Endress+Hauser Liquistation CSF33 - Page 14

Installation Liquistation CSF33
14 Endress+Hauser
4.1.4 Connection for suctioning samples
• Maximum suction height:
• Vacuum pump: Standard 6 m (20 ft)
• Peristaltic pump: standard 8 m (26 ft)
• Maximum hose length: 30 m (98 ft)
• Hose connection diameter
• Vacuum pump: 13 mm (1/2")
• Peristaltic pump: internal diameter of 10 mm (3/8")
• Intake speed:
> 0.6 m/s (> 1.9 ft/s) for 10 mm (3/8") ID, as per Ö 5893, US EPA
> 0.5 m/s (> 1.6 ft/s) for ≤ 13 mm (1/2") ID, in accordance with EN 25667, ISO 5667
Note the following when erecting the device:
• Always route the suction line so that it slopes upwards from the sampling point to the
sampler.
• The sampler must be located above the sampling point.
• Avoid siphoning effects in the suction line.
Requirements for the sampling point:
• Do not connect the suction line to pressurized systems.
• Use the suction filter to impede coarse and abrasive solids and solids which can cause
clogging.
• Immerse the suction line in the direction of flow.
• Take the sample at a representative point (turbulent flow, not directly at the bottom of the
channel).
Useful sampling accessories
Suction filter:
Impedes coarser solids and solids which can cause clogging.
4.1.5 Connection for sample intake on version with pump
• Maximum suction height:
• Vacuum pump: Standard 6 m (20 ft)
• Peristaltic pump: standard 8 m (26 ft)
• Maximum hose length: 30 m (98 ft)
• Hose connection diameter
• Vacuum pump: 13 mm (1/2")
• Peristaltic pump: internal diameter of 10 mm (3/8")
• Intake speed:
> 0.6 m/s (> 1.9 ft/s) for 10 mm (3/8") ID, as per Ö 5893, US EPA
> 0.5 m/s (> 1.6 ft/s) for ≤ 13 mm (1/2") ID, in accordance with EN 25667, ISO 5667
Note the following when erecting the device:
• Always route the suction line so that it slopes upwards from the sampling point to the
sampler.
• The sampler must be located above the sampling point.
• Avoid siphoning effects in the suction line.