24/7 single breathing valve QBF7

NegotiableUpdate on 01/07

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

24/7 single breathing valve QBF7

Product Details

24/7 single breathing valve QBF7

overview
The all-weather single breathing valve is designed according to the national standard "Fire Protection Code for Petrochemical Enterprise Design" (GB50160-92): "Fixed top tanks for Class A and Class B liquids should be equipped with flame arresters and breathing valves. It can be seen that breathing valves and flame arresters are indispensable safety facilities for storage tanks. It can not only maintain the pressure balance of the storage tank, ensuring that the tank is not damaged in case of overpressure or vacuum, but also reduce the volatilization and loss of the medium inside the tank. The breathing valves produced by our company have the characteristics of compact structure, large ventilation capacity, small leakage, and good sealing performance.

Component materials

Material	Carbon steel WCB, stainless steel 304, 316, aluminum alloy
Positive pressure valve disc material	Stainless steel 304, 316, aluminum alloy
Negative pressure valve disc material	Stainless steel 304, 316, PTFE PTFE
Environmental temperature ℃	-30~60

Flange connection size

DN	50	80	100	150	200	250	300
H	250	400	400	470	550	620	700
H1	110	160	160	200	250	290	320
L	300	420	420	520	650	760	880
L1	165	250	250	320	400	480	550

DN	50	80	100	150	200	250	300
H	250	400	400	470	550	620	700
H1	110	160	160	200	250	290	320
L	300	420	420	520	650	760	880
L1	165	250	250	320	400	480	550

DN	50	80	100	150	200	250	300
H	250	400	400	470	550	620	700
H1	110	160	160	200	250	290	320
L	300	420	420	520	650	760	880
L1	165	250	250	320	400	480	550

DN	50	80	100	150	200	250	300
H	250	400	400	470	550	620	700
H1	110	160	160	200	250	290	320
L	300	420	420	520	650	760	880
L1	165	250	250	320	400	480	550