Oil Tanker Pressure Vacuum Valve
1. Application
The oil tanker pressure vacuum valve is generally used in the relief system of the oil tanker and chemical tanker according to the current regulations: IMO and IBC. The opening pressure of the vacuum valves are -3.5kPa; the opening pressure of the pressure valves on the oil tank is 14kPa, on the chemical tank is 20kPa.
2. Material
valve body: stainless steel
valve seat: stainless steel 0Cr18Ni9 SUS304
flame screen: stainless steel 00Cr17Ni14Mo2 SUS316L
The material of this product can be made to order, for example: cast steel, stainless steel 304, stainless steel 316L etc.
3. Nominal Size & Pressure
diameter：DN50—DN250
pressure:(1) oil tanker: -3.5Kpa to 14Kpa (2) chemical tanker: -3.5Kpa to 20Kpa.
4. Features
(1). Adjustable outside opening and closing pressure without exhausting vapor gas.
(2). Full lifting and high flow capacity.
(3). Clearly visible vacuum disc operation
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 |
6. IACS Certificate: CCS, ABS, BV, LR, RINA can be provided by us. 
7. The product of Oil Tanker Pressure Vacuum Valve in the factory:
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