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Natural gas flame arrester

Products > Flame arrester and breathing valve > Natural gas flame arrester

Natural gas flame arrester

Model: the FPB
Nominal diameter: DN15-DN300mm, NPS1 / 2 "-12"
Nominal pressure: PN0.6 ~ 6.4Mpa;
Ambient temperature: 0 ~ 480 ℃
Main material: steel, stainless steel, alloy steel
connections: Flange connection and screw connection
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FPB Natural gas flame arrester Natural gas flame arrester Brief description
        FPB natural gas flame arrester Suitable for installation in the transport of combustible gases such as reheating furnace fuel gas, natural gas, liquefied petroleum gas, coal mine gas emissions pipeline, also applies to civilian gas pipe to prevent Under normal circumstances the flame propagation in the reverse pipeline to avoid catastrophic accidents. FPB natural gas flame arrester fire safety speed of 1425m / s, the ultimate fire resistance speed 1605m / s. FPB natural gas flame arrester is the use of metal corrugated board gap between the propagation of the sub-sonic or supersonic flame quenching effect of the original design and manufacturing. 

FPB natural gas flame arrester Natural gas flame arrester Product parameters and range

Model specifications: FPB DN15-DN300 (1/2 "-12") 
Material requirements : Shell and corrugated board material can refer to the series of pipe flame arrester Detailed parameters 
Working pressure : PN 0.6Mpa-5.0Mpa, high pressure to be specified by the customer 
Connection : flange connection and threaded 
flange standard and pressure rating : HG, GB for the common standard. 
Note: 1. The connecting flange of FPB natural gas flame arrester knot is designed and manufactured according to HG20592-97 concave-convex welded steel pipe flange with neck. The user should choose other standard connecting flanges, please specify in ordering. 
    2, PN> 4.0MPa gas pipeline flame arrester, the factory can also design and manufacture. 

FPB natural gas flame arrester dimensions

model

Nominal diameter DN

D1

D2

L

PN1.0MPa

PN1.6MPa

PN2.5MPa

PN4.0MPa

FPB-15

15

18 × 3

57 × 3.5

330

330

330

330

FPB-20

20

25 × 3

57 × 3.5

330

330

340

340

FPB-25

25

32 × 3.5

73 × 4

365

365

375

375

FPB-32

32

38 × 3.5

73 × 4

375

375

390

390

FPB-40

40

45 × 3.5

89 × 4

375

390

405

410

FPB-50

50

57 × 3.5

108 × 4

420

425

445

4650

FPB-65

65

73 × 4

133 × 4.5

485

485

515

520

FPB-80

80

89 × 4

159 × 4.5

505

520

560

560

FPB-100

100

108 × 4

219 × 8

555

560

600

645

FPB-125

125

133 × 4.5

278 × 8

615

620

670

720

FPB-150

150

159 × 4.5

325 × 8

665

665

735

800

FPB-200

200

219 × 8

377 × 9

940

950

1015

1100

FPB-250

250

278 × 8

480 × 10

1030

1070

1150

1265

FPB-300

300

325 × 8

529 × 10

1295

1295

1430

1545

FPB-350

350

377 × 9

630 × 12

1350

1350

1430

1545