Stainless Steel Spring Low Lift Safety Valve, DN15-25
Key Specifications / Features
Detail Information
Stainless steel spring low lift safety valve is widely used in petroleum, gas, electricity, chemical industry, etc. It is applicable for water, steam, gas, oil or corrosive medium. Working temperature is not higher than200℃. When the pressure in pipes is higher than allowed pressure, safe valve will open to release medium so that can relief pressure and ensure the safety of pipes. When the pressure in pipes is lower than allowed pressure, safety valve will close to increase the pressure inside pipe and ensure equipment runs effectively.
Nominal diameter: DN15-25mm
Working temperature: ≤200℃
Materials
|
NO. |
Part Name |
Materials |
|
1 |
Coupling |
1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti |
|
2 |
Coupling Nut |
2Cr13, 1Cr18Ni9Ti |
|
3 |
Base |
1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti |
|
4 |
Body |
2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti |
|
5 |
Disc |
2Cr13/2Cr13+PTFE, 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE, 1Cr18Ni12Mo2Ti |
|
6 |
Spring Base |
2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti |
|
7 |
Spring |
50CrVA |
|
8 |
Lock Nut |
Q235-A,ZG230-450, 1Cr18Ni9Ti |
|
9 |
Spring Guide Pad |
2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti |
|
10 |
Adjusting Nut |
Q235-A, 2Cr13, 1Cr18Ni12Mo2Ti |
|
11 |
Seal Face |
Cemented carbide |
Dimensions
|
Nominal Dimensions DN(mm) |
do |
d |
Do |
M |
d1 |
D1 |
L |
L1 |
≈H |
|
15 |
12 |
15 |
20 |
M27×1.5 |
G1/2" |
30 |
35 |
76 |
66 |
|
20 |
16 |
20 |
25 |
M33×1.5 |
G3/4" |
35 |
40 |
87 |
68 |
|
25 |
18 |
25 |
31 |
M39×1.5 |
G1" |
40 |
50 |
100 |
105 |
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