Gas type
Dry nitrogen or air
Gas temperature
0...60 °C
Max. gas pressure
13000 hPa
Recommended pressure setting at the pressure regulating
valve
3000 hPa
Filtration
5 μm
Recommended flow rate
Hepta 450 L: 10...15 SLM
Hepta 650 L: 15...20 SLM
Air quality (for compressed air only)
According to ISO 8573-1, Class 5.4.4.
Tbl. 8:
Requirements for the sealing gas
5.6 Fill lubricant
NOTICE
Property damage from using non-approved lubricant
Attainment of product-specific performance data is not ensured. If non-approved lubricants are used,
all liability and warranty claims against Pfeiffer Vacuum are excluded.
► Use approved lubricant only.
► Use alternative, application-specific lubricants only following consultation with Pfeiffer Vacuum.
Checking the fill level
The correct fill level is between the MIN/MAX markings or within the ring mark on the sight
glass.
The lubricant type is listed on the rating plate
1. Refer to rating plate of the vacuum pump for type and quantity of intended lubricant.
2. Only use the lubricant which was applied during initial installation.
– Contact Pfeiffer Vacuum if you want to use another type of lubricant.
Required consumable material
● Lubricant
Required tool
● Open-end wrench,
WAF 38
Required aids
● Funnel (optional)
Installation
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