High Velocity Relief Valve with heating device
1. Application
High velocity relief valve with heating device often used in oil tanker or chemical tanker. According to the requirements of ISO15364, if the ship is often under severe freezing conditions, the pressure/vacuum valve shall be equipped with the heating device due to the crystallized cargo produced by steam condensation. Also, 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
Remarks: The materials mentioned before are basic materials,ship-owners can choose better materials, such as SUS304,SUS304L,SUS316L.
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). This heating device is simple in structure and heated directly and quickly. It can be used for circulating heating of hot steam and hot liquid under 1.2MPa.
(2). High quality.
(3). we can provide sample if you need.
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, LR, BV, CCS, ABS.
7. The product in factory
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