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General| Brand | Pfeiffer Vacuum |
|---|---|
| Model | DUO 125 |
| Category | Water Pump |
| Language | English |
Manual's validity and scope, including product development and customer changes.
Defines safety instruction levels, hazard symbols, and document conventions.
General safety rules, duty to inform, and precautions for installation and operation.
Specifies required personal protective equipment for handling vacuum pumps.
Guidelines for correct usage of the vacuum pump, including EC conformity.
Defines improper uses that forfeit warranty and liability claims.
Instructions for safely transporting the vacuum pump, including lifting and securing.
Guidelines for storing the pump indoors, including temperature and humidity recommendations.
Information on identifying the product using the rating plate details.
Describes the dual-stage rotary vane pump mechanism and magnetic coupling version.
Requirements for installation location, including altitude, temperature, and surface.
Instructions for connecting the vacuum side, including flange and hose connections.
Guidelines for connecting the exhaust line, considering pressure and condensate.
Instructions for electrical connection, safety precautions, and voltage/frequency matching.
Procedure to check and correct motor rotation direction to prevent fluid leakage.
Details on PTC temperature sensors and tripping devices for motor overload protection.
Describes operation using frequency converters for variable rotation speeds.
Instructions for filling the pump with approved operating fluids, including levels and types.
How to install and connect a pressure switch for monitoring pump operations.
Checks and preparations before starting the pump, including fluid level and connections.
Procedure for switching on the pump, including warm-up and fluid level checks.
Operating the pump with condensable gases using the gas ballast valve.
Describes installing and using a solenoid valve for gas ballast or flushing gas control.
Procedure for topping up the operating fluid to the correct level during operation.
Steps for safely switching off the pump and venting the vacuum chamber.
Safety warnings for maintenance, including moving parts, pumped media, and magnetic couplings.
Provides a checklist and intervals for inspection, maintenance, and overhaul activities.
Guidance on when and how to change the operating fluid, including warnings for hot fluid.
Methods for determining operating fluid deterioration using color scale and testing.
Procedure for flushing the pump when heavily contaminated with process residues.
Instructions for changing between mineral and synthetic operating fluids, including flushing.
Steps for dismantling, cleaning, and re-setting the silencer.
Procedure for opening the filter housing and cleaning or replacing the filter insert.
Instructions for assembling crown gear couplings, including shaft alignment and clearance.
Procedure for removing and installing the motor on pumps with magnetic coupling.
Procedure for shutting down the pump for extended periods to prevent corrosion.
Steps for re-starting the pump after a shut-down, including fluid serviceability.
Guidelines for safely disposing of pump components and materials according to regulations.
Troubleshooting guide for common pump problems, causes, and remedies.
Steps for fast servicing: downloading forms, sending requests, and preparing shipments.
Procedures for handling and returning contaminated pumps, including neutralization.
Service orders are carried out according to repair conditions for vacuum units and components.
List of spare parts packages applicable for standard models, with part numbers and descriptions.
Further accessories are detailed in the Pfeiffer Vacuum printed or Online Catalogue.
References to PNEUROP committee recommendations and ISO standards for vacuum technology.
Detailed technical specifications for Duo 125 and Duo 125 M pumps.
Dimensional drawings and specifications for DUO 125 and DUO 125 M pumps.
Lists harmonised and national standards applied to the product for compliance.
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