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CN | EN

Flame retardant explosion-proof pipe flame arrester

Technical Parameters

Product model: GZW-I
Nominal pressure: PN1.0~6.4MPa
Nominal diameter: DN25~DN600mm
Connection method: flange, welding, thread
Applicable temperature: -20 ℃~+440 ℃
Manufacturing material: A105304316316L
Applicable media: Various non corrosive or weakly corrosive gas media such as air, natural gas, liquefied gas, etc

Product Details

Product Overview
GZW-I, GYW-I flame-retardant explosion-proof pipeline flame arrester adopts a special flame arrestor with a combined structure of 3 to 13 meshes. It can prevent 13 passes of subsonic flames. Effectively ensuring the safety of the pipeline system. Widely used in petrochemical, boiler, gas purification, coal mine gas discharge and other occasions. To meet the requirements of different working conditions, our company produces this product in two types: the commonly used flange pipeline type and the special welded high-pressure pipeline type. The main body can be made of cast steel or stainless steel 304 or 316L materials. It has the characteristics of reasonable structure, light weight, corrosion resistance, safe and reliable use, and qualified explosion-proof performance.

Main Features
GZW-I deflagration resistant pipeline flame arrester is a new type of combustible gas pipeline flame arrester, which is a new product.
The flame arrester has been jointly tested by the University of Science and Technology of China and the Tianjin Fire Research Institute of the Ministry of Public Security, and its performance fully complies with the provisions of GB13347-92 Fire Retarding Performance and Test Methods of flame arrester for Petroleum and Gas Pipelines. The flame arrester has reasonable structure, and the flame retardant layer is made of stainless steel, which is corrosion resistant and easy to clean. The shell is made of various materials such as stainless steel, carbon steel, and cast steel, which can meet the needs of various process pipelines.

Main purpose
1. On pipelines transporting flammable gases.
2. Flare system.
3. Oil and gas recovery system.
4. Heating furnace fuel gas pipeline network.
5. Gas purification and purification system.
6. Gas analysis system.
7. Coal mine gas discharge system. Main performance 1. The flame arrester has been tested with subsonic flame for 13 consecutive times, and each time it can prevent the flame from passing.
8. There is no leakage during the water pressure test of 2.4MPa.


Main overall connection dimensions

model

WT
( Kg/tower)

PN
(MPa)

Overall dimensions(mm)

bolt

K

D

DL

L

number

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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