保溫截止閥概述:截止閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。
用途:保溫截止閥具有保溫,保冷特性,適用于石油,化工,冶金,制藥等行業(yè).該閥還適用于化工、化肥行業(yè)的管路上,夾套內(nèi)通入蒸汽能防止介質(zhì)結(jié)晶。
執(zhí)行標(biāo)準(zhǔn)
設(shè)計與制造:BS1873BS5160GB12233
法蘭尺寸:ANSIB16.5JB/T79GB9113
壓力溫度:ANSIB16.34
結(jié)構(gòu)長度:ANSIB16.10BS1873GB12221
對焊連接尺寸:ANSIB16.25
檢驗與實驗:BS6755GB/T13927
保溫截止閥主要性能規(guī)范:
型號
|
公稱壓力
PN(MPa)
|
試驗壓力PS(MPa)
|
適用溫度
(℃)
|
適用介質(zhì)
|
保溫套壓力
(MPa)
|
殼體
|
密封
|
BJ41W-16P.R.C
|
1.6
|
2.4
|
1.8
|
≤350
|
硝酸類
|
≤1.0
|
BJ41W-25P.R.C
|
2.5
|
3.8
|
2.8
|
≤350
|
硝酸類
|
≤1.0
|
主要外形尺寸和連接尺寸
型號
|
公稱通徑
DN(/)
|
尺寸(?)
|
L
|
D
|
D1
|
D2
|
B-f
|
Z-φ
|
H
|
D0
|
BJ41W/H-16P/R/C
|
15
|
130
|
95
|
65
|
45
|
16-2
|
4-14
|
170
|
120
|
20
|
150
|
105
|
75
|
55
|
16-2
|
4-14
|
190
|
140
|
25
|
160
|
115
|
85
|
65
|
16-2
|
4-14
|
205
|
160
|
32
|
180
|
135
|
100
|
78
|
18-2
|
4-18
|
270
|
180
|
40
|
200
|
145
|
110
|
85
|
18-3
|
4-18
|
310
|
200
|
50
|
230
|
160
|
125
|
100
|
18-3
|
4-18
|
358
|
240
|
65
|
290
|
180
|
145
|
120
|
18-3
|
4-18
|
373
|
280
|
80
|
310
|
195
|
160
|
135
|
20-3
|
8-18
|
435
|
320
|
100
|
350
|
215
|
180
|
155
|
20-3
|
8-18
|
500
|
360
|
125
|
400
|
245
|
210
|
185
|
22-3
|
8-18
|
614
|
400
|
150
|
480
|
280
|
240
|
210
|
24-3
|
8-23
|
674
|
400
|
200
|
600
|
335
|
295
|
265
|
26-3
|
12-23
|
818
|
450
|
250
|
730
|
405
|
355
|
320
|
30-3
|
12-25
|
969
|
550
|
BJ41W/H-25P/R/C保溫截止閥主要外形尺寸和連接尺寸
型號
|
公稱通徑
DN(/)
|
尺寸(?)
|
L
|
D
|
D1
|
D2
|
B-f
|
Z-φ
|
H
|
D0
|
BJ41WH-25PRC
|
15
|
130
|
95
|
65
|
45
|
16-2
|
4-14
|
233
|
120
|
20
|
150
|
105
|
75
|
55
|
16-2
|
4-14
|
275
|
140
|
25
|
160
|
115
|
85
|
65
|
16-2
|
4-14
|
285
|
160
|
32
|
180
|
135
|
100
|
78
|
18-2
|
4-18
|
302
|
180
|
40
|
200
|
145
|
110
|
85
|
18-3
|
4-18
|
355
|
200
|
50
|
230
|
160
|
125
|
100
|
20-3
|
4-18
|
362
|
240
|
65
|
290
|
180
|
145
|
120
|
22-3
|
8-18
|
400
|
280
|
80
|
310
|
195
|
160
|
135
|
22-3
|
8-18
|
430
|
320
|
100
|
350
|
230
|
190
|
160
|
24-3
|
8-23
|
465
|
360
|
125
|
400
|
270
|
220
|
188
|
28-3
|
8-25
|
550
|
400
|
150
|
480
|
300
|
250
|
218
|
30-3
|
8-25
|
700
|
400
|
200
|
600
|
360
|
310
|
278
|
343
|
12-25
|
780
|
450
|
250
|
730
|
425
|
370
|
335
|
36-3
|
12-30
|
900
|
550
|
BJ41W/H-40/64P/R/C保溫截止閥主要外形尺寸和連接尺寸
型號
|
公稱通徑
DN(?)
|
尺寸(?)
|
L
|
D
|
D1
|
D2
|
B-f
|
Z-φ
|
H
|
BJ41WH-40PRC
|
15
|
130
|
95
|
65
|
45
|
16-2
|
4-14
|
233
|
20
|
150
|
105
|
75
|
55
|
16-2
|
4-14
|
275
|
25
|
160
|
115
|
85
|
65
|
16-2
|
4-14
|
285
|
32
|
180
|
135
|
100
|
78
|
18-2
|
4-18
|
302
|
40
|
200
|
145
|
110
|
85
|
18-3
|
4-18
|
355
|
50
|
230
|
160
|
125
|
100
|
20-3
|
4-18
|
370
|
65
|
290
|
180
|
145
|
120
|
22-3
|
8-18
|
408
|
80
|
310
|
195
|
160
|
135
|
22-3
|
8-18
|
436
|
100
|
350
|
230
|
190
|
160
|
24-3
|
8-23
|
475
|
125
|
400
|
270
|
220
|
188
|
28-3
|
8-25
|
558
|
150
|
480
|
300
|
250
|
218
|
30-3
|
8-25
|
720
|
200
|
600
|
375
|
320
|
282
|
38-3
|
12-30
|
800
|
BJ41WH-64PRC
|
15
|
170
|
105
|
75
|
55
|
18-2
|
4-14
|
240
|
20
|
190
|
125
|
90
|
68
|
20-2
|
4-18
|
280
|
25
|
210
|
135
|
100
|
78
|
22-2
|
4-18
|
290
|
32
|
230
|
150
|
110
|
82
|
24-2
|
4-23
|
325
|
40
|
260
|
165
|
125
|
95
|
24-3
|
4-23
|
360
|
50
|
300
|
175
|
135
|
105
|
26-3
|
4-23
|
410
|
65
|
340
|
200
|
160
|
130
|
28-3
|
8-23
|
430
|
80
|
380
|
210
|
170
|
140
|
30-3
|
8-23
|
465
|
100
|
430
|
250
|
200
|
168
|
32-3
|
8-25
|
537
|
125
|
500
|
295
|
240
|
202
|
36-3
|
8-30
|
630
|
150
|
550
|
340
|
280
|
240
|
38-3
|
8-34
|
790
|
200
|
650
|
405
|
345
|
300
|
44-3
|
12-34
|
910
|
|