Repair Kits
Turbo Pumps & Systems
New Turbo Pumps
New Turbo Pumping Stations
Refurbished / Demo Turbo Pumps
Rotary Vane Pumps
New Rotary Vane Pumps
Dry Vacuum Pumps
Vacuum Measurement
Vacuum Hardware
KF (NW) Components
CF Components
ISO Components
Leak Detectors & Mass Specs
Spare Parts
Rotary Vane Pumps
Vacuum Fluids / Greases
Traps Mist Filters
- PN 8905AMRK
- Outstanding Quality
- For Model 8905A
- Major Repair Kit
Major Repair Kit 8905AMRK, New Style, for Welch Rotary Vane Vacuum Pump 8905A, 8905AMRK
Major Repair Kit for Model 8905.
Major Repair Kit includes:
612178a Vane,Intake,Gx, qty. 2
612179a Vane,Exhaust,Gx, qty. 2
412694 Spider,Coupling,Buna,Black, qty. 1
412988 Seal,Shaft,5/8", qty.2
413175 Gasket,Washer,Nylon, qty. 1
611123a Valve,Intake, qty. 1
611128a Valve,Backer, qty. 1
611178a Orifice,Brass,.010", qty. 1
612118a Valve,Gas Ballast,Viton , qty.2
612119a Spring,Valve,Compression,S/S, qty.2
612123a Foot,Rubber,Push In, qty.4
612128a O'ring,Viton,64.77 X 2.62 Mm, qty.2
612139a Valve,Isolation Disk,Buna, qty. 1
612149b Gasket,Case, qty. 1
612155a O'ring,Viton,21.95 X 1.78 Mm, qty. 1
612157a O'ring,Viton,3.68 X 1.78 Mm, qty. 2
612158a O'ring,Viton,9.19 X 2.62 Mm, qty. 1
612159a O'ring,Viton,18.72 X 2.62 Mm, qty. 1
612170a Tool,Insertion,Nylon, qty. 1
612172a Tool,Aluminum, qty. 1
612231 O'ring,Shaped,Ring,Viton, qty. 1
619282a O'ring,Viton,7.65 X 1.78 Mm, qty. 1
619479a Pad,Drip,Felt, qty. 1
A&J Vacuum Repairs / Rebuilds and Services all Welch 8905, 8910, 8907, 8912, 8917 Vacuum Pumps including belt driven Welch pumps service pumps and all other Welch vacuum pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854.
Major Repair Kit 8905AMRK, New Style, for Welch Rotary Vane Vacuum Pump 8905A, 8905AMRK
Major Repair Kit for Model 8905.
Major Repair Kit includes:
612178a Vane,Intake,Gx, qty. 2
612179a Vane,Exhaust,Gx, qty. 2
412694 Spider,Coupling,Buna,Black, qty. 1
412988 Seal,Shaft,5/8", qty.2
413175 Gasket,Washer,Nylon, qty. 1
611123a Valve,Intake, qty. 1
611128a Valve,Backer, qty. 1
611178a Orifice,Brass,.010", qty. 1
612118a Valve,Gas Ballast,Viton , qty.2
612119a Spring,Valve,Compression,S/S, qty.2
612123a Foot,Rubber,Push In, qty.4
612128a O'ring,Viton,64.77 X 2.62 Mm, qty.2
612139a Valve,Isolation Disk,Buna, qty. 1
612149b Gasket,Case, qty. 1
612155a O'ring,Viton,21.95 X 1.78 Mm, qty. 1
612157a O'ring,Viton,3.68 X 1.78 Mm, qty. 2
612158a O'ring,Viton,9.19 X 2.62 Mm, qty. 1
612159a O'ring,Viton,18.72 X 2.62 Mm, qty. 1
612170a Tool,Insertion,Nylon, qty. 1
612172a Tool,Aluminum, qty. 1
612231 O'ring,Shaped,Ring,Viton, qty. 1
619282a O'ring,Viton,7.65 X 1.78 Mm, qty. 1
619479a Pad,Drip,Felt, qty. 1
A&J Vacuum Repairs / Rebuilds and Services all Welch 8905, 8910, 8907, 8912, 8917 Vacuum Pumps including belt driven Welch pumps service pumps and all other Welch vacuum pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854.
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Service and Repair - Turbo Pumps
- Rotary Vane Pumps
- Dry Vacuum Pumps
- Leak Detectors
- Scroll Dry Pumps
- Vacuum Boosters
- Diaphragm Dry Pumps
A & J Vacuum Services provides repair service for all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair, Mass Spectrometer repair, Rotary Vane Pump repair, Vacuum Booster repair, and Leak detector repair. Our highly trained technicians have years of experience and guarantee the highest quality service.
We operate at our own full service repair facility in Clifton, NJ. We have invested in state-of-the-art equipment including; complete line of decontamination, cleaning, drying, balancing, vibration analysis and software to minimize failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.
We support all major manufacturers including Pfeiffer Vacuum, Alcatel / Adixen, Edwards Vacuum, Varian, Oerlikon / Leybod Vacuum, Vacuubrand, and Agilent Technologies.
Repair Steps
- Full incoming inspection and run up time check, vibration check, drive inspection.
- Full disassembly, decontamination and cleaning.
- Pump is balanced utilizing state-of-the-art equipment from the world leader in equipment balancing and analysis to reduce noise and vibrations and extend bearings life.
- Assembly and replacement of all necessary parts such as shafts, bushings, bearings, sleeves, O-rings, gaskets, seals, wicks, etc. Only parts that meet or surpass OEM specifications are used to ensure dependable highest quality service and long pump life.
- Final test and leak check. The pump in fully assembled condition is checked for vacuum seal. Leak test to 1 x 10-9 Mbar l/s. Vibrations are analyzed and test data is digitally recorded.
Every pump and instrument is extensively tested for 48 hours. During our final tests, we monitor total pressure, temperature, vibration and noise level utilizing newest testing technologies and techniques specified by OEM. Upon request, we can provide our customers with a pump down graph. Call us for your free repair estimate at 1-973-249-0854.
Overview
Major Repair Kit 8905AMRK, New Style, for Welch Rotary Vane Vacuum Pump 8905A, 8905AMRK
Major Repair Kit for Model 8905.
Major Repair Kit includes:
612178a Vane,Intake,Gx, qty. 2
612179a Vane,Exhaust,Gx, qty. 2
412694 Spider,Coupling,Buna,Black, qty. 1
412988 Seal,Shaft,5/8", qty.2
413175 Gasket,Washer,Nylon, qty. 1
611123a Valve,Intake, qty. 1
611128a Valve,Backer, qty. 1
611178a Orifice,Brass,.010", qty. 1
612118a Valve,Gas Ballast,Viton , qty.2
612119a Spring,Valve,Compression,S/S, qty.2
612123a Foot,Rubber,Push In, qty.4
612128a O'ring,Viton,64.77 X 2.62 Mm, qty.2
612139a Valve,Isolation Disk,Buna, qty. 1
612149b Gasket,Case, qty. 1
612155a O'ring,Viton,21.95 X 1.78 Mm, qty. 1
612157a O'ring,Viton,3.68 X 1.78 Mm, qty. 2
612158a O'ring,Viton,9.19 X 2.62 Mm, qty. 1
612159a O'ring,Viton,18.72 X 2.62 Mm, qty. 1
612170a Tool,Insertion,Nylon, qty. 1
612172a Tool,Aluminum, qty. 1
612231 O'ring,Shaped,Ring,Viton, qty. 1
619282a O'ring,Viton,7.65 X 1.78 Mm, qty. 1
619479a Pad,Drip,Felt, qty. 1
A&J Vacuum Repairs / Rebuilds and Services all Welch 8905, 8910, 8907, 8912, 8917 Vacuum Pumps including belt driven Welch pumps service pumps and all other Welch vacuum pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854.
Specifications
Major Repair Kit 8905AMRK, New Style, for Welch Rotary Vane Vacuum Pump 8905A, 8905AMRK
Major Repair Kit for Model 8905.
Major Repair Kit includes:
612178a Vane,Intake,Gx, qty. 2
612179a Vane,Exhaust,Gx, qty. 2
412694 Spider,Coupling,Buna,Black, qty. 1
412988 Seal,Shaft,5/8", qty.2
413175 Gasket,Washer,Nylon, qty. 1
611123a Valve,Intake, qty. 1
611128a Valve,Backer, qty. 1
611178a Orifice,Brass,.010", qty. 1
612118a Valve,Gas Ballast,Viton , qty.2
612119a Spring,Valve,Compression,S/S, qty.2
612123a Foot,Rubber,Push In, qty.4
612128a O'ring,Viton,64.77 X 2.62 Mm, qty.2
612139a Valve,Isolation Disk,Buna, qty. 1
612149b Gasket,Case, qty. 1
612155a O'ring,Viton,21.95 X 1.78 Mm, qty. 1
612157a O'ring,Viton,3.68 X 1.78 Mm, qty. 2
612158a O'ring,Viton,9.19 X 2.62 Mm, qty. 1
612159a O'ring,Viton,18.72 X 2.62 Mm, qty. 1
612170a Tool,Insertion,Nylon, qty. 1
612172a Tool,Aluminum, qty. 1
612231 O'ring,Shaped,Ring,Viton, qty. 1
619282a O'ring,Viton,7.65 X 1.78 Mm, qty. 1
619479a Pad,Drip,Felt, qty. 1
A&J Vacuum Repairs / Rebuilds and Services all Welch 8905, 8910, 8907, 8912, 8917 Vacuum Pumps including belt driven Welch pumps service pumps and all other Welch vacuum pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854.
Service & Repair
- Turbo Pumps
- Rotary Vane Pumps
- Dry Vacuum Pumps
- Leak Detectors
- Scroll Dry Pumps
- Vacuum Boosters
- Diaphragm Dry Pumps
A & J Vacuum Services provides repair service for all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair, Mass Spectrometer repair, Rotary Vane Pump repair, Vacuum Booster repair, and Leak detector repair. Our highly trained technicians have years of experience and guarantee the highest quality service.
We operate at our own full service repair facility in Clifton, NJ. We have invested in state-of-the-art equipment including; complete line of decontamination, cleaning, drying, balancing, vibration analysis and software to minimize failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.
We support all major manufacturers including Pfeiffer Vacuum, Alcatel / Adixen, Edwards Vacuum, Varian, Oerlikon / Leybod Vacuum, Vacuubrand, and Agilent Technologies.
Repair Steps
- Full incoming inspection and run up time check, vibration check, drive inspection.
- Full disassembly, decontamination and cleaning.
- Pump is balanced utilizing state-of-the-art equipment from the world leader in equipment balancing and analysis to reduce noise and vibrations and extend bearings life.
- Assembly and replacement of all necessary parts such as shafts, bushings, bearings, sleeves, O-rings, gaskets, seals, wicks, etc. Only parts that meet or surpass OEM specifications are used to ensure dependable highest quality service and long pump life.
- Final test and leak check. The pump in fully assembled condition is checked for vacuum seal. Leak test to 1 x 10-9 Mbar l/s. Vibrations are analyzed and test data is digitally recorded.
Every pump and instrument is extensively tested for 48 hours. During our final tests, we monitor total pressure, temperature, vibration and noise level utilizing newest testing technologies and techniques specified by OEM. Upon request, we can provide our customers with a pump down graph. Call us for your free repair estimate at 1-973-249-0854.
