Oil Tanker Pressure Vacuum Valve

Oil Tanker Pressure Vacuum Valve

1. Application

The oil tanker pressure vacuum valve is generally used in the relief system of the oil tanker and chemical tanker according to the current regulations: IMO and IBC. The opening pressure of the vacuum valves are -3.5kPa; the opening pressure of the pressure valves on the oil tank is 14kPa, on the chemical tank is 20kPa.

2. Material

valve body: stainless steel

valve seat: stainless steel    0Cr18Ni9  SUS304

flame screen: stainless steel 00Cr17Ni14Mo2  SUS316L

The material of this product can be made to order, for example: 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). 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: CCS, ABS, BV, LR, RINA can be provided by us.

7. The product of Oil Tanker Pressure Vacuum Valve in the factory: