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Shanghai Hengxing Pump and Valve Manufacturing Co., Ltd
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FP series oxygen pipeline flame arrester
FP series oxygen pipeline flame arrester .....
Product details

FP series oxygen pipeline flame arrester

summary:

The FP-XT oxygen pipeline flame arrester and the FPV-XT oxygen pipeline valve front and rear flame arresters are welded with special copper alloy and stainless steel. It can effectively prevent the "adiabatic compression" that is easily formed when the oxygen pipeline valve suddenly opens, causing a sudden rise in local temperature and becoming a source of ignition energy; It can prevent high-speed moving particles (such as rust, dust, welding slag, etc.) from rubbing and colliding with the pipeline behind the valve under the pressure difference before and after the valve, generating sparks and becoming ignition energy. The use of flame arresters can quickly block the source of fire and prevent the occurrence of combustion accidents in pipelines.

Purpose:

This product is widely used in oxygen transportation pipelines in industries such as metallurgy and chemical engineering. It can effectively cut off the fire source caused by the rapid friction between debris and pipe walls in high-speed airflow, and prevent pipeline explosion accidents from occurring. Users can directly weld and connect this product to the appropriate part of the oxygen pipeline for operation. This flame arrester is suitable for use as a flame arrester in oxygen pipelines with a diameter of DN15-500mm and a working pressure not exceeding 3MPa.There are flange and internal thread connections.


Performance and Material

Nominal diameter (DN)

15-500

Nominal pressure (MPa)

1.6

2.5

test pressure
(MPa)

strength

2.4

3.75

seal

1.76

2.75

Applicable Medium

oxygen

Flame retardant material

copper

Joint material

stainless steel


Main appearance and connection dimensions

Nominal diameter DN
FP-XT oxygen pipeline flame arrester
FPV-XT oxygen pipeline valve front and rear flame arresters
Model specifications
D
L
Model specifications
D
L
15
FP-1.5T
18
600
FP-1.5T
18
1600
20
FP-2.0T
25
600
FP-2.0T
25
1600
25
FP-2.5T
32
600
FP-2.5T
32
1600
32
FP-3.2T
38
600
FP-3.2T
38
1600
40
FP-4.0T
48
600
FP-4.0T
48
1600
50
FP-5.0T
57
700
FP-5.0T
57
1700
65
FP-6.5T
76
700
FP-6.5T
76
1700
80
FP-8.0T
89
700
FP-8.0T
89
1700
100
FP-10T
108
700
FP-10T
108
1700
125
FP-12.5T
133
700
FP-12.5T
133
1700
150
FP-15T
159
800
FP-15T
159
1800
200
FP-20T
219
800
FP-20T
219
1800
250
FP-25T
273
800
FP-25T
273
1800
300
FP-30T
325
800
FP-30T
325
1800
350
FP-35T
377
800
FP-35T
377
2050
400
FP-40T
426
800
FP-40T
426
2300
450
FP-45T
480
800
FP-45T
480
2550
500
FP-50T
530
800
FP-50T
530
2800

Note: 1. Pipeline nominal pressure PN=4MPa
2. Please specify the material and specifications of the oxygen pipeline when placing an order, so that suitable connecting materials can be selected.
3. According to user needs, flame arresters can adopt flange structures, and the flanges are designed according to JB/T82.2-94 standards.

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