低溫閘閥的概述
低溫閘閥的啟閉件是閘板，閘板的運(yùn)動(dòng)方向與流體方向相垂直，閘閥只能作全開和全關(guān) , 不能作調(diào)節(jié)和節(jié)流。閘板有兩個(gè)密封面 , 最常用的模式閘板閥的兩個(gè)密封面形成楔形、楔形角隨閥門參數(shù)而異 , 通常為 50, 介質(zhì)溫度不高時(shí)為 2°52＇ 。楔式閘閥的閘板可以做成一個(gè)整 體，叫做剛性閘板；也可以做成能產(chǎn)生微量變形的閘板 , 以改善其工藝性 , 彌補(bǔ)密封面角度在加工過程中產(chǎn)生的偏差 , 這種閘板叫做彈性閘板。
低溫閘閥 DZ41H DZ40H DZ41Y DZ41R DZ41YR DZ40Y
使用溫度: LCB低溫碳鋼材質(zhì) -46-400℃
316不銹鋼材質(zhì) -196-400℃
304不銹鋼材質(zhì) -100-350℃
316L不銹鋼材質(zhì) -250-200℃
主要特點(diǎn) CHIEF FEATURES
- 全通徑，明桿帶支架
FULL PORT,OUTSIDE SCREW AND YOKE(OS&Y)
- 中法蘭螺栓連接
BOLTED BONNET
- 帶導(dǎo)向的彈性閘板
FLEXIBLE WEDGE,FULLY GUIDED
- 美標(biāo)結(jié)構(gòu)改進(jìn)型
STRUCTUIRE IMPROVE ON API
- 加長保溫頸
EXITENSION HOLDING NECK
- 傘齒輪操作選配
AVAILABLE WITH GEAR OPERATOR
- 標(biāo)準(zhǔn)法蘭連接
FLANGED END
產(chǎn)品規(guī)范 Product Specification (按照標(biāo)準(zhǔn))
|
產(chǎn)品規(guī)范
Product
Specification |
設(shè)計(jì)規(guī)范
Design Spec |
結(jié)構(gòu)長度
Face to Face |
法蘭連接
Flange End |
試驗(yàn)與檢驗(yàn)
Test & Check |
壓力-溫度
Pressure-Temp |
產(chǎn)品標(biāo)識(shí)
Marking |
供貨規(guī)范
Supply |
|
JB/T7749 |
JB/T12221 |
JB/T79 |
JB/T9092 |
GB9131 |
GB/T12220 |
JB/T7928 |
主要零部件材料 Main Part Material
|
零件名稱 |
零部件材料 Part Material |
Part Name |
|
閥體 |
LCB |
LC1 |
LC2 |
LC3 |
LC4 |
CF8/CF8M |
CF3/CF3M |
Body |
|
閥蓋 |
LCB |
LC1 |
LC2 |
LC3 |
LC4 |
CF8/CF8M |
CF3/CF3M |
Bonnet |
|
閘板 |
LCB |
LC1 |
LC2 |
LC3 |
LC4 |
CF8/CF8M |
CF3/CF3M |
Wedge |
|
閥桿 |
1Cr17Ni12 |
1Cr18Ni9Ti |
0Cr14Ni12Mo2 |
Stem |
|
密封副 |
STL+STL |
STL+STL |
STL+STL |
Hard Trim |
|
填料 |
柔性石墨 Flexible Graphite(聚四氟乙烯/PTFE) |
Packing |
|
墊片 |
18-8柔性石墨 Flexilb Graphite |
Gasket |
|
螺栓 |
1Cr17Ni12 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
Bolt |
|
適用溫度 |
-46℃ |
-60℃ |
-73℃ |
-101℃ |
-115℃ |
-196℃ |
-196℃ |
Suitable
Temp |
|
適用介質(zhì) |
丙烷、丙烯、甲醇、乙烷、煤氣、液氮
Propane,Propyoene,Methanol,Ethanol,Coal-Gas,Liquid Ammonia |
Suitable
Medium |
低溫閘閥的結(jié)構(gòu)圖
主要外形和連接尺寸 Main External and Connection Dimen 單位Unit：mm
|
產(chǎn)品型號(hào)
Type |
公稱通徑
DN |
PN1.6MPa |
WT
(kg) |
|
L |
D |
D1 |
D2 |
b |
Z-Φd |
H |
D0 |
|
DZ41H
DZ40H
DZ41Y
DZ41R
DZ41YR
DZ40Y
-16L
|
20 |
150 |
105 |
75 |
55 |
14 |
4-Φ14 |
320 |
140 |
6 |
|
25 |
160 |
115 |
85 |
65 |
14 |
4-Φ14 |
350 |
160 |
7 |
|
32 |
180 |
135 |
100 |
78 |
16 |
4-Φ18 |
385 |
180 |
9 |
|
40 |
200 |
145 |
110 |
85 |
16 |
4-Φ18 |
420 |
200 |
15 |
|
50 |
250 |
160 |
125 |
100 |
16 |
4-Φ18 |
540 |
240 |
30 |
|
65 |
265 |
180 |
145 |
120 |
18 |
4-Φ18 |
610 |
240 |
34 |
|
80 |
280 |
195 |
160 |
135 |
20 |
8-Φ18 |
690 |
280 |
45 |
|
100 |
300 |
215 |
180 |
155 |
20 |
8-Φ18 |
780 |
300 |
64 |
|
125 |
325 |
245 |
210 |
185 |
22 |
8-Φ18 |
930 |
320 |
110 |
|
150 |
350 |
280 |
240 |
210 |
24 |
8-Φ23 |
980 |
360 |
135 |
|
200 |
400 |
335 |
295 |
265 |
26 |
12-Φ23 |
1180 |
400 |
195 |
|
250 |
450 |
405 |
355 |
320 |
30 |
12-Φ25 |
1390 |
450 |
275 |
|
300 |
500 |
460 |
410 |
375 |
30 |
12-Φ25 |
1620 |
560 |
380 |
|
350 |
550 |
520 |
470 |
425 |
34 |
16-Φ25 |
1810 |
640 |
594 |
|
400 |
600 |
580 |
525 |
485 |
36 |
16-Φ30 |
1970 |
640 |
725 |
■主要外形和連接尺寸 Main External and Connection Dimen 單位Unit：mm
|
產(chǎn)品型號(hào)
Type |
公稱通徑
DN |
PN2.5MPa |
WT
(kg) |
|
L |
D |
D1 |
D2 |
b |
Z-Φd |
H |
D0 |
|
DZ41H
DZ40H
DZ41Y
DZ41R
DZ41YR
DZ40Y
-25L
|
20 |
150 |
105 |
75 |
55 |
16 |
4-Φ14 |
320 |
140 |
6 |
|
25 |
160 |
115 |
85 |
65 |
16 |
4-Φ14 |
350 |
160 |
8 |
|
32 |
180 |
135 |
100 |
78 |
18 |
4-Φ18 |
385 |
180 |
10 |
|
40 |
200 |
145 |
110 |
85 |
18 |
4-Φ18 |
420 |
200 |
16 |
|
50 |
250 |
160 |
125 |
100 |
20 |
4-Φ18 |
540 |
240 |
30 |
|
65 |
265 |
180 |
145 |
120 |
22 |
8-Φ18 |
610 |
240 |
35 |
|
80 |
280 |
195 |
160 |
135 |
22 |
8-Φ18 |
690 |
280 |
47 |
|
100 |
300 |
230 |
190 |
160 |
24 |
8-Φ23 |
780 |
300 |
65 |
|
125 |
325 |
270 |
220 |
188 |
28 |
8-Φ25 |
930 |
320 |
110 |
|
150 |
350 |
300 |
250 |
218 |
30 |
8-Φ25 |
980 |
360 |
135 |
|
200 |
400 |
360 |
310 |
278 |
34 |
12-Φ25 |
1180 |
400 |
215 |
|
250 |
450 |
425 |
370 |
332 |
36 |
12-Φ30 |
1390 |
450 |
295 |
|
300 |
500 |
485 |
430 |
390 |
40 |
16-Φ30 |
1620 |
560 |
400 |
|
350 |
550 |
550 |
490 |
448 |
44 |
16-Φ34 |
1810 |
640 |
630 |
|
400 |
600 |
610 |
550 |
505 |
48 |
16-Φ34 |
1990 |
640 |
910 |
■主要外形和連接尺寸 Main External and Connection Dimen 單位Unit：mm
|
產(chǎn)品型號(hào)
Type |
公稱通徑
DN |
PN4.0MPa |
WT
(kg) |
|
L |
D |
D1 |
D2 |
D6 |
b |
Z-Φd |
H |
D0 |
|
DZ41H
DZ40H
DZ41Y
DZ41R
DZ41YR
DZ40Y
-40L |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
4-Φ14 |
330 |
140 |
7 |
|
25 |
160 |
115 |
85 |
65 |
58 |
16 |
4-Φ14 |
360 |
160 |
9 |
|
32 |
180 |
135 |
100 |
78 |
66 |
18 |
4-Φ18 |
440 |
180 |
11 |
|
40 |
200 |
145 |
110 |
85 |
76 |
18 |
4-Φ18 |
455 |
200 |
19 |
|
50 |
250 |
160 |
125 |
100 |
88 |
20 |
4-Φ18 |
575 |
280 |
28 |
|
65 |
280 |
180 |
145 |
120 |
110 |
22 |
8-Φ18 |
635 |
280 |
35 |
|
80 |
310 |
195 |
160 |
135 |
121 |
22 |
8-Φ18 |
715 |
320 |
50 |
|
100 |
350 |
230 |
190 |
160 |
150 |
24 |
8-Φ23 |
815 |
360 |
74 |
|
125 |
400 |
270 |
220 |
188 |
176 |
28 |
8-Φ25 |
965 |
400 |
115 |
|
150 |
450 |
300 |
250 |
218 |
204 |
30 |
8-Φ25 |
1025 |
400 |
135 |
|
200 |
550 |
375 |
320 |
282 |
260 |
38 |
12-Φ30 |
1225 |
450 |
215 |
|
250 |
650 |
445 |
385 |
345 |
313 |
42 |
12-Φ34 |
1440 |
560 |
184 |
|
300 |
750 |
510 |
450 |
408 |
346 |
46 |
16-Φ34 |
1665 |
640 |
405 |
|
350 |
850 |
570 |
510 |
465 |
422 |
52 |
16-Φ34 |
1880 |
640 |
600 |
|
400 |
950 |
655 |
585 |
535 |
474 |
58 |
16-Φ41 |
2050 |
720 |
750 |
■主要外形和連接尺寸 Main External and Connection Dimen 單位Unit：mm
|
產(chǎn)品型號(hào)
Type |
公稱通徑
DN |
PN6.4MPa |
WT
(kg) |
|
L |
D |
D1 |
D2 |
D6 |
b |
Z-Φd |
H |
D0 |
|
DZ41H
DZ40H
DZ41Y
DZ41R
DZ41YR
DZ40Y
-64L |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
4-Φ18 |
330 |
100 |
8 |
|
25 |
210 |
165 |
100 |
78 |
58 |
22 |
4-Φ18 |
360 |
180 |
13 |
|
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
410 |
180 |
24 |
|
40 |
240 |
165 |
125 |
95 |
76 |
24 |
4-Φ23 |
480 |
200 |
32 |
|
50 |
250 |
175 |
135 |
105 |
88 |
26 |
4-Φ23 |
585 |
200 |
39 |
|
65 |
280 |
200 |
160 |
160 |
110 |
28 |
8-Φ23 |
690 |
250 |
45 |
|
80 |
310 |
210 |
170 |
140 |
121 |
30 |
8-Φ23 |
745 |
300 |
60 |
|
100 |
350 |
250 |
200 |
168 |
150 |
32 |
8-Φ25 |
885 |
300 |
90 |
|
125 |
400 |
295 |
240 |
202 |
176 |
36 |
8-Φ30 |
958 |
350 |
140 |
|
150 |
450 |
340 |
280 |
240 |
204 |
38 |
8-Φ34 |
1050 |
350 |
205 |
|
200 |
550 |
405 |
345 |
300 |
260 |
44 |
12-Φ34 |
1240 |
400 |
330 |
|
250 |
650 |
470 |
400 |
352 |
313 |
48 |
12-Φ41 |
1460 |
560 |
468 |
|
300 |
750 |
530 |
460 |
412 |
364 |
54 |
16-Φ41 |
1690 |
640 |
600 |
■主要外形和連接尺寸 Main External and Connection Dimen 單位Unit：mm
|
產(chǎn)品型號(hào)
Type |
公稱通徑
DN |
PN10.0MPa |
WT
(kg) |
|
L |
D |
D1 |
D2 |
D6 |
b |
Z-Φd |
H |
D0 |
|
DZ41H
DZ40H
DZ41Y
DZ41R
DZ41YR
DZ40Y
-100L |
25 |
210 |
135 |
100 |
78 |
58 |
24 |
4-Φ18 |
365 |
200 |
18 |
|
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
420 |
240 |
27 |
|
50 |
250 |
195 |
145 |
112 |
88 |
28 |
4-Φ25 |
630 |
360 |
45 |
|
65 |
280 |
220 |
170 |
138 |
110 |
32 |
8-Φ25 |
700 |
400 |
60 |
|
80 |
310 |
230 |
180 |
148 |
121 |
34 |
8-Φ25 |
760 |
400 |
76 |
|
100 |
350 |
265 |
210 |
172 |
150 |
38 |
8-Φ30 |
900 |
400 |
128 |
訂貨須知：
一、①低溫閘閥產(chǎn)品名稱與型號(hào)②低溫閘閥口徑③低溫閘閥是否帶附件以便我們的為您正確選型。
二、若已經(jīng)由設(shè)計(jì)單位選定正鋼閥門低溫閘閥型號(hào)，請(qǐng)按低溫閘閥型號(hào)直接向我司銷售部訂購。
三、當(dāng)使用的場(chǎng)合非常重要或環(huán)境比較復(fù)雜時(shí),請(qǐng)您盡量提供設(shè)計(jì)圖紙和詳細(xì)參數(shù)，由我們的正鋼閥門專家為您審核把關(guān)。
感謝您向我們發(fā)出訂單我們會(huì)在最短時(shí)間與您聯(lián)系!