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Explosion and combustion proof flame arrester

1.DN-GZW series new type explosion and combustion proof flame arrester is suitable for kind A oil in which the flash point of medium is below 28 ℃ and crude oil, gasoline, kerosene, toluene, high-gravity oil in which the flash point is below 60 ℃. Its function is to permit inflammable gas passing. It possesses resisting and asphyxy function to flame. The limit fire retardant speed is 435m/s.

2.The property of fire retardant of this new type explosion and combustion proof flame arrester is determined by National University of Defense Technology, Tianjin Research Institute of Fire Fighting Science and is conformity with the regulation specified in GB 13347:《The quenching ability of flame arrester and its test method for petroleum gas piping systems》(GJXJ [2003] No. 42).。

3.This new type flame arrester possesses reasonable structure and is beautiful in pattern. Its case may be made of carbon steel, cast steel, aluminum alloy and stainless steel, etc. the core of fire retardant layer is made of stainless steel. It has many advantage properties, e.g. strong in corrosion resistant property, combustion resist, explosion retardant, etc. it is a replacement product for ripple net pattern type flame arrester.

4.This flame arrester can be used independently and together with breather valve. It is suitable for different fields, e.g. transporting flammable gas pipeline, torch system, oil/gas recovery system,gas analytical system and coal mine gas discharge system, etc.

Nominal pressure:1.6MPa

Specification

DN20

DN25

DN40

DN50

DN80

DN100

DN150

DN200

DN250

DN300

DN600

D

105

115

150

140

185

205

260

315

370

460

840

D2

75

85

110

110

150

170

225

280

335

410

770

L

195

195

245

220

280

325

427

496

593

705

1120

H

200

200

240

236

270

274

628

306

320

450

580

Bolt specification
(mm)

M12

M12

M16

M16

M16

M16

M20

M20

M24

M24

M33

Bolt number

4

4

4

4

8

8

8

12

12

12

20

Weight(Kg)

2

3

4

6

12.8

19.5

25

35

46

66

300