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

Stainless Steel High Velocity Relief Valve

Stainless Steel High Velocity Relief Valve

Stainless Steel High Velocity Relief Valve

1. Application

The stainless steel high-velocity relief 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 high velocity 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  SU316L

Remarks: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). Adjustable outside opening and closing pressure without exhausting vapor gas.

(2). Full lifting and high flow capacity.

(3). 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: RINA, ABS, BV,CCS,LR

7. Stainless Steel High Velocity Relief Valve in factory:

Stainless Steel High Velocity Relief Valve in factory

Contact with us now

Our mail: manager@hiseamarine.com

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