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A48Y-16C、A48Y-25C彈簧式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設(shè)備和管路上。
連接法蘭標(biāo)準(zhǔn)PN＜6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2標(biāo)準(zhǔn)。
A48Y-16C、A48Y-25C彈簧式安全閥主要零部件材料
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NO.
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零件名稱(chēng)
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A48Y-C A44Y-C 材料
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A44Y-P材料
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A44Y-R材料
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1
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閥體
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WCB
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ZG1Cr18Ni9Ti
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CF8M
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2
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閥座
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2Cr13
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1Cr18Ni9Ti
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316
|
|
3
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調(diào)節(jié)圈
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ZG2Cr13
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ZG1Cr18Ni9Ti
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0Cr18Ni12Mo2Ti
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4
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反沖盤(pán)
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ZG2Cr13
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ZG1Cr18Ni9Ti
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316
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5
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閥瓣
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2Cr13
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1Cr18Ni9Ti
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316
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6
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導(dǎo)向套
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni12Mo2Ti
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7
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閥蓋
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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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彈簧
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50CrVA
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50CrVA包覆氟塑料
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50CrVA包覆氟塑料
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9
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閥桿
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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
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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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調(diào)整螺桿
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45
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2Cr13
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2Cr13
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12
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保護(hù)罩
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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
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堆焊Co基硬質(zhì)合金
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A48Y-16C、A48Y-25C彈簧式安全閥外形尺寸和連接尺寸
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型號(hào)
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公稱(chēng)通徑
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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
|
f
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f1
|
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
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20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
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4-14
|
25
|
115
|
85
|
|
65
|
16
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2
|
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4-14
|
110
|
95
|
411
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
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4-14
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32
|
140
|
100
|
|
78
|
18
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2
|
|
4-18
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110
|
95
|
411
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|
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32
|
20
|
140
|
100
|
|
78
|
18
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2
|
|
4-18
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40
|
150
|
110
|
|
85
|
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
|
25
|
150
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110
|
|
85
|
18
|
3
|
|
4-18
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50
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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
|
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4-18
|
135
|
120
|
532
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|
|
65
|
40
|
185
|
145
|
|
120
|
20
|
3
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|
4-18
|
80
|
200
|
160
|
|
135
|
20
|
3
|
|
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
|
|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
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|
8-18
|
170
|
135
|
561
|
|
|
100
|
65
|
220
|
180
|
|
155
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20
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3
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8-18
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125
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250
|
210
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|
185
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22
|
3
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|
8-18
|
195
|
175
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667
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|
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125
|
80
|
250
|
210
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|
185
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22
|
3
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|
8-18
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150
|
285
|
240
|
|
210
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24
|
3
|
|
8-23
|
210
|
190
|
857
|
|
|
150
|
100
|
285
|
240
|
|
210
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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
|
1073
|
|
|
250
|
150
|
405
|
355
|
|
320
|
30
|
3
|
|
12-26
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300
|
460
|
410
|
|
375
|
30
|
4
|
|
12-26
|
350
|
320
|
1307
|
|
|
300
|
220
|
460
|
410
|
|
375
|
30
|
4
|
|
12-26
|
400
|
580
|
525
|
|
485
|
36
|
4
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