Carbon Steel Inner Safety Valve, PTFE Seal Ring
Key Specifications / Features
Detail Information
Carbon steel inner safety valve is mainly used as safety device for liquefied gas tank truck or liquefied gas storage tank. When medium pressure exceeds permitted value, the valve opens automatically to discharge. When pressure is decreased to permitted value, the valve closes automatically to protect equipment.
Parameter
|
Nominal pressure PN |
1.8 |
2.2 |
MPa |
|
Shell test pressure PN |
2.7 |
3.3 |
|
|
Seal test pressure PN |
1.8 |
2.2 |
|
|
Opened pressure |
≤1.98 |
≤2.42 |
|
|
Full open pressure |
≤2.16 |
≤2.64 |
|
|
Back seat pressure |
1.44 |
1.76 |
|
|
Applicable medium |
Liquefied gas, nitrogen, liquid ammonia |
||
|
Applicable temperature |
-40~+80 ℃ |
||
Materials
|
Part Name |
Materials |
|
Disc |
Carbon steel |
|
Seal ring |
PTFE |
|
Body |
Carbon steel |
|
Stem |
1Cr18Ni9Ti |
|
Base |
Carbon steel |
|
Yoke |
Carbon steel |
Dimensions
|
Nominal Diameter DN(mm) |
Dimension(mm) |
||||||||
|
L |
D |
D1 |
D2 |
D0 |
b |
f |
Z-Φd |
H ≈ |
|
|
50 |
95 |
160 |
125 |
100 |
34 |
20 |
3 |
4-18 |
376 |
|
80 |
99 |
225 |
190 |
149 |
52 |
25 |
4.5 |
8-22 |
512 |
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topper
- www.chinatopper.com
- Address: Xiamen
- Phone: 86-592-5819200
- Business Type: Trading , Industry & Trading , Manufacturer
Source: https://www.chinavalvesflange.com/carbon-steel-inner-safety-valve-ptfe-seal-ring.html