Oil Tanker High Velocity Relief Valve - High Velocity Relief Valve - Hi-sea

Oil Tanker High Velocity Relief Valve

Oil Tanker High Velocity Relief Valve

Oil Tanker High Velocity Relief Valve

1. Application

Oil Tanker High Velocity Relief Valve is usually designed to prevent the flame passage into cargo tanks and to relieve excessive over pressure or under vacuum of cargo tanks during cargo loading, discharging, ballasting and de-ballasting.

2. Material

valve body: cast steel

valve seat: stainless steel   0Cr18Ni9  SUS304

flame screen: stainless steel 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 to 14Kpa  (2) chemical tanker: -3.5Kpa to 20Kpa.

4. Features

(1). High quality and reasonable price.

(2). 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


7. The product of Oil Tanker High Velocity Relief Valve in the factory

Oil Tanker High Velocity Relief Valve in factory

Contact with us now

Our mail: manager@hiseamarine.com

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