QHXF-2000 All- Weather Pressure Vacuum Relief Valve
Model QHXF-2000 is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum.Costly product evaporation losses due to normal tank "breathing" are greatly reduced.Because it retains toxic vapous,atmospheric contamination is minimized.This helps to provide increased fire protection and safety.
Pressure settings 355pa to1950pa
Vacuum settings -295pa
All weather coating
Type A: +355pa(+36mmH2O) -295pa(-30mmH2O)
Type B: +980pa(+100mmH2O) -295pa(-30mmH2O)
Type C: +1950pa(+200mmH2O) -295pa(-30mmH2O)
Type D: according to user requirement (special pressure rating)
under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;
gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
-40 ºC -+60 ºC;
HT, AL, A3, 18-8, 304, 304L, 316, 316L.
HG20592-97 PN1.0 (also can be produced according to user specified criteria)
Q:Why choose us ?
A: we are a manufacturer, we have been manufacturing check valve more than 20 years.
Q. what is your payment term?
A: T/T 30% down payment, balance to be paid before shipment. or L/C.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.