All Weather Fireproof Breather valve

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All Weather Fireproof Breather valve:

1.Manufacturing standard:GB5908-86.

2.End type:Flange/Thread.

3.End standard:HG,GB,SH,HGJ,JB,ANSI,JIS.

4.Operating pressure:

Set pressure:36mmH2O～1000mmH2O;
Set vaccum:-20mmH2O～-50mmH2O.

5.Explosion group:SS 5501:ⅡA, ⅡB ,ⅡC.

6.Main material for construction:

No.

Component

Body

Flame arrester

Spring hood

Vaccum hood

Diaphram

Material

L2、A3

304、304L

316、316L

304、304L

316、316L

L2、A3

304、304L

316、316L

PTFE

L2、A3

304、304L

316、316L

PTFE

NBR

PTFE

Metal gasket

7.Dimension table:

DN	H	L	D	D1	D2	n	d
20	360	362	140	110	90	4	14
80	445	513	185	150	125	4	18
100	445	513	205	170	145	4	18
150	610	640	260	225	200	8	18
200	700	770	315	280	255	8	18
250	828	918	370	335	310	12	18

8.Drawing of All Weather Fireproof Breather valve:

OrderConstruction：

Please give clear indication of Dimension operating pressure and material.

Please give clear indication of flange, material and operating pressure if you need other standard.

Breather Valve

All Weather Fireproof Breather valve

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DN	H	L	D	D1	D2	n	d
20	360	362	140	110	90	4	14
80	445	513	185	150	125	4	18
100	445	513	205	170	145	4	18
150	610	640	260	225	200	8	18
200	700	770	315	280	255	8	18
250	828	918	370	335	310	12	18

DN	H	L	D	D1	D2	n	d
20	360	362	140	110	90	4	14
80	445	513	185	150	125	4	18
100	445	513	205	170	145	4	18
150	610	640	260	225	200	8	18
200	700	770	315	280	255	8	18
250	828	918	370	335	310	12	18

Breather Valve

All Weather Fireproof Breather valve

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DN	H	L	D	D1	D2	n	d
20	360	362	140	110	90	4	14
80	445	513	185	150	125	4	18
100	445	513	205	170	145	4	18
150	610	640	260	225	200	8	18
200	700	770	315	280	255	8	18
250	828	918	370	335	310	12	18