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Model: the HGS
Nominal diameter: DN15 ~ 250mm
Nominal pressure: PN0.6 ~ 5.0MPa
Main material: carbon steel, stainless steel flame arrester corrugated board
Scope: pipes, flash point below 28 ℃ CPI chemical, pharmaceutical, alcohol, food, flash point below 60 deg.] C oil
Connection: flanged (II) a threaded connection (III) male thread (IV)
Design standards: GB5908-86, GB1347-92
Flange standard: HG 20592 -97, ANSI B 1.6, GB HGJ SH JB

HGS Gravel flame arrester Structural features:

1, reasonable structure, light weight, corrosion-resistant.

2, easy maintenance, easy installation.

3, flame arrester core gravel material, corrosion-resistant, easy to clean.

HGS gravel flame arrester performance:

1, Explosion-proof performance qualified, continuous 13 burst resistance test, each time can resist fire.     

2, fire-resistant performance qualified, anti-virus, anti-corrosion.

3, shell water pressure test qualified.

4, explosion-proof performance: Ⅱ B level.

HGS gravel flame arrester Technical parameters:

Nominal diameter DN (mm)	structure size
	D × S	H	h
15	57 × 3.5	320	180
20	57 × 3.5	320	185
25	89 × 4	320	240
32	89 × 4	320	240
40	108 × 4	405	285
50	133 × 4.5	405	285
65	159 × 5	453	316
80	159 × 5	487	350
100	190 × 5	501	380
125	219 × 7	555	415
150	275 × 7	620	440
200	325 × 10	695	510
250	426 × 10	750	530