A42Y彈簧全啟封閉式安全閥
質(zhì)量穩(wěn)定：實(shí)行全過程質(zhì)量監(jiān)控，細(xì)致入微，
全方位檢測！
全方位檢測！
價(jià)格合理：高效內(nèi)部成本控制，減少了開支，
讓利于客戶！
讓利于客戶！
交貨快捷：先進(jìn)生產(chǎn)流水線，充足的備貨，
縮短了交貨期！
縮短了交貨期！
A42Y彈簧全啟封閉式安全閥
A42Y彈簧全啟封閉式安全閥適用于工作溫度≤300℃空氣、石油氣、液體等介質(zhì)的設(shè)備和管路上。A42Y-P型及A42Y-R型適用于工作溫度≤200℃有腐蝕性的介質(zhì)的設(shè)備和管路上，作為超壓保護(hù)裝置。
彈簧全啟封閉式安全閥連接法蘭標(biāo)準(zhǔn)按JB/T……-94系列1。≥6.4MPa按JB/T……-94系列2。
彈簧全啟封閉式安全閥外形尺寸和連接尺寸
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型號
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公稱通徑
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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
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f
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K1
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g2
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b1
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f'
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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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A42H-16C
A42F-16C |
20
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15
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105
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75
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|
55
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16
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2
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|
4-14
|
25
|
115
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85
|
65
|
16
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2
|
4-14
|
110
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95
|
378
|
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25
|
16
|
115
|
85
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|
65
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16
|
2
|
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
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|
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32
|
20
|
140
|
100
|
|
78
|
18
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2
|
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
50
|
165
|
125
|
100
|
20
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3
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4-18
|
120
|
110
|
406
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|
|
50
|
32
|
165
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125
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|
100
|
20
|
3
|
|
4-18
|
65
|
185
|
145
|
120
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20
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3
|
4-18
|
135
|
120
|
450
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|
|
65
|
40
|
185
|
145
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|
120
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20
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3
|
|
4-18
|
80
|
200
|
160
|
135
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20
|
3
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8-18
|
160
|
140
|
520
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|
|
80
|
50
|
200
|
160
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|
135
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20
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3
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|
8-18
|
100
|
220
|
180
|
155
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22
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3
|
8-18
|
170
|
135
|
525
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|
|
100
|
65
|
220
|
180
|
|
155
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22
|
3
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|
8-18
|
125
|
250
|
210
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185
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22
|
3
|
8-18
|
195
|
175
|
690
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|
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125
|
80
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250
|
210
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|
185
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22
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3
|
|
8-18
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150
|
285
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240
|
210
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24
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3
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8-23
|
210
|
190
|
780
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|
|
150
|
100
|
285
|
240
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|
210
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24
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3
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8-23
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175
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310
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270
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240
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26
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3
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8-23
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255
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230
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838
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|
|
200
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125
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340
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295
|
|
265
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26
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3
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|
12-23
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250
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405
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355
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320
|
30
|
3
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12-26
|
300
|
260
|
992
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|
|
250
|
150
|
405
|
355
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|
320
|
30
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3
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|
12-26
|
300
|
460
|
410
|
375
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30
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4
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12-26
|
350
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320
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1266
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|
|
300
|
220
|
460
|
410
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|
375
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30
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4
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|
12-26
|
400
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580
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525
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485
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36
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4
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16-30
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370
|
350
|
1283
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|
|
350
|
250
|
520
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470
|
|
435
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34
|
4
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|
16-26
|
500
|
715
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650
|
608
|
44
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4
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20-34
|
500
|
450
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1520
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|
|
400
|
280
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580
|
525
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|
485
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36
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4
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|
16-30
|
500
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715
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650
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608
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44
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4
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20-34
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500
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450
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1530
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|
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A42H-25
A42F-25 |
20
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15
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105
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75
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|
55
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16
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2
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|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
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|
|
32
|
20
|
140
|
100
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|
78
|
18
|
2
|
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
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|
|
40
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25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
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406
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|
|
50
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32
|
165
|
125
|
|
100
|
20
|
3
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|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
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|
|
65
|
40
|
185
|
145
|
|
120
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22
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3
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|
8-18
|
80
|
200
|
160
|
135
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20
|
3
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8-18
|
160
|
140
|
520
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|
|
80
|
50
|
200
|
160
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|
135
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22
|
3
|
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
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|
|
100
|
65
|
230
|
190
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|
160
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24
|
3
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|
8-23
|
125
|
250
|
210
|
185
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22
|
3
|
8-18
|
195
|
175
|
690
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|
|
125
|
80
|
270
|
220
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|
188
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28
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3
|
|
8-26
|
150
|
285
|
240
|
210
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24
|
3
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8-23
|
210
|
190
|
780
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|
|
150
|
100
|
300
|
250
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|
218
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30
|
3
|
|
8-26
|
175
|
310
|
270
|
240
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26
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3
|
8-23
|
255
|
230
|
838
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|
|
200
|
125
|
360
|
310
|
|
278
|
34
|
3
|
|
12-26
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|
|
250
|
150
|
425
|
370
|
|
332
|
36
|
3
|
|
12-30
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1266
|
|
|
300
|
220
|
485
|
430
|
|
390
|
40
|
4
|
|
16-30
|
400
|
580
|
525
|
485
|
36
|
4
|
16-30
|
370
|
350
|
1283
|
|
|
A42H-40
A42F-40 |
20
|
15
|
105
|
25
|
51
|
55
|
16
|
2
|
4
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
|
|
25
|
16
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
|
|
32
|
20
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|
|
40
|
25
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
406
|
|
|
50
|
32
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|
|
65
|
40
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|
|
80
|
50
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|
|
100
|
65
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|
|
125
|
80
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-26
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
780
|
|
|
150
|
100
|
300
|
250
|
204
|
218
|
30
|
3
|
4.5
|
8-26
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|
|
200
|
125
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|
|
250
|
150
|
450
|
385
|
313
|
345
|
42
|
3
|
4.5
|
12-34
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1266
|
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