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

QBQ641W

water, vapor, pulp and other solutions.              t≤425℃

QBQ641H

Natural gas, coal gas, liquefied gas crude oil, heavy oil. t≤425℃

QBQ641M

Conveying of solutions and ore slurry.              t≤425℃                               

QBQ641M1

Alumina powder, coal powder, coal ash, dusty gas, waste residues, etc.                                          t≤350℃