Marine PV Valve - High Velocity Relief Valve - Hi-sea

Marine PV Valve

Marine PV Valve

Marine PV Valve

1. Application

The Marine PV Valve is usually used in oil tanker and chemical tanker,it designs to provide automatic control of pressure differentials during liquid cargo ship loading,voyage,ballasting and de-ballasting without any manual operation.In addition,it provides auto-protection against fire and explosions on desk.

2. Material

valve body:cast

valve seat:0Cr18Ni9  SUS304

flame screen:00Cr17Ni14Mo2  SUS316L

the materials mentioned before are basic materials,ship-owners can choose better materials, such as SUS304,SUS304L,SUS316L.

3. Nominal Size & Pressure

DiameterDN50—DN250

Pressure:(1) oil tanker:-3.5Kpa—14Kpa; (2) chemical tanker:-3.5Kpa—20Kpa.

4. Features

(1). Meet new IMO & MED requirements for cargo vapor flammability - MESG 0.9 & 0.65 mm.

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

(3). High quality and good service.

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, RINA, LR.

Marine PV Valve Certificate

7. Marine PV Valve in factory

Contact with us now

Our mail: hs@cqhisea.com

replace