Bellows type flame arrester

New corrugated ZGB - 1 oil tank flame arrester by the ministry of public security fire research institute of tianjin according to the law of the People's Republic of China GB5908-86 standard test qualified, the product is widely used in oil storage tank, is to prevent accidental fire into the tank, to prevent accidents, is an ideal storage tank fire protection products.
The flame arrester is suitable for a, oil pipelines, flash less than 28 ℃, hydrogen and oxygen liquefaction and flash point below 60 ℃ of kerosene, diesel oil, a clumsy, crude oil, etc., can be used with breather valve, and can be used alone, internal floating roof tank ventilation tube, gas station underground oil tank on the vent.

body material	Carbon steel WCB, stainless steel 304, 316,
Flame retardant core material	Stainless steel anti fire ripple plate
Seal material	Oil resistant asbestos rubber, PTFE PTFE
Ambient temperature	≤480
Nominal pressure(MPa)	0.6~5.0
Explosion proof grade	BS5501:ⅡA、ⅡB、ⅡC

• the flame arrester has reasonable structure, light weight, corrosion resistance and qualified anti-detonation performance. It can stop fire for 13 consecutive subsonic flame tests.
• easy maintenance, easy installation, no need to remove the breathing valve during inspection. The fire resistance is qualified, and there is no tempering phenomenon in the fire resistance test for 1 hour.
• arrester core is made of stainless steel, corrosion resistant and easy to clean. Shell water pressure test qualified.

Standard flange connection outline dimensions： GB、JB

Specifications	Installation dimensions（mm）
	D2	D	L	H	N-d
DN50	Ø110	Ø140	220	235	4×14
DN80	Ø150	Ø185	280	270	4×18
DN100	Ø170	Ø205	325	275	4×18
DN150	Ø225	Ø260	425	290	8×18
DN200	Ø280	Ø315	495	305	8×18
DN250	Ø335	Ø370	595	320	12×18
DN300	Ø395	Ø435	655	405	12×23

American Standard flange dimensions：ANSI、API、ASME 可供JISstandard：

Specifications	Installation dimensions（mm）
	D2	D	L	H	N-d
2"	Ø120.5	Ø152	220	235	4×19
3"	Ø152.5	Ø190	280	270	4×19
4"	Ø190.5	Ø229	325	275	8×19
6"	Ø241.5	Ø279	425	290	8×22
8"	Ø298.5	Ø343	495	305	8×22
10"	Ø362	Ø406	595	320	12×25
12"	Ø432	Ø483	655	405	12×25