安全閥   
| 
 A48Y扳手彈簧全啟式安全閥 
 | 
  | 
產(chǎn)品概述:
A48Y半封閉帶扳手彈簧全啟式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設備和管路上。A44Y全封閉帶扳手彈簧全啟式安全閥適用于工作溫度≤300℃的空氣、石油等介質(zhì)的設備或管路上,作為超壓保護裝置。
連接法蘭標準PN<6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2標準。
 
結構簡(jiǎn)述
1、帶扳手彈簧全啟式安全閥具有結構簡(jiǎn)單、密封性能好、開(kāi)啟壓力準確、排放能力大、回座壓差小、調整方便等特點(diǎn)。
2、噴嘴型閥座:閥座為位伐爾噴嘴型閥座,蒸汽流經(jīng)閥座出口處時(shí)達到音速,排放系數大,閥座密封面堆焊鈷鉻鎢硬質(zhì)合金,耐磨抗沖蝕,壽命長(cháng)。
3、熱彈性閥瓣:閥瓣設計為熱彈性結構,利用其在介質(zhì)壓力下微小的變形,提高密封能力,克服安全閥在介質(zhì)壓力下臨近整定壓力時(shí)的前泄現象。閥瓣密封面采用先進(jìn)的激光淬火技術(shù),提高了硬度、耐磨性、抗沖抗性。
4、調節螺母:通過(guò)調整調節螺母,調整彈簧壓縮量,使閥門(mén)能夠很方便、很迅速地獲得準確的整定壓力。
5、背壓調整套:調整閥瓣背壓的輔助機構,通過(guò)背壓調整套調整,可獲得合適的回座壓差。上調時(shí),使閥門(mén)背壓降低。下調時(shí),使閥門(mén)背壓提高。
安裝說(shuō)明
1、安全閥必須垂直安裝,并最好直接安裝在容器或管道的接頭上。接頭內徑應不小于安全閥的進(jìn)口通徑。
2、安全閥的出口必須裝設適當的膨脹節,以防止排放管的熱膨脹給安全閥帶來(lái)不應有的熱應力。排放管內徑應比閥門(mén)出口直徑大,長(cháng)度盡可能短,避免拐彎。排放管及膨脹節重量不應作用在安全閥上,應固定在建筑上。排放管的中心線(xiàn)與閥體的中心線(xiàn)間距離盡可能的短。對每臺安全閥都應單獨裝設排放管。
3、消聲器的出口處要有足夠的面積,防止產(chǎn)生背壓影響閥門(mén)的排放能               
運行參數:
| 型號 | 
通徑 | 
do | 
D | 
K | 
g | 
g1 | 
b | 
f | 
f1 | 
Z-ød | 
DN' | 
D1 | 
K1 | 
g3 | 
g2 | 
b1 | 
f' | 
f1' | 
Z1-ød1 | 
L | 
L1 | 
≈H | 
| A48Y-16C A44Y-16C A44Y-16P A44Y-16R | 
20 | 
15 | 
105 | 
75 | 
  | 
55 | 
16 | 
2 | 
  | 
4-14 | 
25 | 
115 | 
85 | 
  | 
65 | 
16 | 
2 | 
  | 
4-14 | 
110 | 
95 | 
411 | 
| 25 | 
16 | 
115 | 
85 | 
  | 
65 | 
16 | 
2 | 
  | 
4-14 | 
32 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
110 | 
95 | 
411 | 
| 32 | 
20 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
40 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
115 | 
100 | 
411 | 
| 40 | 
25 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
50 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
120 | 
110 | 
472 | 
| 50 | 
32 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
65 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
135 | 
120 | 
532 | 
| 65 | 
40 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
80 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
160 | 
140 | 
556 | 
| 80 | 
50 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
100 | 
220 | 
180 | 
  | 
155 | 
22 | 
3 | 
  | 
8-18 | 
170 | 
135 | 
561 | 
| 100 | 
65 | 
220 | 
180 | 
  | 
155 | 
20 | 
3 | 
  | 
8-18 | 
125 | 
250 | 
210 | 
  | 
185 | 
22 | 
3 | 
  | 
8-18 | 
195 | 
175 | 
667 | 
| 125 | 
80 | 
250 | 
210 | 
  | 
185 | 
22 | 
3 | 
  | 
8-18 | 
150 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
210 | 
190 | 
857 | 
| 150 | 
100 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
175 | 
310 | 
270 | 
  | 
240 | 
26 | 
3 | 
  | 
8-23 | 
255 | 
230 | 
915 | 
| 200 | 
125 | 
340 | 
295 | 
  | 
265 | 
26 | 
3 | 
  | 
12-23 | 
250 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
300 | 
260 | 
1073 | 
| 250 | 
150 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
300 | 
460 | 
410 | 
  | 
375 | 
30 | 
4 | 
  | 
12-26 | 
350 | 
320 | 
1307 | 
| 300 | 
220 | 
460 | 
410 | 
  | 
375 | 
30 | 
4 | 
  | 
12-26 | 
400 | 
580 | 
525 | 
  | 
485 | 
36 | 
4 | 
  | 
16-30 | 
370 | 
350 | 
1233 | 
| 350 | 
250 | 
520 | 
470 | 
  | 
435 | 
34 | 
4 | 
  | 
16-26 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1711 | 
| 400 | 
280 | 
580 | 
525 | 
  | 
485 | 
36 | 
4 | 
  | 
16-30 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1780 | 
A48Y-25 
	A44Y-25 
	A44Y-25P A44Y-25R | 
20 | 
15 | 
105 | 
75 | 
  | 
55 | 
16 | 
2 | 
  | 
4-14 | 
25 | 
115 | 
85 | 
  | 
65 | 
16 | 
2 | 
  | 
4-14 | 
110 | 
95 | 
411 | 
| 25 | 
16 | 
115 | 
85 | 
  | 
65 | 
16 | 
2 | 
  | 
4-14 | 
32 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
110 | 
95 | 
411 | 
| 32 | 
20 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
40 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
115 | 
100 | 
411 | 
| 40 | 
25 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
50 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
120 | 
110 | 
472 | 
| 50 | 
32 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
65 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
135 | 
120 | 
532 | 
| 65 | 
40 | 
185 | 
145 | 
  | 
120 | 
22 | 
3 | 
  | 
8-18 | 
80 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
160 | 
140 | 
556 | 
| 80 | 
50 | 
200 | 
160 | 
  | 
135 | 
22 | 
3 | 
  | 
8-18 | 
100 | 
220 | 
180 | 
  | 
155 | 
22 | 
3 | 
  | 
8-18 | 
170 | 
135 | 
561 | 
| 100 | 
65 | 
230 | 
190 | 
  | 
160 | 
24 | 
3 | 
  | 
8-23 | 
125 | 
250 | 
210 | 
  | 
185 | 
22 | 
3 | 
  | 
8-18 | 
195 | 
175 | 
667 | 
| 125 | 
80 | 
270 | 
220 | 
  | 
188 | 
28 | 
3 | 
  | 
8-26 | 
150 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
210 | 
190 | 
857 | 
| 150 | 
100 | 
300 | 
250 | 
  | 
218 | 
30 | 
3 | 
  | 
8-26 | 
175 | 
310 | 
270 | 
  | 
240 | 
26 | 
3 | 
  | 
8-23 | 
255 | 
230 | 
915 | 
| 200 | 
125 | 
360 | 
310 | 
  | 
278 | 
34 | 
3 | 
  | 
12-26 | 
250 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
300 | 
260 | 
1073 | 
| 250 | 
150 | 
425 | 
370 | 
  | 
332 | 
36 | 
3 | 
  | 
12-30 | 
300 | 
460 | 
410 | 
  | 
375 | 
30 | 
4 | 
  | 
12-26 | 
350 | 
320 | 
1307 | 
| 300 | 
220 | 
485 | 
430 | 
  | 
390 | 
40 | 
4 | 
  | 
16-30 | 
400 | 
580 | 
525 | 
  | 
485 | 
36 | 
4 | 
  | 
16-30 | 
370 | 
350 | 
1233 | 
| 350 | 
250 | 
555 | 
490 | 
  | 
448 | 
44 | 
4 | 
  | 
16-34 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1711 | 
| 400 | 
280 | 
620 | 
550 | 
  | 
505 | 
48 | 
4 | 
  | 
16-36 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1780 | 
| A48Y-40 A44Y-40 A44Y-40P A44Y-40R | 
20 | 
15 | 
105 | 
75 | 
51 | 
55 | 
16 | 
2 | 
4 | 
4-14 | 
25 | 
115 | 
85 | 
  | 
65 | 
16 | 
2 | 
  | 
4-14 | 
110 | 
95 | 
411 | 
| 25 | 
16 | 
115 | 
85 | 
58 | 
65 | 
16 | 
2 | 
4 | 
4-14 | 
32 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
110 | 
95 | 
411 | 
| 32 | 
20 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
40 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
115 | 
100 | 
411 | 
| 40 | 
25 | 
150 | 
110 | 
76 | 
85 | 
18 | 
3 | 
4 | 
4-18 | 
50 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
120 | 
110 | 
472 | 
| 50 | 
32 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
65 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
135 | 
120 | 
532 | 
| 65 | 
40 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
80 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
160 | 
140 | 
556 | 
| 80 | 
50 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
100 | 
220 | 
180 | 
  | 
155 | 
22 | 
3 | 
  | 
8-18 | 
170 | 
135 | 
561 | 
| 100 | 
65 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
125 | 
250 | 
210 | 
  | 
185 | 
22 | 
3 | 
  | 
8-18 | 
195 | 
175 | 
697 | 
| 125 | 
80 | 
270 | 
220 | 
176 | 
188 | 
28 | 
3 | 
4.5 | 
8-26 | 
150 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
210 | 
190 | 
857 | 
| 150 | 
100 | 
300 | 
250 | 
204 | 
218 | 
30 | 
3 | 
4.5 | 
8-26 | 
175 | 
310 | 
270 | 
  | 
240 | 
26 | 
3 | 
  | 
8-23 | 
255 | 
230 | 
915 | 
| 200 | 
125 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
250 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
300 | 
260 | 
1073 | 
| 250 | 
150 | 
450 | 
385 | 
313 | 
345 | 
42 | 
3 | 
4.5 | 
12-34 | 
300 | 
460 | 
410 | 
  | 
375 | 
30 | 
4 | 
  | 
12-26 | 
350 | 
320 | 
1307 | 
| 300 | 
220 | 
515 | 
450 | 
364 | 
408 | 
46 | 
4 | 
4.5 | 
16-34 | 
400 | 
580 | 
525 | 
  | 
485 | 
36 | 
4 | 
  | 
16-30 | 
370 | 
350 | 
1233 | 
| 350 | 
250 | 
580 | 
510 | 
422 | 
465 | 
52 | 
4 | 
5 | 
16-36 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1711 | 
| 400 | 
280 | 
660 | 
585 | 
474 | 
535 | 
58 | 
4 | 
5 | 
16-41 | 
500 | 
715 | 
650 | 
  | 
608 | 
44 | 
4 | 
  | 
20-34 | 
500 | 
450 | 
1711 | 
A48Y-64 
	A44Y-64 
	A44Y-64P A44Y-64R | 
20 | 
10 | 
125 | 
90 | 
51 | 
68 | 
22 | 
2 | 
4 | 
4-18 | 
25 | 
115 | 
85 | 
58 | 
65 | 
16 | 
2 | 
4 | 
4-14 | 
96 | 
85 | 
297 | 
| 25 | 
16 | 
140 | 
100 | 
58 | 
78 | 
22 | 
2 | 
4 | 
4-18 | 
32 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
110 | 
100 | 
310 | 
| 32 | 
20 | 
155 | 
110 | 
66 | 
82 | 
24 | 
2 | 
4 | 
4-23 | 
40 | 
150 | 
110 | 
76 | 
85 | 
18 | 
3 | 
4 | 
4-18 | 
130 | 
110 | 
322 | 
| 40 | 
25 | 
170 | 
125 | 
76 | 
95 | 
24 | 
3 | 
4 | 
4-23 | 
50 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
135 | 
120 | 
352 | 
| 50 | 
32 | 
180 | 
135 | 
88 | 
105 | 
26 | 
3 | 
4 | 
4-23 | 
65 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
155 | 
135 | 
425 | 
| 65 | 
40 | 
205 | 
160 | 
110 | 
130 | 
28 | 
3 | 
4 | 
8-23 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
175 | 
160 | 
570 | 
| 80 | 
50 | 
215 | 
170 | 
121 | 
140 | 
30 | 
3 | 
4 | 
8-23 | 
100 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
175 | 
160 | 
560 | 
| 100 | 
65 | 
250 | 
200 | 
150 | 
168 | 
32 | 
3 | 
4.5 | 
8-26 | 
125 | 
270 | 
220 | 
176 | 
188 | 
28 | 
3 | 
4.5 | 
8-25 | 
195 | 
195 | 
690 | 
| 150 | 
100 | 
345 | 
280 | 
204 | 
240 | 
38 | 
3 | 
4.5 | 
8-34 | 
200 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
280 | 
265 | 
935 | 
| A48Y-100 A44Y-100 A44Y-100P A44Y-100R | 
20 | 
10 | 
125 | 
90 | 
51 | 
68 | 
22 | 
2 | 
4 | 
4-18 | 
25 | 
115 | 
85 | 
58 | 
65 | 
16 | 
3 | 
4 | 
4-14 | 
96 | 
85 | 
297 | 
| 25 | 
16 | 
140 | 
100 | 
58 | 
78 | 
24 | 
2 | 
4 | 
4-18 | 
32 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
110 | 
100 | 
310 | 
| 32 | 
20 | 
155 | 
110 | 
66 | 
82 | 
24 | 
2 | 
4 | 
4-23 | 
40 | 
150 | 
110 | 
76 | 
85 | 
18 | 
2 | 
4 | 
4-18 | 
130 | 
110 | 
322 | 
| 40 | 
25 | 
170 | 
125 | 
76 | 
95 | 
26 | 
3 | 
4 | 
4-23 | 
50 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
135 | 
120 | 
352 | 
| 50 | 
32 | 
195 | 
145 | 
88 | 
112 | 
28 | 
3 | 
4 | 
4-26 | 
65 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
155 | 
135 | 
425 | 
| 65 | 
32 | 
220 | 
170 | 
110 | 
138 | 
32 | 
3 | 
4 | 
8-26 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
175 | 
160 | 
570 | 
| 80 | 
40 | 
230 | 
180 | 
121 | 
148 | 
34 | 
3 | 
4 | 
8-26 | 
100 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
175 | 
160 | 
560 | 
| 100 | 
50 | 
265 | 
210 | 
150 | 
172 | 
38 | 
3 | 
4.5 | 
8-30 | 
125 | 
270 | 
220 | 
176 | 
188 | 
28 | 
3 | 
4.5 | 
8-25 | 
195 | 
195 | 
690 | 
| 150 | 
80 | 
355 | 
290 | 
204 | 
250 | 
46 | 
3 | 
4.5 | 
12-34 | 
200 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
280 | 
265 | 
935 
	  | 
 
使用范圍:
A48Y半封閉帶扳手彈簧全啟式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設備和管路上。A44Y全封閉帶扳手彈簧全啟式安全閥適用于工作溫度≤300℃的空氣、石油等介質(zhì)的設備或管路上,作為超壓保護裝置。