High Velocity Relief Valve with gas freeing cover - High Velocity Relief Valve - Hi-sea

High Velocity Relief Valve with gas freeing cover

High Velocity Velief Valve with gas freeing cover

High Velocity Relief Valve with gas freeing cover

1. Application

High velocity relief valve with gas freeing cover has been widely used in oil and chemical tanker ventilation systems. Its function is to ensure the safety of cargo tank structure and prevent overpressure or pressure loss; And control the fire, the danger of explosion and the safe discharge of the toxic cargo steam.

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

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

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

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: BV, RINA, LR,ABS, CCS.

High Velocity Velief Valve with gas freeing cover certificate

7. The product in factory

High Velocity Velief Valve with gas freeing cover in factory

Contact with us now

Our mail: manager@hiseamarine.com

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