Main Specifications
Nominal Pressure 0.6 1.0 1.6 2.0 2.5 4.0 5.0 6.4 10
Shell Test Pressure 0.9 1.5 2.4 3.0 3.8 6.0 7.5 9.6 15
High Pressure Sealing Test 0.66 1.1 1.76 2.2 2.75 4.4 5.5 7.04 11
Applicable Medium & Temperature QBQ341W water, vapor, pulp and other solutions. t=425?
QBQ341H Natural gas, coal gas, liquefied gas crude oil, heavy oil. t=425?
QBQ341M Conveying of solutions and ore slurry. t=425?
QBQ941M1 Alumina powder, coal powder, coal ash, dusty gas, waste residues, etc. t=350?
Note: The pressure of air sealing test is 0.6 MPa in all cases.
worm-gear drive eccentric hemisphere valve




