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Summary of Contents for Welch 2019C-02
- Page 1 Operation Manual (EN) Translation of the german original manual Diaphragm pumps Models: ► 2019C-02 (230V / 50Hz) ► 2019B-01 (115V / 60Hz) ► 2019C-50 (230V / 50Hz) 2019 2017-02-08...
- Page 2 1601 Feehanville Drive 98693 Ilmenau Suite 550 Germany Mt. Prospect, IL 60056 T +49 3677 604 0 F +49 3677 604 131 welch.emea@gardnerdenver.com T +1 847 676-8800 www.welchvacuum.com F +1 847 677-8606 welch.na@gardnerdenver.com Customer Support +49 3677 604 0 www.welchvacuum.com...
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Page 3: Table Of Contents
Contents Contents Important Information ......................4 General Information ........................4 Target Groups ........................... 4 Intended Use ..........................4 Use for an Unauthorized Purpose .................... 4 Safety Devices .......................... 5 Meaning of the Warning notes ....................5 Product Standards, Safety Regulations ..................5 Basic Safety Instructions ....................... -
Page 4: Important Information
Important Information Important Information General Information The Diaphragm Pumps conform to the following directives: 2006 / 42 / EC Machinery Directive 2014 / 30 / EU Electromagnetic Compatibility Directive The CE sign is located on the rating plate. Observe the binding national and local regulations when fitting the pump into installations! Target Groups This Operating Manual is intended for the personnel planning, operating and maintaining Diaphragm Pumps. -
Page 5: Safety Devices
Important Information Safety Devices Measures such as the following are for the safety of the operating personnel: electrical connection with a protective conductor (operating mode S1) and an earthing plug Motor protection device (thermal) “Hot Surface" label on the pump - warning notice The Diaphragm Pumps must not be operated without these elements. -
Page 6: Basic Safety Instructions
Basic Safety Instructions Basic Safety Instructions General Information Warning notices must be observed. Disregarding them may lead to damage to health and property. The Diaphragm Pumps must be operated by personnel who can detect impending dangers and take action to prevent them from materialising. The manufacturer or authorized authorised workshops will only service or maintain the Dia- phragm Pumps if it is accompanied by a fully completed damage report. -
Page 7: Hazardous Substances
Basic Safety Instructions Hazardous Substances ACHTUNG ! The operating company bears the responsibility for the use of the Diaphragm Pumps. Hazardous substances in the gases to be pumped can cause personal injuries and property damage. Pay attention to the warning notices for handling hazardous sub- stances. -
Page 8: Description
Description Description Design 3.1.1 Connections - Suction- / Pressure side Exhaust Vacuum connection connection Pressure side (2) Suction side (1) ► Suction side - Connection: Hose nozzle DN 8 (1) ► Pressure side - Connection: Exhaust silencer (2) or hose nozzle DN 8 ►... -
Page 9: Display - Vacuum Regulator
Description 3.1.3 Display - Vacuum Regulator The Vacuum Regulator shows pressures at below atmospheric pressure. The reference point for the gauge is atmospheric pressure. WARNUNG ! Please keep in mind that the barometric pressure changes from day to day. This also changes the displayed pressure values because of latent air pressure fluctuations. -
Page 10: Materials Of The Medium-Affecting Pump Parts
Description Materials of the medium-affecting pump parts Component Materials Seal EPDM Hose nozzle PVDF Piston cup seal PTFE - Compound Pump head Aluminium with corrosion protection Separator vessel Plastic Scope of Delivery The scope of delivery is specified in the supply contract. Accessories Figure Designation / Usage... -
Page 11: Technical Data
Technical Data Technical Data Parameter Unit 2019B-01 2019C-02 1.9 / 2.3 Pumping speed 50/60 Hz at atmospheric pressure l / min 31 / 37 Ultimate pressure mbar Hose nozzle DN 8 Suction connection for hose inside diameter 8 mm Hose nozzle DN 8... -
Page 12: Installation And Operation
Installation and Operation Installation and Operation Unpacking Carefully unpack the Diaphragm Pump. Check the pump for: Transport damage, Conformity with the specifications of the supply contract (model, electrical supply data), Completeness of the delivery. Please inform us without delay if there are discrepancies between the delivery and the con- tractually agreed scope of delivery, or if damage is detected. -
Page 13: Exhaust Connection (Pressure Side)
Installation and Operation 5.2.2.3 Exhaust connection (Pressure side) The exhaust connection (pressure port) also consists of a hose nozzle DN 8. Thick-walled rubber vacuum hose 8 x 5 mm hose nozzle DN 8. PVC fabric hose and hose clamp 8 x 3 mm clamping range 8 - 16 mm. Operation CAUTION ! Observe the basic safety instructions when using the Diaphragm Pump,... -
Page 14: Maintenance And Servicing
Maintenance and Servicing Maintenance and Servicing Diaphragm Pumps are 100% oil-free. All bearings are sealed and permanently lubricated. Maintenance Performed by the User WARNING ! Only perform the work that is described here, and that which is permitted to be done by the user. - Page 15 Maintenance and Servicing WARNING ! To prevent damage to the pump, never apply any sealant or lubrication to the gasket. Valve plate replacement: Wipe inside of head clean. Install new gasket if needed, be sure to remove any excess gasket. Replace valve plate in head.
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Page 16: Maintenance By The Manufacturer
Maintenance and Servicing Maintenance by the Manufacturer Repairs and maintenance going beyond the extent of the work described in chapter 6.1 or reconditioning or modification may only be performed by the manufacturer or authorized workshops. WARNING ! The user shall be liable for the consequences of an incorrect damage report or a contaminated pump. -
Page 17: Troubleshooting
Troubleshooting Troubleshooting During the warranty period, intervention in the Diaphragm Pumps and accessory compo- nents may only be made by manufacturing firm. Remedy Trouble Cause with: Qualified No power supply Check electrical installation electrician Pump does not start Service Motor defective Exchange workshop Connected apparatus... -
Page 18: Spare Parts Overview
Pump head and Diapragm pumps Foot Kit Replacement Kit Rebuild Kit Models: Order no. Order no. Order no. 2019B-01 2019C-02 2019K-01 2019K-03 2019K-04 2019C-50 Diaphragm pump with vacuum regulator kit - 2019C-50 Item Description Piece Order no. Vacuum Regulator Kit, consisting of: 404022 - Manometer 1/8“... -
Page 19: Spare Parts View / Parts List
Spare Parts Overview Spare parts view / Parts list Item Spare parts description 2019K-01 2019K-03 2500K-04 Diaphragm, Buna N PTFE Diapragm liner Diaphragm hold down plate Valve platte Assembly O-Ring Gasket, Head * Pump head includes item 4 and 5 Haed screws Handle screws Diaphragm hold down plate screws...
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