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Product Overview
GHF-68A fire breathing valve for the installation of crude oil, gasoline, kerosene, light diesel oil, aromatics and other fixed top-type storage tank on the main safety equipment, is from the evaporation loss and protection when the tank overpressure or vacuum Destroyed. This valve is usually used with flame arrester.

GHF-68A fire breathing valve main shape and structure size (mm) 1.0

DN	L	D	D1	D2	b	z × Φd	f	H	H1	Weight / kg
50	215	310	280	220	15	12	2	560	515	50
65	226	325	285	236	15	12	2	574	520	65
80	231	335	290	243	15	12	2	586	535	70
100	245	342	315	264	15	16	3	590	540	84
125	253	354	325	284	15	16	3	600	550	95
150	265	364	345	290	20	16	3	615	565	116
200	270	375	354	316	20	18	3	620	576	125
250	275	389	365	326	20	18	4	635	586	132
300	280	396	385	336	20	22	4	645	590	153
350	285	416	380	352	20	22	4	653	600	164
400	290	427	400	366	20	22	4	660	615	178

GHF-68A fire breathing valve main shape and structure size (mm) 1.6

DN	L	D	D1	D2	b	z × Φd	f	H	H1	Weight / kg
50	235	385	310	290	15	12	2	650	580	50
65	243	390	326	315	15	12	2	660	585	65
80	253	400	336	326	15	15	2	673	590	70
100	274	415	352	336	15	15	3	683	600	85
125	289	420	365	342	15	16	3	690	615	90
150	289	435	389	354	20	16	3	700	627	125
200	290	447	390	365	20	18	3	715	635	132
250	315	453	416	370	20	18	4	720	640	154
300	327	465	427	375	20	18	4	735	645	175
350	337	476	432	380	20	22	4	740	650	180
400	342	480	457	385	20	22	4	745	665	200

The next：Jacket insulation breathing valve

The previous：Resistant to fire breathing valve all-weather

DN	L	D	D1	D2	b	z × Φd	f	H	H1	Weight / kg
50	215	310	280	220	15	12	2	560	515	50
65	226	325	285	236	15	12	2	574	520	65
80	231	335	290	243	15	12	2	586	535	70
100	245	342	315	264	15	16	3	590	540	84
125	253	354	325	284	15	16	3	600	550	95
150	265	364	345	290	20	16	3	615	565	116
200	270	375	354	316	20	18	3	620	576	125
250	275	389	365	326	20	18	4	635	586	132
300	280	396	385	336	20	22	4	645	590	153
350	285	416	380	352	20	22	4	653	600	164
400	290	427	400	366	20	22	4	660	615	178

DN	L	D	D1	D2	b	z × Φd	f	H	H1	Weight / kg
50	215	310	280	220	15	12	2	560	515	50
65	226	325	285	236	15	12	2	574	520	65
80	231	335	290	243	15	12	2	586	535	70
100	245	342	315	264	15	16	3	590	540	84
125	253	354	325	284	15	16	3	600	550	95
150	265	364	345	290	20	16	3	615	565	116
200	270	375	354	316	20	18	3	620	576	125
250	275	389	365	326	20	18	4	635	586	132
300	280	396	385	336	20	22	4	645	590	153
350	285	416	380	352	20	22	4	653	600	164
400	290	427	400	366	20	22	4	660	615	178

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DN	L	D	D1	D2	b	z × Φd	f	H	H1	Weight / kg
50	215	310	280	220	15	12	2	560	515	50
65	226	325	285	236	15	12	2	574	520	65
80	231	335	290	243	15	12	2	586	535	70
100	245	342	315	264	15	16	3	590	540	84
125	253	354	325	284	15	16	3	600	550	95
150	265	364	345	290	20	16	3	615	565	116
200	270	375	354	316	20	18	3	620	576	125
250	275	389	365	326	20	18	4	635	586	132
300	280	396	385	336	20	22	4	645	590	153
350	285	416	380	352	20	22	4	653	600	164
400	290	427	400	366	20	22	4	660	615	178