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E-mail
ytwrd13054551177@163.com
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Phone
13054551177
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Address
No.1 Maoyuan Road, Industrial Park, Laishan District, Yantai City
Product Categories
Yantai Wanrunda Petrochemical Equipment Co., Ltd
QZF-89 all-weather breathing valve
NegotiableUpdate on 11/21
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Overview
This valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering. Performance and features: The valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss ..
Product Details
Main purpose:
This valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering.
Performance and features:
This valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering.
The valve has the characteristics of high ventilation, low leakage, corrosion resistance, and is equipped with an electrostatic grounding wire to maintain an equipotential between the valve and the tank.
The valve has anti freezing performance and is suitable for cold regions.
Operating pressure:
A-grade positive pressure: 355Pa (36mmH2O)
B-level positive pressure: 980Pa (100mmH2O)
C-level positive pressure: 1765Pa (180mmH2O)
D-level positive pressure: 98000Pa (10000mmH2O)
Negative pressure: 295Pa (30mmH2O)
Main appearance and flange connection dimensions:
QZF-89 fire damper national standard flange connection external dimensions: GB, JB
This valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering.
Performance and features:
This valve is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering.
The valve has the characteristics of high ventilation, low leakage, corrosion resistance, and is equipped with an electrostatic grounding wire to maintain an equipotential between the valve and the tank.
The valve has anti freezing performance and is suitable for cold regions.
Operating pressure:
A-grade positive pressure: 355Pa (36mmH2O)
B-level positive pressure: 980Pa (100mmH2O)
C-level positive pressure: 1765Pa (180mmH2O)
D-level positive pressure: 98000Pa (10000mmH2O)
Negative pressure: 295Pa (30mmH2O)
Main appearance and flange connection dimensions:
QZF-89 fire damper national standard flange connection external dimensions: GB, JB
