产品概述：A48Y弹簧全启式安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上作为超压保护装置。弹簧全启式安全阀具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小调整方便等特点。
A48Y弹簧全启式安全阀技术参数：
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带扳手弹簧全启式安全阀主要零部件材料 Materials for main parts
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NO.
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Name of part
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A48Y-C A44Y-C 材料 Materials
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A44Y-P 材料 Materials
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A44Y-R 材料 Materials
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1
|
阀 体Body
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WCB
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ZG1Cr18Ni9Ti
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CF8M
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2
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阀 座Nozzle
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2Cr13
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1Cr18Ni9Ti
|
316
|
|
3
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调 节 圈 Adjusting ring
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ZG2Cr13
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ZG1Cr18Ni9Ti
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0Cr18Ni12Mo2Ti
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4
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反 冲 盘 Disc holder
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ZG2Cr13
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ZG1Cr18Ni9Ti
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316
|
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5
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阀 瓣Disc
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2Cr13
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1Cr18Ni9Ti
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316
|
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6
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导 向 套Guide sleeve
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni12Mo2Ti
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|
7
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阀 盖Bonnet
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ZG230-450
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ZG230-450
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ZG230-450
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8
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弹 簧 Spring
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50CrVA
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50CrVA包覆氟塑料 Coated Teflon
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50CrVA包覆氟塑料 Coated Teflon
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9
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阀 杆Stem
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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|
10
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扳 手Lever
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ZG200-400
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ZG200-400
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ZG200-400
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11
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调整螺杆Adjusting bolt
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45
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2Cr13
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2Cr13
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12
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保 护 罩Cap
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ZG200-400
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ZG200-400
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316
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|
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密封面材料 Sealing surface of material
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堆焊Co基硬质合金 Depositing stellite
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A48Y弹簧全启式安全阀外形尺寸和连接尺寸
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Type
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(DN)
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do
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D
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K
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g
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g1
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b
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f
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f1
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Z- d
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DN'
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D1
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k1
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g3
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g2
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b1
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f'
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f1'
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Z1- d1
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L
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L1
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H
|
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A48Y-16C A44Y-16C A44Y-16P A44Y-16R
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20
|
15
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105
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75
|
|
55
|
16
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2
|
|
4-14
|
25
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
110
|
95
|
411
|
|
25
|
16
|
115
|
85
|
|
65
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16
|
2
|
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4-14
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32
|
140
|
100
|
|
78
|
18
|
2
|
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4-18
|
110
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95
|
411
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32
|
20
|
140
|
100
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|
78
|
18
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2
|
|
4-18
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40
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150
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110
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85
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18
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3
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4-18
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115
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100
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411
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|
40
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25
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150
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110
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85
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18
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3
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4-18
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50
|
165
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125
|
|
100
|
20
|
3
|
|
4-18
|
120
|
110
|
472
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|
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
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4-18
|
80
|
200
|
160
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|
135
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20
|
3
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|
8-18
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160
|
140
|
556
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|
80
|
50
|
200
|
160
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|
135
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20
|
3
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|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
170
|
135
|
561
|
|
100
|
65
|
220
|
180
|
|
155
|
20
|
3
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8-18
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125
|
250
|
210
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|
185
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22
|
3
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|
8-18
|
195
|
175
|
667
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|
125
|
80
|
250
|
210
|
|
185
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22
|
3
|
|
8-18
|
150
|
285
|
240
|
|
210
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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
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460
|
410
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|
375
|
30
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4
|
|
12-26
|
350
|
320
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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
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|
608
|
44
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4
|
|
20-34
|
500
|
450
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1,711
|
|
400
|
280
|
580
|
525
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|
485
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36
|
4
|
|
16-30
|
500
|
715
|
650
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|
608
|
44
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4
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20-34
|
500
|
450
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1,780
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若已经由设计单位选定我公司的《安全阀》系列，请按型号直接向上海剑泉泵阀公司销售部订购021-60846966。当使用的场合非常重要或环境比较复杂时,请您尽量提供设计图纸和详细参数，由我们的技术专家为您审核把关。
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