Cast Steel P/V Valve

Cast Steel P/V Valve

1. Brief Introduction:

Cast Steel P/V Valve is pressure/vacuum valve for cargo oil tank. is also called as high-velocity relief valve, high velocity P/V valve, generally used in the relief system of the oil tanker and chemical tanker.

2. Product Detailed:

Material: Cast Steel

Opening Pressure of Vacuum Valve: -3.5 Kpa

Operate: Pneumatic

Media: Liquid

3. Material for Cast Steel P/V Valve:

Serial No.	Parts	Quantity	Material	Remarks
1	P-valve base	1	ZG200-400	Cast 20#
2	Water nozzle	1	0Cr18Ni9	SUS304
3	P-valve seat	1	0Cr18Ni9	SUS304
4	P-valve disc	1	0Cr18Ni9	SUS304
5	Matching block	1	0Cr18Ni9	SUS304
6	P-valve body (A) (B)	1	ZG200-400	Cast 20#
7	Conducting machine	1	0Cr18Ni9	SUS304
8	Handle	1	0Cr18Ni9	SUS304
9	V-valve body	1	ZG200-400	Cast 20#
10	Matching block	1	0Cr18Ni9	SUS304
11	V-valve disc	1	0Cr18Ni9	SUS304
12	V-valve seat	1	0Cr18Ni9	SUS304
13	Flame screen	2	00Cr17Ni14Mo2	SUS304
14	Flame screen gland	1	ZG200-400	Cast 20#
15	Nameplate	1	0Cr18Ni9	SUS304
16	Climbing pole	1	0Cr18Ni9	SUS304
17	Gas-freeing cover or V-valve cover	1	ZG200-400	Cast 20

4. Data for Cast Steel P/V Valve:

DN	D2	D1	D	L	H	Assembly hole
250	320	350	395	460	860	12xø22
200	268	295	340	455	850	8xø18
150	202	225	265	385	710	8xø18
125	178	200	240	380	665	8xø18
100	148	170	210	285	565	4xø18
80	128	150	190	285	535	4xø18
65	110	130	160	255	485	4xø14
50	90	110	140	255	485	4xø14