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PV Valve
PV Valve
1. Application
The PV 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 steel
valve seat: stainless steel 0Cr18Ni9 SUS304
flame screen: stainless steel 00Cr17Ni14Mo2 SUS316L
Your special material requirement can be met, such as 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). No peak pressure over opening pressure.
(2). High quality and reasonable price.
(3). Effective outside setting adjustable system.
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. The product of PV Valve in the factory:
