Repair Kits
Turbo Pumps & Systems
New Turbo Pumps
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Rotary Vane Pumps
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Vacuum Measurement
Vacuum Hardware
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Rotary Vane Pumps
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Traps Mist Filters
- PN 1374S/MS
- Oustanding Quality
- For Welch Vane Model 1374
- Secondary Kit w/ Mechanical Seal
Secondary Kit, Mechanical, for Welch Rotary Vane Pump Model 1374, 1374S/MS
Overview
The Welch 1374 Secondary Kit With Mechanical Seal includes everything needed for light overhauls on the Welch 1374 Rotary Vane Vacuum Pump.
We also do minor and major repairs for all Welch Rotary Vane Vacuum Pumps.
Welch 1374 Secondary Kit With Mechanical Seal contains the following parts:
410696 Holder,Spring, qty.1
410716 V-Belt, qty.2
411266 Washer,Tension, qty.2
411267 Washer,Rubber, qty.2
411304 Spring,Ss, qty.2
411401f Kit,Shaft Seal,Mech.,1.00” , qty.1
411488 Spring,Compression,S/S, qty.4
411489 Holder,Spring, qty.2
411495 Gasket,Intake Cover, qty.1
411496 Gasket,Case, qty.1
411507 O'ring,Buna,78.97 X 3.53 Mm, qty.1
411508 Gasket,Valve, qty.1
412161 Valve,Pressure Relief,Steel, qty.1
A&J Vacuum Repairs / Rebuilds and Services all Welch 1373, 1374, 1376 Vane 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.
Secondary Kit, Mechanical, for Welch Rotary Vane Pump Model 1374, 1374S/MS
Overview
The Welch 1374 Secondary Kit With Mechanical Seal includes everything needed for light overhauls on the Welch 1374 Rotary Vane Vacuum Pump.
We also do minor and major repairs for all Welch Rotary Vane Vacuum Pumps.
Welch 1374 Secondary Kit With Mechanical Seal contains the following parts:
410696 Holder,Spring, qty.1
410716 V-Belt, qty.2
411266 Washer,Tension, qty.2
411267 Washer,Rubber, qty.2
411304 Spring,Ss, qty.2
411401f Kit,Shaft Seal,Mech.,1.00” , qty.1
411488 Spring,Compression,S/S, qty.4
411489 Holder,Spring, qty.2
411495 Gasket,Intake Cover, qty.1
411496 Gasket,Case, qty.1
411507 O'ring,Buna,78.97 X 3.53 Mm, qty.1
411508 Gasket,Valve, qty.1
412161 Valve,Pressure Relief,Steel, qty.1
A&J Vacuum Repairs / Rebuilds and Services all Welch 1373, 1374, 1376 Vane 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.
Welch_1374_Secondary_Kit_Mech_Seal_Parts_List.pdf 
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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
Secondary Kit, Mechanical, for Welch Rotary Vane Pump Model 1374, 1374S/MS
Overview
The Welch 1374 Secondary Kit With Mechanical Seal includes everything needed for light overhauls on the Welch 1374 Rotary Vane Vacuum Pump.
We also do minor and major repairs for all Welch Rotary Vane Vacuum Pumps.
Welch 1374 Secondary Kit With Mechanical Seal contains the following parts:
410696 Holder,Spring, qty.1
410716 V-Belt, qty.2
411266 Washer,Tension, qty.2
411267 Washer,Rubber, qty.2
411304 Spring,Ss, qty.2
411401f Kit,Shaft Seal,Mech.,1.00” , qty.1
411488 Spring,Compression,S/S, qty.4
411489 Holder,Spring, qty.2
411495 Gasket,Intake Cover, qty.1
411496 Gasket,Case, qty.1
411507 O'ring,Buna,78.97 X 3.53 Mm, qty.1
411508 Gasket,Valve, qty.1
412161 Valve,Pressure Relief,Steel, qty.1
A&J Vacuum Repairs / Rebuilds and Services all Welch 1373, 1374, 1376 Vane 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
Secondary Kit, Mechanical, for Welch Rotary Vane Pump Model 1374, 1374S/MS
Overview
The Welch 1374 Secondary Kit With Mechanical Seal includes everything needed for light overhauls on the Welch 1374 Rotary Vane Vacuum Pump.
We also do minor and major repairs for all Welch Rotary Vane Vacuum Pumps.
Welch 1374 Secondary Kit With Mechanical Seal contains the following parts:
410696 Holder,Spring, qty.1
410716 V-Belt, qty.2
411266 Washer,Tension, qty.2
411267 Washer,Rubber, qty.2
411304 Spring,Ss, qty.2
411401f Kit,Shaft Seal,Mech.,1.00” , qty.1
411488 Spring,Compression,S/S, qty.4
411489 Holder,Spring, qty.2
411495 Gasket,Intake Cover, qty.1
411496 Gasket,Case, qty.1
411507 O'ring,Buna,78.97 X 3.53 Mm, qty.1
411508 Gasket,Valve, qty.1
412161 Valve,Pressure Relief,Steel, qty.1
A&J Vacuum Repairs / Rebuilds and Services all Welch 1373, 1374, 1376 Vane 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.
