Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
6 Assembly and Commissioning
36
Order number 2340851 | Edition 05/2022
6.7.3 Pressure Tightness Test
WARNING
Overpressure!
Risk of injury from bursting components.
4
The operating pressure must not exceed the value shown on the type plate.
1. Gradually increase the pressure in pump with the pressure regulator until maximum
pressure is reached. Maintain the pressure for 3 minutes and check all connection
points for leaks.
2. Carry out pressure relief in accordance with Chapter Pressure Relief / Work Interruption
38].
6.7.4 Verifying a Safe Operational Condition
A skilled person must check to ensure that the device is in a reliable state after it is
assembled and commissioned. This includes:
4
Carry out safety checks in accordance with Chapter Safety Checks and Maintenance
Intervals [
6.7.5 Filling with Working Product
4