Pressure Vacuum Valve - High Velocity Relief Valve - Hi-sea

Pressure Vacuum Valve

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Pressure Vacuum Valve

Pressure Vacuum Valve

1. Application

The 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 pressure vacuum 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

We can according to customer demand for customized the material.

3. Nominal Size & Pressure

diameterDN50—DN250

pressure:(1) oil tanker:-3.5Kpa to 14Kpa (2) chemical tanker:-3.5Kpa to 20Kpa.

4. Features

(1). Variable application for usable installation vent pipe length and flow capacity range.

(2). Reliable operations reduce vapor losses.

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: ABS, BV, CCS, LR, RINA can be provided by us.


7. The product of Pressure Vacuum Valve in factory

Pressure Vacuum Valve in factory

Contact with us now

Our mail: manager@hiseamarine.com

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