Pfeiffer Vacuum OKTA 8000 G Operating Instructions Manual
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Pfeiffer Vacuum OKTA 8000 G Operating Instructions Manual

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OPERATING INSTRUCTIONS
EN
Translation of the Original
OKTA 8000 G
Roots Pump

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Summary of Contents for Pfeiffer Vacuum OKTA 8000 G

  • Page 1 OPERATING INSTRUCTIONS Translation of the Original OKTA 8000 G Roots Pump...
  • Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new roots pump should support you in your individual application with full performance and without malfunctions. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.

  • Page 3: Table Of Contents

    Table of contents Table of contents About this manual Validity 1.1.1 Applicable documents 1.1.2 Variants Target group Conventions 1.3.1 Instructions in the text 1.3.2 Pictographs 1.3.3 Stickers on product 1.3.4 Abbreviations Safety General safety information Safety instructions Safety precautions Product usage limits Proper use Foreseeable improper use Product description...
  • Page 4 Recycling and disposal General disposal information Dispose of Okta roots pumps Malfunctions Service solutions by Pfeiffer Vacuum Spare parts 12.1 Set of seals for version with RSSR 12.2 Set of seals for version with axial face seal 12.3 Axial face seal, complete 12.4 Maintenance kit for version with RSSR...
  • Page 5 Tbl. 8: Maintenance intervals Tbl. 9: Troubleshooting Tbl. 10: Accessories for Okta 8000 G Tbl. 11: Consumables Tbl. 12: Conversion table: Pressure units Tbl. 13: Conversion table: Units for gas throughput Tbl. 14: Technical data for Okta 8000 G 5/58...
  • Page 6 List of figures List of figures Fig. 1: Position of the stickers on the product Fig. 2: Design, Okta 8000 G Fig. 3: Functional diagram Okta G Fig. 4: Transporting the vacuum pump Fig. 5: Filling with lubricant Fig. 6: Filling sealing oil for radial shaft seal rings Fig.

  • Page 7: About This Manual

    Keep the manual for future consultation. 1.1 Validity These operating instructions are a customer document of Pfeiffer Vacuum. The operating instructions describe the functions of the named product and provide the most important information for the safe use of the device. The description is written in accordance with the valid directives. The information in these operating instructions refers to the product's current development status.

  • Page 8: Pictographs

    This section describes all the stickers on the product along with their meanings. Rating plate (example) The rating plate is located on the front side above the sight D-35641 Asslar glass Mod.: Okta 8000 G Mod.-No.: PP G80 xxx Ser. -No.: 12xxxxxxxxx max. 2200 1/min Oil: 21,0 l S(N): max.

  • Page 9: Abbreviations

    About this manual Fig. 1: Position of the stickers on the product 1 Hot surface warning sign Note on filling up lubricant 2 Rating plate Direction of rotation arrow (cast in pump housing) 3 D2 lubricant notice 1.3.4 Abbreviations Abbreviation Explanation Okta "G"...

  • Page 10: Safety

    Safety 2 Safety 2.1 General safety information The following 4 risk levels and 1 information level are taken into account in this document. DANGER Immediately pending danger Indicates an immediately pending danger that will result in death or serious injury if not observed. ►...
  • Page 11 Safety Risks during installation DANGER Danger to life from electric shock Touching exposed and voltage-bearing elements causes an electric shock. Improper connection of the mains supply leads to the risk of touchable live housing parts. There is a risk to life. ►...
  • Page 12 Safety Risks during operation WARNING Danger of poisoning due to toxic process media escaping from the exhaust pipe During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape freely into the air. There is a risk of injury and fatality due to poisoning in processes with toxic process media.

  • Page 13: Safety Precautions

    Safety WARNING Risk of crushing from rotating parts Fingers and hands may be caught by rotating pistons within the connection flange. This results in se- vere injuries. ► Keep limbs out of the reach of the roots pump. WARNING Health hazard and environmental damage from toxic contaminated lubricant Toxic process media can cause lubricant contamination.

  • Page 14: Product Usage Limits

    ► Adhere to the installation, commissioning, operating, and maintenance instructions. ► Use only accessory parts recommended by Pfeiffer Vacuum. 2.6 Foreseeable improper use Improper use of the product invalidates all warranty and liability claims. Any use that is counter to the purpose of the product, whether intentional or unintentional, is regarded as improper use;...
  • Page 15 Safety ● Use of the vacuum pump with open vacuum and/or fore-vacuum flange open to the atmosphere ● Using lubricants not specified by Pfeiffer Vacuum ● Lifting the vacuum pump without the prescribed eye bolts, for example on piping. ● Use of accessories or spare parts not listed in these instructions ●...

  • Page 16: Product Description

    The direction of flow of the vacuum pumps is vertical from top to bottom, so that any accumulating fluids cannot become deposited in the pump housing. Fig. 2: Design, Okta 8000 G 1 Lubricant filling plug Sealing gas connection (2×) 2 Vacuum flange...

  • Page 17: Identifying Product

    4 Main rotor Gas cooler 3.2 Identifying product To ensure unambiguous identification of the product when communicating with Pfeiffer Vacuum, always keep all of the information on the rating plate at hand. The following information is shown on the rating plates: ●...

  • Page 18: Transportation And Storage

    ● Fill the gear and bearing chambers with lubricant only once the final installation posi- tion is reached. Preparations for transport Pfeiffer Vacuum recommends keeping the transport packaging and original protective cov- Safe transport of the product 1. Observe weight specified on the rating plate.

  • Page 19: Storing Vacuum Pump

    Neither the suction chamber nor the pistons in the roots pump in the roots pump interior are provided with corrosion protection. Storage Pfeiffer Vacuum recommends storing the products in their original transport packaging. Procedure 1. Vacuum-seal both connection flanges. 2. Store the roots pump only in dry, dust-free rooms, within the specified ambient conditions.

  • Page 20: Installation

    ► Please refer to rating plate of the vacuum pump for type and quantity of intended lubricant. – Only the lubricant used during initial installation is permissible. – D2 is permitted as a replacement for D1. ► Contact Pfeiffer Vacuum if you want to use another type of lubricant. Consumables ● Lubricant Required tools ●...

  • Page 21: Filling With Sealing Oil

    Installation max. min. Fig. 5: Filling with lubricant 1 Sight glass, bearing chamber Sight glass, gear side 2 Lubricant filling plug Lubricant drain plug 3 Lubricant filling plug Lubricant drain plug Procedure 1. Unscrew both lubricant filler screws. 2. Fill the lubricant on both sides according to the sight glass. –...

  • Page 22: Fill The Sealing Medium For The Axial Face Seal

    Installation Fig. 6: Filling sealing oil for radial shaft seal rings 1 Oiler Consumable ● Sealing oil (lubricant) Procedure 1. Open the filler flap on the oiler. 2. Fill the oiler with lubricant to max. halfway. 3. Close the filler flap. 5.4 Fill the sealing medium for the axial face seal NOTICE Damage to the axial face seal due to aging of the sealing medium...

  • Page 23: Connecting The Vacuum Side

    Installation Fig. 7: Sealing agent container for axial face seal 1 Filler neck Sealing ring housing 2 Container Return line 3 Sight glass Cooling water connection 4 Drainage Compressed air connection 5 Feed line Procedure 1. Fasten the container for the sealing medium onto the base frame above the shaft feedthrough, or as the respective conditions allow.

  • Page 24: Connecting The Fore-Vacuum Side

    (optional). The dimensioning of the gas cooler and the cold gas circulation pipe is the responsibility of the operat- ing company. As an alternative, Pfeiffer Vacuum can assist you with the authorization of the dimension- ing.

  • Page 25: Connecting Cooling Water Supply

    Installation Fig. 8: Roots pump with tubular gas cooler 1 Vacuum flange Cooling water connection, inlet 2 Cooling gas connection Fore-vacuum connection 3 Fore-vacuum flange Gas cooler 4 Measurement connection Cold gas circulation pipe 5 Cooling water connection, outlet Temperature monitoring (option) 6 Measurement connection Procedure 1.

  • Page 26: Tbl. 6: Requirements On The Cooling Water Composition

    Installation Additional monitoring devices to be provided on site: ● Cooling water control valve ● Flow indicator, optional ● Cooling water pressure monitor, optional Parameter Cooling water Appearance ● filtered ● mechanically clear ● visually clear ● no turbidity ● no sediment ●...

  • Page 27: Connect To Mains Power Supply

    ► Route the mains connection in accordance with locally applicable provisions. ► Always provide a suitable mains fuse to protect the motor and supply cable in the event of a fault. – Pfeiffer Vacuum recommends the circuit breaker type "K" with slow tripping characteristic. NOTICE Motor damage from overheating Limited motor fan cooling capacity, caused by low speeds, causes the motor to overheat.

  • Page 28: Connecting Three-Phase Motor With 6-Pin Terminal Board

    Installation The vacuum pumps are equipped with three-phase motors for different voltages and frequencies. The applicable motor type is shown on the motor rating plate. Standard versions ● Three phase motor with PTC, without switch and mains cable 5.9.1 Connecting three-phase motor with 6-pin terminal board NOTICE Property damage from high starting torque The specific load behavior of the vacuum pump requires direct on-line starting at full motor power.

  • Page 29: Checking The Direction Of Rotation

    3. If the direction of rotation is incorrect, swap the 2 phases of the connection cable in the terminal box. 5.9.3 Connecting the PTC thermistor tripping unit Tripping units store the shut-down Pfeiffer Vacuum recommends connecting motors with PTC in the stator winding to a PTC resistor tripping device for protection against overload. 29/58...

  • Page 30: Connecting Accessories

    – Switching on mains detected as automatic RESET. 5.10 Connecting accessories Installation and operation of accessories Pfeiffer Vacuum offers a series of special, compatible accessories for its roots pumps. ● Information and ordering options for approved accessories can be found online.

  • Page 31: 2Installing Temperature Monitoring

    To protect the roots pump against thermal overload, a G 3/8" thread for connection of a thermometer (optional) is provided at the fore-vacuum flange of the roots pump. Pfeiffer Vacuum recommends the use of a head-mounted transmitter with 2 input channels.

  • Page 32: 3Inserting Splinter Shield

    Installation Fig. 15: Temperature monitoring 1 Locking screw of the measurement connection Installation dimension X 2 Fore-vacuum flange Thermometer Required tools ● Open-end wrench, WAF 17 Faulty temperature measurement The measurement is faulty if the installation dimension is not observed. No maximum val- ues will be measured.

  • Page 33: Operation

    Operation 6 Operation 6.1 Putting the vacuum pump into operation Before switching on 1. Check the lubricant levels on both sight glasses. 2. Compare the voltage and frequency specifications on the motor rating plate with the available mains voltage and frequency. 3. Make sure that the suction chamber is free from all foreign matters. 4.

  • Page 34: Adjusting The Sealing Gas Amount

    3. Set the desired quantity of sealing gas on the dosing valve of the inferential meter. Example for Okta 8000 G with e.g. 50 hPa intake pressure and 8 % sealing gas content = (8000 × 50 × 0.08)/1013 = = 31.6 Nm...

  • Page 35: Flushing The Suction Chamber

    Okta 500 G 0.5 l/min Okta 1000/1500G 1.0 l/min Okta 3000/4000 G 1.5 l/min Okta 8000 G 2.0 l/min Tbl. 7: Max. permissible flushing quantity 6.5 Switching off and venting WARNING Risk of crushing on rotating parts when reaching into the open flange The pistons continue to run in the vacuum after switching off the motor, and can trap fingers and hands within their reach.

  • Page 36: Restarting

    Operation Procedure with contaminated medium With media that heavily contaminate the suction chamber, flush the suction chamber with air, nitrogen or any other suitable flushing medium at the end of the process. 1. Close the shut-off valve in the vacuum line and disconnect the vacuum pump from the process. 2.

  • Page 37: Maintenance

    You can carry out maintenance work of Maintenance Level 1 by yourself. We recommend Pfeiffer Vacuum Service for carrying out maintenance work of Maintenance Level 2 and Maintenance Level 3 (revision). If the required intervals listed below are exceeded, or if mainte- nance work is carried out improperly, no warranty or liability claims are accepted on the part of Pfeiffer Vacuum.

  • Page 38: Changing The Lubricant

    Maintenance Action Inspec- Mainte- Mainte- Mainte- Required material tion nance lev- nance nance el 1 level 2 level 3 described in document Interval daily ≤ 1 year ≤ 1.5 ≤ 3 years years Inspection Visual and acoustic pump ■ check ●...

  • Page 39: Fig. 16: Changing The Lubricant

    The usable life may deviate from the reference value specified depending on thermic and chemical loads, or due to penetrating process media in gear and bearing chambers. Safety data sheets You can obtain the safety data sheets for lubricants from Pfeiffer Vacuum on request, or from the Pfeiffer Vacuum Download Center.

  • Page 40: Changing Sealing Oil

    Maintenance Filling with lubricant 1. Fill new lubricant on both sides until the max. fill level is reached (see chapter “Filling with lubri- cant”, page 20). 2. Screw in the lubricant filler screws. – Tightening torque: max. 50 Nm 7.4 Changing sealing oil NOTICE Damage to the vacuum pump due to incorrect procedure when filling sealing oil Disassembly of the lubricator causes leakage in the system.

  • Page 41: Checking And Changing The Sealing Medium Of The Axial Face Seal

    A decreasing oil level, with no leaked oil visible below the roots pump, is due to a worn inner radial shaft seal ring. ► Should this occur, arrange for maintenance to be carried out by Pfeiffer Vacuum Service, during which all 3 radial shaft seal rings and the protective sleeve are replaced.

  • Page 42: Installing Coupling

    Maintenance 7.7 Installing coupling WARNING Danger of injury due to exposed rotating parts In the operating range of the motor coupling, there is a danger of clothing being caught and wound ► When assembling the motor and coupling, make sure that the coupling protection is seated cor- rectly.

  • Page 43: Decommissioning

    The useful life of the lubricant is limited (max. 2 years). Prior to recommissioning, carry out the follow- ing operations following inactivity of 2 years or more: ► Observe the maintenance instructions – consult Pfeiffer Vacuum where necessary. ► Change the lubricant.

  • Page 44: Recycling And Disposal

    – Fluoroelastomers (FKM) – Potentially contaminated components that come into contact with media 9.2 Dispose of Okta roots pumps Pfeiffer Vacuum roots pumps from the Okta series contain materials that you must recycle. 1. Fully drain the lubricant. 2. Dismantle the motor.

  • Page 45: Malfunctions

    ► Wear personal protective equipment if necessary. NOTICE Danger of property damage from improper maintenance Unprofessional work on the vacuum pump will lead to damage for which Pfeiffer Vacuum accepts no liability. ► We recommend taking advantage of our service training offering.
  • Page 46 ● Switch off the vacuum pump immedi- ing or gear wheels ately. ● Contact Pfeiffer Vacuum Service. ● Damage to motor ● Switch off the vacuum pump immedi- bearing ately. ● Change the motor. ● If necessary, contact Pfeiffer Vacuum Service. Tbl. 9: Troubleshooting 46/58...

  • Page 47: Service Solutions By Pfeiffer Vacuum

    We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality.
  • Page 48 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.

  • Page 49: Spare Parts

    Spare parts 12 Spare parts ► Have the vacuum pump part number, and any other necessary details from the rating plate, to hand when ordering spare parts. ► Install original spare parts only. 12.1 Set of seals for version with RSSR The set of seals contains: ●...

  • Page 50: Accessories

    Accessories 13 Accessories View the line of accessories for Pfeiffer Vacuum roots pumps online at pfeiffer-vacuum.de. 13.1 Accessory information Sealing gas device The use of sealing gas at the bearing points protects the lubricant from contamination by the ingress of process media and flushing fluid into the bearing and oil chambers.

  • Page 51: Tbl. 11: Consumables

    Accessories Description Order number D2, synthetic diester based oil, 1 l PK 005 875 AT D2, synthetic diester based oil, 5 l PK 005 876 AT D2, synthetic diester based oil, 20 l PK 005 877 AT Tbl. 11: Consumables 51/58...

  • Page 52: Technical Data And Dimensions

    Technical data and dimensions 14 Technical data and dimensions 14.1 General Basis for the technical data of Pfeiffer Vacuum roots pumps ● Specifications according to PNEUROP committee PN5 ● ISO 21360-1; 2012: “Vacuum technology - Standard methods for measuring vacuum-pump per- formance - Part 1: General description”...

  • Page 53: Dimensions

    Sealing gas Ambient temperature 5 – 40 °C Shipping and storage temperature -10 – 40 °C Operating fluid Operating fluid amount 21 l Weight: without motor 1500 kg Tbl. 14: Technical data for Okta 8000 G 14.3 Dimensions Dimensions in mm 53/58...

  • Page 54: Fig. 19: Okta 8000 G

    DN 300 PN 10 (430) 1384 Dichtrille/sealary groove: Innen-/inner dia. Ø Außen-/outer dia. Ø Tiefe/depth 3.4 DN 300 PN 10 A ( 1 : 15 ) Ø Ø M20 (8x) M20 (12x) Ø 482.6 Ø Fig. 19: Okta 8000 G 54/58...

  • Page 55: Declaration Of Conformity

    ● Electromagnetic compatibility 2014/30/EU ● Restriction of the use of certain hazardous substances 2011/65/EU The authorized representative for the compilation of technical documents is Mr. Sebas- tian Oberbeck, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Aßlar, Germany. Roots pump Okta 8000 G...

  • Page 56: Declaration Of Conformity

    ISO 21360-1: 2020 ISO 21360-2: 2020 The manufacturer's authorized representative in the United Kingdom and the authorized agent for compiling the technical documentation is Pfeiffer Vacuum Ltd, 16 Plover Close, In- terchange Park, MK169PS Newport Pagnell. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43...
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