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Full lift safety valve opening height is more than one fourth times of the flow diameter. it has an advantage of discharging greatly .
APPLICATION
A44 Type Spring Loaded Full Lift Safety Valve is applicable as the pressure protecting device in the equipment or pipelines for Steam, Air, Petroleum etc., which the working medium is ≤300℃.
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Main Parts and Material
|
No. |
Part Name |
Part Material |
||
|
A44Y-C |
A44Y-P |
A44Y-R |
||
|
1 |
Body |
WCB |
ZG1Cr18Ni9Ti |
CF8M |
|
2 |
Nozzle |
2Cr13 |
1Cr18Ni9Ti |
316 |
|
3 |
Adjusting ring |
ZG2Cr13 |
ZG1Cr18 Ni9Ti |
0Cr18Ni12Mo2Ti |
|
4 |
Disc holder |
ZG2Cr13 |
ZG1Cr18 Ni9Ti |
316 |
|
5 |
Disc |
2Cr13 |
1Cr18Ni9Ti |
316 |
|
6 |
Guide sleeve |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
|
7 |
Bonnet |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
8 |
Spring |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
|
9 |
Stem |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
10 |
Lever |
ZG200-400 |
ZG200-400 |
ZG200-400 |
|
11 |
Adjusting bolt |
45 |
2Cr13 |
2Cr13 |
|
12 |
Cap |
ZG200-400 |
ZG200-400 |
316 |
|
Sealing surface of material |
Stellite |
|||
A44 Type Spring Loaded Full Lift Safety Valve Dimension
|
DN |
do |
DN′ |
L |
L1 |
≈H |
|
20 |
15 |
25 |
110 |
95 |
307 |
|
25 |
16 |
32 |
110 |
95 |
307 |
|
32 |
20 |
40 |
115 |
100 |
311 |
|
40 |
25 |
50 |
120 |
110 |
330 |
|
50 |
32 |
65 |
135 |
120 |
340 |
|
65 |
40 |
80 |
160 |
140 |
426 |
|
80 |
50 |
100 |
170 |
135 |
438 |
|
100 |
65 |
125 |
205 |
160 |
557 |
|
125 |
80 |
150 |
210 |
190 |
641 |
|
150 |
100 |
175 |
255 |
230 |
656 |
|
200 |
125 |
250 |
305 |
260 |
795 |
|
250 |
150 |
300 |
350 |
320 |
995 |
|
300 |
220 |
400 |
370 |
350 |
1263 |
|
350 |
250 |
500 |
500 |
450 |
1711 |
|
400 |
280 |
500 |
500 |
450 |
1780 |