A41H彈簧微啟封閉式安全閥
安全閥是一種由進(jìn)口靜壓開(kāi)啟的自動(dòng)泄壓防護(hù)裝置,它是壓力容器最為重要的安全附件之一,它的功能是:當(dāng)容器內(nèi)壓力超過(guò)某一定值時(shí),依靠介質(zhì)自身的壓力自動(dòng)開(kāi)啟閥門,迅速排出一定數(shù)量的介質(zhì)。當(dāng)容器內(nèi)的壓力降到允許值時(shí),閥又自動(dòng)關(guān)閉,使容器內(nèi)壓力始終低于允許壓力的上限,自動(dòng)防止因超壓而可能出現(xiàn)的事故,所以安全閥又被稱為壓力容器的最終保護(hù)裝置。
安全閥常見(jiàn)故障及原因
【安全閥漏氣】(1)閥芯與閥座接觸面不嚴(yán)密;(2)閥芯與閥座接觸面有臟物;(3)閥桿偏斜。
【安全閥到規(guī)定壓力時(shí)不開(kāi)啟】(1)閥芯與閥座粘住,可做手動(dòng)排氣試驗(yàn)排除;(2)彈簧式安全閥的彈簧調(diào)整壓力過(guò)大,應(yīng)重新調(diào)整;(3)杠桿式安全閥的重錘向后移動(dòng),應(yīng)將重錘移到原來(lái)定壓的位置上,用限動(dòng)螺絲緊固。
【安全閥不規(guī)定壓力時(shí)開(kāi)啟】(1)彈簧式安全閥的彈簧調(diào)整壓力不夠、彈簧失效或彈力不足,應(yīng)重調(diào)或重?fù)Q安全閥;(2)杠桿式安全閥重錘向前移動(dòng),應(yīng)將重錘移到原來(lái)定壓的位置上,用限動(dòng)螺絲緊固。
A41H彈簧微啟封閉式安全閥概述
A41H彈簧微啟封閉式安全閥適用于工作溫度≤300℃的石油氣、空氣、水等介質(zhì)的設(shè)備或管路上。A41Y-P/R型適用于工作溫度≤200℃有腐蝕性介質(zhì)的設(shè)備或管路上,作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T……94/系列1。
彈簧微啟封閉式安全閥主要零部件材質(zhì)
NO
|
零件名稱
|
A41H-16材料
|
A41H-16P材料
|
A41H-16R材料
|
1
|
法蘭
|
35/35CrMoA
|
2Cr13
|
1Cr18Ni9Ti
|
2
|
閥座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
3
|
閥體
|
35/40
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
4
|
閥瓣
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
5
|
導(dǎo)向套
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
6
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
7
|
閥桿
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
8
|
閥蓋
|
ZG230-450
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
9
|
調(diào)整螺桿
|
45
|
2Cr13
|
2Cr13
|
10
|
閥帽
|
ZG200-400
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
閥座、閥瓣密封面
|
堆焊Co基硬質(zhì)合金
|
彈簧微啟封閉式安全閥外形尺寸和連接尺寸
型號(hào) |
公稱通徑 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-?d |
DN’ |
D1 |
K1 |
g2 |
g’ |
b1 |
f’ |
f1’ |
Z1-?d1 |
L |
L1 |
≈H |
A41H-16C
A41Y-16P
A41Y-16R
KA41Y-16C
KA41Y-16P |
20 |
15 |
105 |
75 |
- |
55 |
16 |
2 |
- |
4-14 |
20 |
105 |
75 |
55 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
25 |
20 |
115 |
85 |
- |
65 |
16 |
2 |
- |
4-14 |
25 |
115 |
85 |
65 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
32 |
25 |
140 |
100 |
- |
78 |
18 |
2 |
- |
4-18 |
32 |
140 |
100 |
78 |
- |
18 |
2 |
- |
4-18 |
115 |
100 |
285 |
40 |
32 |
150 |
110 |
- |
85 |
18 |
3 |
- |
4-18 |
40 |
150 |
110 |
85 |
- |
18 |
3 |
- |
4-18 |
120 |
110 |
292 |
50 |
40 |
165 |
125 |
- |
100 |
20 |
3 |
- |
4-18 |
50 |
165 |
125 |
100 |
- |
20 |
3 |
- |
4-18 |
135 |
120 |
370 |
65 |
50 |
185 |
145 |
- |
120 |
20 |
3 |
- |
4-18 |
65 |
185 |
145 |
120 |
- |
20 |
3 |
- |
4-18 |
140 |
130 |
375 |
80 |
65 |
200 |
160 |
- |
135 |
20 |
3 |
- |
8-18 |
80 |
200 |
160 |
135 |
- |
20 |
3 |
- |
8-18 |
160 |
135 |
373 |
100 |
80 |
220 |
180 |
- |
155 |
22 |
3 |
- |
8-18 |
100 |
220 |
180 |
155 |
- |
22 |
3 |
- |
8-18 |
170 |
160 |
513 |
125 |
100 |
250 |
210 |
- |
185 |
22 |
3 |
- |
8-18 |
125 |
250 |
210 |
185 |
- |
22 |
3 |
- |
8-18 |
190 |
190 |
560 |
150 |
125 |
285 |
240 |
- |
210 |
24 |
3 |
- |
8-23 |
150 |
285 |
240 |
210 |
- |
24 |
3 |
- |
8-23 |
205 |
195 |
570 |
200 |
150 |
340 |
295 |
- |
265 |
26 |
3 |
- |
12-23 |
200 |
340 |
295 |
265 |
- |
26 |
3 |
- |
12-23 |
240 |
230 |
717 |
250 |
200 |
405 |
355 |
- |
320 |
30 |
3 |
- |
12-26 |
250 |
405 |
355 |
320 |
- |
30 |
3 |
- |
12-26 |
350 |
320 |
940 |
300 |
250 |
460 |
410 |
- |
375 |
30 |
4 |
- |
12-26 |
300 |
460 |
410 |
375 |
- |
30 |
4 |
- |
12-26 |
350 |
320 |
980 |
A41H-25
A41Y-25P
A41Y-25R
KA41Y-25
KA41Y-25P |
20 |
15 |
105 |
75 |
- |
55 |
16 |
2 |
- |
4-14 |
20 |
105 |
75 |
55 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
25 |
20 |
115 |
85 |
- |
65 |
16 |
2 |
- |
4-14 |
25 |
115 |
85 |
65 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
32 |
25 |
140 |
100 |
- |
78 |
18 |
2 |
- |
4-18 |
32 |
140 |
100 |
78 |
- |
18 |
2 |
- |
4-18 |
115 |
100 |
285 |
40 |
32 |
150 |
110 |
- |
85 |
18 |
3 |
- |
4-18 |
40 |
150 |
110 |
85 |
- |
18 |
3 |
- |
4-18 |
120 |
110 |
292 |
50 |
40 |
165 |
125 |
- |
100 |
20 |
3 |
- |
4-18 |
50 |
165 |
125 |
100 |
- |
20 |
3 |
- |
4-18 |
135 |
120 |
370 |
65 |
50 |
185 |
145 |
- |
120 |
22 |
3 |
- |
8-18 |
65 |
185 |
145 |
120 |
- |
20 |
3 |
- |
4-18 |
140 |
130 |
375 |
80 |
65 |
200 |
160 |
- |
135 |
24 |
3 |
- |
8-18 |
80 |
200 |
160 |
135 |
- |
20 |
3 |
- |
8-18 |
160 |
135 |
373 |
100 |
80 |
230 |
190 |
- |
160 |
24 |
3 |
- |
8-23 |
100 |
220 |
180 |
155 |
- |
20 |
3 |
- |
8-18 |
170 |
160 |
513 |
125 |
100 |
270 |
220 |
- |
188 |
28 |
3 |
- |
8-26 |
125 |
250 |
210 |
185 |
- |
22 |
3 |
- |
8-18 |
190 |
190 |
560 |
150 |
125 |
300 |
250 |
- |
218 |
30 |
3 |
- |
8-26 |
150 |
285 |
240 |
210 |
- |
24 |
3 |
- |
8-23 |
205 |
195 |
570 |
200 |
150 |
360 |
310 |
- |
278 |
34 |
3 |
- |
12-26 |
200 |
340 |
295 |
265 |
- |
26 |
3 |
- |
12-23 |
240 |
230 |
717 |
250 |
200 |
425 |
370 |
- |
332 |
36 |
3 |
- |
12-30 |
250 |
405 |
355 |
320 |
- |
30 |
3 |
- |
12-26 |
350 |
320 |
940 |
300 |
250 |
485 |
430 |
- |
390 |
40 |
4 |
- |
16-30 |
300 |
460 |
410 |
375 |
- |
30 |
4 |
- |
12-26 |
350 |
320 |
980 |
A41H-40
A41Y-40P
A41Y-40R
KA41Y-40
KA41Y-40P |
20 |
15 |
105 |
75 |
51 |
55 |
16 |
2 |
4 |
4-14 |
20 |
105 |
75 |
55 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
25 |
20 |
115 |
85 |
58 |
65 |
16 |
2 |
4 |
4-14 |
25 |
115 |
85 |
65 |
- |
16 |
2 |
- |
4-14 |
100 |
85 |
276 |
32 |
25 |
140 |
100 |
66 |
78 |
18 |
2 |
4 |
4-18 |
32 |
140 |
100 |
78 |
- |
18 |
2 |
- |
4-18 |
115 |
100 |
285 |
40 |
32 |
150 |
110 |
76 |
85 |
18 |
3 |
4 |
4-18 |
40 |
150 |
110 |
85 |
- |
18 |
3 |
- |
4-18 |
120 |
110 |
292 |
50 |
40 |
165 |
125 |
88 |
100 |
20 |
3 |
4 |
4-18 |
50 |
165 |
125 |
100 |
- |
20 |
3 |
- |
4-18 |
135 |
120 |
370 |
65 |
50 |
185 |
145 |
110 |
120 |
22 |
3 |
4 |
8-18 |
65 |
185 |
145 |
120 |
- |
20 |
3 |
- |
4-18 |
140 |
130 |
375 |
80 |
65 |
200 |
160 |
121 |
135 |
22 |
3 |
4 |
8-18 |
80 |
200 |
160 |
135 |
- |
20 |
3 |
- |
8-18 |
160 |
135 |
373 |
100 |
80 |
235 |
190 |
150 |
160 |
24 |
3 |
4.5 |
8-23 |
100 |
220 |
180 |
155 |
- |
22 |
3 |
- |
8-18 |
170 |
160 |
513 |
125 |
100 |
270 |
220 |
176 |
188 |
28 |
3 |
4.5 |
8-26 |
125 |
250 |
210 |
185 |
- |
22 |
3 |
- |
8-18 |
190 |
190 |
560 |
150 |
125 |
300 |
250 |
204 |
218 |
30 |
3 |
4.5 |
8-26 |
150 |
285 |
240 |
210 |
- |
24 |
3 |
- |
8-23 |
205 |
195 |
570 |
200 |
150 |
375 |
320 |
260 |
282 |
38 |
3 |
4.5 |
12-30 |
200 |
340 |
295 |
265 |
- |
26 |
3 |
- |
12-23 |
240 |
230 |
717 |
250 |
200 |
450 |
385 |
313 |
345 |
42 |
3 |
4.5 |
12-34 |
250 |
405 |
355 |
320 |
- |
30 |
3 |
- |
12-26 |
350 |
320 |
940 |
300 |
250 |
515 |
450 |
364 |
408 |
46 |
4 |
4.5 |
16-34 |
300 |
460 |
410 |
375 |
- |
30 |
4 |
- |
12-26 |
350 |
320 |
980 |
A41H-64
A41Y-64
A41Y-64P
A41Y-64R |
20 |
15 |
130 |
90 |
51 |
68 |
20 |
2 |
4 |
4-18 |
20 |
105 |
75 |
55 |
51 |
16 |
2 |
4 |
4-14 |
100 |
95 |
268 |
25 |
20 |
140 |
100 |
58 |
78 |
22 |
2 |
4 |
4-18 |
25 |
115 |
85 |
65 |
58 |
16 |
2 |
4 |
4-14 |
100 |
95 |
268 |
32 |
25 |
155 |
110 |
66 |
82 |
24 |
2 |
4 |
4-23 |
32 |
140 |
100 |
78 |
66 |
18 |
2 |
4 |
4-18 |
115 |
105 |
279 |
40 |
32 |
170 |
125 |
76 |
95 |
24 |
3 |
4 |
4-23 |
40 |
150 |
110 |
85 |
76 |
18 |
3 |
4 |
4-18 |
135 |
115 |
330 |
50 |
40 |
180 |
135 |
88 |
105 |
26 |
3 |
4 |
4-23 |
50 |
165 |
125 |
100 |
88 |
20 |
3 |
4 |
4-18 |
160 |
125 |
360 |
65 |
50 |
205 |
160 |
110 |
130 |
28 |
3 |
4 |
8-23 |
65 |
185 |
145 |
120 |
110 |
22 |
3 |
4 |
8-18 |
175 |
160 |
503 |
80 |
65 |
215 |
170 |
121 |
140 |
30 |
3 |
4 |
8-23 |
80 |
200 |
160 |
135 |
121 |
22 |
3 |
4 |
8-18 |
175 |
160 |
498 |
100 |
80 |
250 |
200 |
150 |
168 |
32 |
3 |
4.5 |
8-26 |
100 |
235 |
190 |
160 |
150 |
24 |
3 |
4.5 |
8-23 |
190 |
180 |
530 |
150 |
100 |
345 |
280 |
204 |
240 |
38 |
3 |
4.5 |
8-34 |
150 |
300 |
250 |
218 |
204 |
30 |
3 |
4.5 |
8-26 |
280 |
260 |
657 |
, A41H-100
A41Y-100
A41Y-100P
A41Y-100R
|
20 |
15 |
130 |
90 |
51 |
68 |
22 |
2 |
4 |
4-18 |
20 |
105 |
75 |
55 |
51 |
16 |
2 |
4 |
4-14 |
100 |
95 |
268 |
25 |
20 |
140 |
100 |
58 |
78 |
24 |
2 |
4 |
4-18 |
25 |
115 |
85 |
65 |
58 |
16 |
2 |
4 |
4-14 |
100 |
95 |
268 |
32 |
25 |
155 |
110 |
66 |
82 |
24 |
2 |
4 |
4-23 |
32 |
140 |
100 |
78 |
66 |
18 |
2 |
4 |
4-18 |
115 |
105 |
279 |
40 |
32 |
170 |
125 |
76 |
95 |
26 |
3 |
4 |
4-23 |
40 |
150 |
110 |
85 |
76 |
18 |
3 |
4 |
4-18 |
135 |
115 |
330 |
50 |
40 |
195 |
145 |
88 |
112 |
28 |
3 |
4 |
4-26 |
50 |
165 |
125 |
100 |
88 |
20 |
3 |
4 |
4-18 |
160 |
125 |
360 |
65 |
50 |
220 |
170 |
110 |
138 |
32 |
3 |
4 |
8-26 |
65 |
185 |
145 |
120 |
110 |
22 |
3 |
4 |
8-18 |
175 |
160 |
503 |
80 |
65 |
230 |
180 |
121 |
148 |
34 |
3 |
4 |
8-26 |
80 |
200 |
160 |
135 |
121 |
22 |
3 |
4 |
8-18 |
175 |
160 |
498 |
100 |
80 |
265 |
210 |
150 |
172 |
38 |
3 |
4.5 |
8-30 |
100 |
235 |
190 |
160 |
150 |
24 |
3 |
4.5 |
8-23 |
190 |
180 |
530 |
150 |
100 |
355 |
290 |
204 |
250 |
46 |
3 |
4.5 |
12-34 |
150 |
300 |
250 |
218 |
204 |
30 |
3 |
4.5 |
8-26 |
280 |
260 |
657 |
安全閥介質(zhì), 壓力等級(jí),開(kāi)啟方式(全啟/微啟)設(shè)定起跳壓力,確定閥門尺寸,連接方式,標(biāo)準(zhǔn)最大耐溫,釋放流量/每小時(shí),閥體材質(zhì),內(nèi)部閥體結(jié)構(gòu),工作原理,安裝說(shuō)明等相關(guān)技術(shù)資料.安全閥選型主要依據(jù)就是(起跳壓力及整齊壓力流量溫度)口徑一般設(shè)計(jì)院會(huì)給出,而實(shí)際上通過(guò)蒸汽壓力,流量及起跳壓力,可以推測(cè)出安全閥的尺寸.一般會(huì)比設(shè)計(jì)院所選出的口徑小一號(hào),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),由我們的尼威閥門公司專家為您審核把關(guān)。感謝您訪問(wèn)我們的網(wǎng)站【xianlimei.cn】
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