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Summary of Contents for Pfeiffer Vacuum ONF 025
- Page 1 ONF 025/040, ONF 025/040 C Oil Mist Filter Operating Instructions...
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Page 2: Table Of Contents
Table of contents Table of contents About this manual ..........3 1.1 Validity. -
Page 3: About This Manual
About this manual Validity This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning of the designated product and provides the most important information for safe use of the unit. The description follows applicable EU guidelines. All information provided in this operating manual refers to the current state of the product's development. -
Page 4: Safety
Safety Important information about the product or this document Work instruction: here you have to do something. Instructions in the text ONF: Oil mist filter Abbreviations used KAS: Condensate separator C version: Corrosive gas version ORF: Oil return device Safety Safety precautions Duty to inform... -
Page 5: Transport And Storage
Transport and storage Storage The ONF 025/040, ONF 025/040 C should be stored dry and protected from moisture. The filter inserts can absorb moisture, and the lubrication properties of the oil and hence the ultimate pressure can be negatively influenced in pumps with an oil return unit. -
Page 6: Function
(exhaust flange of rotary vane pump) Fig. 2: ONF 025 If the operating fluid accumulated in the ONF reaches a specified level, the operating flu- Operating fluid return id is channeled via differential pressure back into the rotary vane pump. Condensate con-... -
Page 7: Installation
Installation Installation Assembly To install the ONF in a vacuum system, an ISO small flange or ISO clamp flanges are provided on the input side and output side. The flanges are provided with protective caps when delivered to protect the seals. If gases are pumped that may not enter the atmosphere, an exhaust line must be con- nected to the small flange on the pressure relief valve. -
Page 8: Installing The Operating Fluid Return Line
O N F 0 O N F 0 2 5 C 224/144 220/138 45/148 Fig. 3: ONF 025 with operating fluid return line Operating fluid drain screw 138 O-ring 223 Hose clip Hose 144 O-ring 224 Reducing piece Gas ballast valve... - Page 9 Installation Prior to conversion work check the pump's ultimate pressure to get a reference value. ONF 040, ONF 040 C For this purpose, measure the ultimate pressure at the intake side with a vacuum gauge (e.g. Pirani). ONF 040 ONF 040 C 4.1/ Fig.
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Page 10: Operation
Operation Operation NOTICE Damage to the pump due to condensate in the operating fluid! Returned condensate generated by vapors or by temperature differences between the oil mist filter and pump impairs the quality of the operating fluid and negatively impacts the pump's final vacuum. - Page 11 Maintenance Unscrew operating fluid drain screw 15. Drain off operating fluid. Separate the operating fluid from the condensate. – If the drained operating fluid is free of contamination, it can be fed back to the rotary vane pump. ...
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Page 12: Changing The Filter Element
Maintenance Changing the filter element The filter insert must be exchanged or cleaned when the exhaust pressure increases un- til the pressure relief valve 31 opens and oil mist exits. ONF 025 2 5 4 3 Fig. 5: ONF 025... - Page 13 Maintenance Replace cover seal 9, mind that the sealing surfaces are not damaged. Loosen deflector 10 if required. Remove washer 18, pay attention to seal 19. Replace seals 19 and O-rings 20 (if existing). Replace filter elements 12; cleaning is not recommended in most cases. Use organic solvents to clean them (not water-soluble agents such as soda).
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Page 14: Inspecting And Cleaning Orf 005
Maintenance Inspecting and cleaning ORF 005 Maintenance is reduced to cleaning and changing of the elastomere parts. Fig. 7: ORF 005 inspecting and cleaning Housing Banjo fitting Cylinder bolt Cover Clamping plate Cylinder head screw Floater Operating fluid return line Cylinder head screw Sight glass O-ring... -
Page 15: Service
The following steps are necessary to ensure a fast, smooth servicing process: Download the forms "Service Request" and "Declaration on Contamination". Fill out the "Service Request" form and send it by fax or e-mail to your Pfeiffer Vacuum service address. -
Page 16: Technical Data
ORF 005 Weight 1.4 kg 10.1 Dimensions DN 1 DN 16 ISO-KF (C-Version) DN 2 Fig. 8: ONF 025 C, ONF 040 C Dimensions ONF 025, ONF 040 ONF 025 C ONF 040 C 198 mm 336 mm 140 mm... -
Page 17: Spare Parts
Pfeiffer Vacuum. 11.1 Spare parts packages Spare parts package Model Version Consisting of Maintenance kit ONF 025 standard PK E17 002 -T 9, 12, 19 C version PK E17 005 -T 9, 12, 19... -
Page 18: Disposal
Disposal ONF 040 14 5 4 2 3 31.1 5 4 2 3 15 19 Fig. 10: ONF 040 Housing Screw O-ring Valve housing Cover seal Washer Adjusting nut Deflector Seal Compression spring Filter insert O-ring Sealing element O-ring Pressure relief valve Cover with pressure Drain screw 31.1 Pressure relief valve, c version... - Page 19 Vacuum solutions Pfeiffer Vacuum stands for innovative and custom from a single source vacuum solutions worldwide, technological perfection, competent advice and reliable service. From a single component to complex systems: Complete range We are the only supplier of vacuum technology of products that provides a complete product portfolio.
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