一、BJ45H/W角式保溫截止閥概述：
該閥適用于化工、化肥行業的管路上，夾套內涵入蒸汽能防止介質結晶。
二、BJ45H/W角式保溫截止閥結構圖片：
三、BJ45H/W角式保溫截止閥設計標準：
●設計與制造： GB12233
●法蘭尺寸：JB/T79 GB9113
●結構長度： GB12221
●檢驗與試驗： GB/T13927
四、BJ45H/W角式保溫截止閥性能規范：
|
型號 |
公稱壓力 |
試驗壓力 |
適用溫度 |
適用介質 |
保溫套壓力 |
|
|
Shell |
Seal |
|||||
|
BJ45W-25P |
2.5 |
3.75 |
2.75 |
≤200 |
Acetic urea |
≤1.3 |
|
BJ45W-40P |
4.0 |
6.0 |
4.4 |
|||
|
BJ45W-64P |
6.4 |
9.0 |
6.6 |
Acetic urea |
||
|
BJ45W-25P |
2.5 |
3.75 |
2.75 |
|||
|
BJ45W-40P |
4.0 |
6.0 |
4.4 |
|||
|
BJ45W-64P |
6.4 |
9.0 |
6.6 |
|||
五、BJ45H/W角式保溫截止閥主要零件材質：
|
零件名稱LTEM |
ZG1CR18NI9TI系列 |
ZGOOCR18NI10系列 |
ZG1Cr18Ni12MO2Ti系列 |
ZGOOCR17NI14MO2系列 |
WCB系列 |
|
閥體/閥蓋世BODY/CAP |
ZG1CR18NI9TI |
ZGOOCR18NI10 |
ZG1Cr18Ni12MO2Ti |
ZGOOCR17NI14MO2 |
WCB |
|
閘板WEDGE |
ZG1CR18NI9TI |
ZGOOCR18NI10 |
ZG1Cr18Ni12MO2Ti |
ZGOOCR17NI14MO2 |
1Cr13 |
|
閥桿STEM |
1CR18NI9TI |
00cr18ni10 |
1CR18NI12MOTI |
OOCR17NI14MO |
1Cr13 |
|
填料PACKING |
PTFE紡織 |
PTFE紡織 |
PTFE紡織 |
PTFE紡織 |
石墨 |
|
墊片GASKET |
304L+PTFE |
304L+PTFE |
316L+PTFE |
316L+PTFE |
石墨+304 |
|
壓蓋GLAND FLANGE |
ZG1CR18NI9TI |
ZG00CR18ni10 |
ZG1Cr18Ni12MO2Ti |
ZGOOCR17NI14MO2 |
WCB |
|
填料壓環 |
1CR18NI9TI |
00CR18NI10 |
1Cr18NI12MOTI |
OOCR17NI14MO |
1Cr13 |
|
螺栓BOLT |
1cr17ni2 |
1CR17NI2 |
1Cr17NI2 |
1Cr17Ni2 |
35CrMoA |
|
螺母NUT |
1cr18ni9ti |
1CR18NI9TI |
1Cr18NI9ti |
1Cr18NI9ti |
45 |
|
GB 2.5MPa |
|||||||||||
|
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
|
L |
170 |
190 |
210 |
230 |
260 |
300 |
340 |
380 |
430 |
- |
550 |
|
H |
260 |
310 |
375 |
375 |
385 |
450 |
485 |
600 |
625 |
735 |
790 |
|
D0 |
120 |
140 |
160 |
160 |
160 |
240 |
240 |
280 |
320 |
360 |
360 |
|
GB 4.0MPa |
|||||||||||
|
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
|
L |
170 |
190 |
210 |
230 |
260 |
300 |
340 |
380 |
430 |
- |
550 |
|
H |
260 |
310 |
375 |
375 |
385 |
450 |
485 |
600 |
625 |
735 |
790 |
|
D0 |
120 |
140 |
160 |
160 |
160 |
240 |
240 |
280 |
320 |
360 |
360 |
|
GB 6.4MPa |
|||||||||||
|
DN |
25 |
32 |
50 |
65 |
100 |
150 |
|||||
|
L |
235 |
260 |
300 |
340 |
430 |
415 |
|||||
|
H |
375 |
385 |
450 |
510 |
670 |
670 |
|||||
|
D0 |
160 |
160 |
240 |
240 |
400 |
400 |
|||||