
|
|
DTA47H-16C
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
20
|
105
|
75
|
55
|
|
16
|
2
|
|
4-14
|
100
|
85
|
270
|
|
25
|
20
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
25
|
115
|
85
|
65
|
|
16
|
2
|
|
4-14
|
100
|
85
|
270
|
|
32
|
25
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
32
|
140
|
100
|
78
|
|
18
|
2
|
|
4-18
|
115
|
100
|
312
|
|
40
|
32
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
40
|
150
|
110
|
85
|
|
18
|
3
|
|
4-18
|
120
|
110
|
320
|
|
50
|
40
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
50
|
165
|
125
|
100
|
|
20
|
3
|
|
4-18
|
135
|
120
|
390
|
|
65
|
50
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
65
|
185
|
145
|
120
|
|
20
|
3
|
|
4-18
|
140
|
130
|
395
|
|
80
|
65
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
80
|
200
|
160
|
135
|
|
20
|
3
|
|
8-18
|
160
|
135
|
400
|
|
100
|
80
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
100
|
220
|
180
|
155
|
|
22
|
3
|
|
8-18
|
170
|
160
|
600
|
|
125
|
100
|
250
|
210
|
|
185
|
22
|
3
|
|
8-18
|
125
|
250
|
210
|
185
|
|
22
|
3
|
|
8-18
|
190
|
190
|
620
|
|
150
|
125
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
150
|
285
|
240
|
210
|
|
24
|
3
|
|
8-23
|
205
|
195
|
625
|
|
200
|
150
|
340
|
295
|
|
265
|
26
|
3
|
|
12-23
|
200
|
340
|
295
|
265
|
|
26
|
3
|
|
12-23
|
240
|
230
|
798
|
|
250
|
200
|
405
|
355
|
|
320
|
30
|
3
|
|
12-26
|
250
|
405
|
355
|
320
|
|
30
|
3
|
|
12-26
|
350
|
320
|
981
|
|
300
|
250
|
460
|
410
|
|
375
|
30
|
4
|
|
12-26
|
300
|
460
|
410
|
375
|
|
30
|
4
|
|
12-26
|
350
|
320
|
1,005
|
|
DTA47H-25
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
20
|
105
|
75
|
55
|
|
16
|
2
|
|
4-14
|
100
|
85
|
270
|
|
25
|
20
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
25
|
115
|
85
|
65
|
|
16
|
2
|
|
4-14
|
100
|
85
|
270
|
|
32
|
25
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
32
|
140
|
100
|
78
|
|
18
|
2
|
|
4-18
|
115
|
100
|
312
|
|
40
|
32
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
40
|
150
|
110
|
85
|
|
18
|
3
|
|
4-18
|
120
|
110
|
320
|
|
50
|
40
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
50
|
165
|
125
|
100
|
|
20
|
3
|
|
4-18
|
135
|
120
|
390
|
|
65
|
50
|
185
|
145
|
|
120
|
22
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
|
20
|
3
|
|
4-18
|
140
|
130
|
395
|
|
80
|
65
|
200
|
160
|
|
135
|
24
|
3
|
|
8-18
|
80
|
200
|
160
|
135
|
|
20
|
3
|
|
8-18
|
160
|
135
|
400
|
|
100
|
80
|
230
|
190
|
|
160
|
24
|
3
|
|
8-23
|
100
|
220
|
180
|
155
|
|
20
|
3
|
|
8-18
|
170
|
160
|
600
|
| 
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