Flame arrester

Product Overview

The flame arrester is suitable for pipelines, class a oil products with flash point lower than 28 ℃, oil products with hydrogen and oxygen liquefaction, kerosene, diesel oil and methylbenzene crude oil with flash point lower than 60 ℃. The flame arrester is suitable for transporting combustible gas on pipelines, torches, oil and gas recovery system, heating furnace fuel gas pipeline network, gas purification and communication system, gas analysis system and coal mine gas emission system.

Structural characteristics

The flame arrester has reasonable structure, light weight, corrosion resistance and qualified detonation resistance. It can resist fire in 13 consecutive subsonic flame tests.
Easy maintenance and installation.Qualified fire resistance, no tempering in 1 hour of fire resistance test.
The arrestor core is made of stainless steel, corrosion-resistant and easy to clean.The hydrostatic test of the shell is qualified.

Execution standard

Manufacturing and testing standards: GB5908-86, GB13347-92
Flange standard: HG20592-97

Performance parameter

Nominal diameter: DN20~600mm
Nominal pressure: 0.6~5.0MPa
Applicable temperature: ≤480℃
Main material: Carbon steel WCB, stainless steel 304, 316
Level of explosion-proof: BS5501: Ⅱ, Ⅱ, Ⅱ C B A

Product Dimensions

Model

DN

(mm)

PN
(MPa)

Dimensions(mm)

bolt

K

D

DL

L

Num

thread

GZW-20

DN20

1.6

75

105

195

200

4

M12

GZW-25

DN25

85

115

195

200

4

M12

GZW-40

DN40

110

150

245

240

4

M16

GZW-50

DN50

125

165

245

240

4

M16

GZW-80

DN80

160

200

280

250

8

M16

GZW-100

DN100

180

220

335

260

8

M16

GZW-150

DN150

240

285

460

360

8

M20

GZW-200

DN200

295

340

520

420

12

M20

GZW-250

DN250

355

405

580

430

12

M24

GZW-300

DN300

410

460

705

450

12

M24

GZW-600

DN600

770

840

1120

580

20

M33

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