Stainless Steel PV Valve - High Velocity Relief Valve - Hi-sea

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Stainless Steel PV Valve

Stainless Steel PV Valve

1. Application

Stainless steel PV valve usually used in oil tanker and chemical tanker, which is made up of valve body, valve seat and flame screen.The purpose of the stainless steel PV valve is to provide automatic control of pressure differentials during liquid cargo ship loading, voyage, ballasting and de-ballasting without any manual operation. It provides auto-protection against fire and explosions on desk.

2. Material

valve body: stainless steel

valve seat: stainless steel 0Cr18Ni9  SUS304

flame screen: stainless steel 00Cr17Ni14Mo2  SUS316L

The material can be customized made. 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). Reliable operations reduces vapor losses.

(2). Full lifting and high flow capacity.

(3). High quality, reasonable price 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:RINA, CCS, LR, BV, ABS.

7. Products in factory

Stainless Steel PV Valve in factory

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