Zfq-1 All-Weather Explosion-Proof Fire Retardant Breathing Valve

• Media: Water
• Standard: Water Vapour Oil
• Certification: CCC, RoHS, ISO, CE
• Temperature: High Temperature
• Connection: Flange
• Valve Seat: Double-Seat
• Model NO.: ZFQ-1
• Structure: Piston
• Material: Cast Iron
• Transport Package: Wooden Box
• Specification: DN15-DN800
• Trademark: XC
• Origin: China
• HS Code: 8421219990
• Production Capacity: 9999

Product Description

ZFQ-1 all-weather explosion-proof fire retardant breathing valve. The product sets the flame arrester and the breathing valve as one, and its novel structure is the first in China. It is a new type of safety equipment necessary for petrochemical storage tank. Its biggest advantages are good fire-resisting breathing performance, light weight and convenient maintenance.
Advantage point
Good fire resistance breathing performance, light weight,
Sexual performance
Choose cast steel and aluminum alloy, good corrosion resistance;
material
Stainless steel materials

Product profile

The product is suitable for storing class A oil with internal point below 28 ºC and Class B oil with flash point below 60 ºC, such as gasoline, benzine, methyl benzine, kerosene, light diesel oil, oil, crude oil and other oil products with the same nature of chemical products storage tank use, it works normally in the temperature environment of -35 ºC -60 ºC.
Performance and characteristics:
Shell selection of cast steel and aluminum alloy, good corrosion resistance;
Corrugated fire retardant layer is made of stainless steel material, good fire resistance, good corrosion resistance;
Simple structure, easy maintenance, safe and convenient;

Main technical parameters

 

Class A positive pressure	355Pa (36mm water column)
Negative pressure	295Pa (30mm water column)
Grade B positive pressure	980Pa (100mm water column)
Negative pressure	295Pa (30mm water column)
Grade C positive pressure	1765Pa (180mm water column)
Negative pressure	295Pa (30mm water column)

Parts materials

 

Body 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, tetrafluoroPTFE
Ambient temperature ºC	- 30 ~ 60
Operating pressure Pa	-295~ 98000-30mmH2O ~+10000mmH2O