Chemical Tanker Pressure Vacuum Valve
1. Application
Chemical Tanker Pressure Vacuum Valve generally used in the relief system of the oil tanker and chemical tanker according to the current regulations: IMO and IBC. The purpose of the high velocity valve is to provide automatic control of pressure differentials during liquid cargo ship loading, voyage, ballasting and de-ballasting without any manual operation, also, it provides auto-protection against fire and explosions on desk.
2. Material
valve body:cast
valve seat:0Cr18Ni9 SUS304
flame screen:00Cr17Ni14Mo2 SUS316L
remarks:the materials mentioned before are basic materials, ship-owners can choose better materials, such as SUS304, SUS304L, SUS316L.
3. Size & Pressure
nomianl diameter:DN50—DN250
nominal pressure:oil tanker:-3.5Kpa—14Kpa;
chemical tanker:-3.5Kpa—20Kpa.
4. Features
(1). Full lifting and high flow capacity.
(2). Effective outside setting adjustable system.
(3). High quality and reasonable prices.
5. Specification(mm)
|
Serial No. |
DN |
D2 |
D1 |
D |
L |
H |
Flange Hole |
|
1 |
50 |
90 |
110 |
140 |
255 |
485 |
4xφ14 |
|
2 |
65 |
110 |
130 |
160 |
255 |
485 |
4xφ14 |
|
3 |
80 |
128 |
150 |
190 |
285 |
535 |
4xφ18 |
|
4 |
100 |
148 |
170 |
210 |
285 |
565 |
4xφ18 |
|
5 |
125 |
178 |
200 |
240 |
380 |
665 |
8xφ18 |
|
6 |
150 |
202 |
225 |
265 |
385 |
710 |
8xφ18 |
|
7 |
200 |
268 |
295 |
340 |
455 |
850 |
8xφ18 |
|
8 |
250 |
320 |
350 |
395 |
460 |
860 |
12xφ22 |
7. Chemical Tanker Pressure Vacuum Valve in factory
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