Gardner Denver Welch DUOSEAL 1376B-46 User Manual Download

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OWNER’S MANUAL FOR

DUOSEAL® VACUUM PUMP

MODELS: 1376B-46, 1376C-46, 6D731

WARNING

Never block the Exhaust Port.

If the exhaust port is blocked, pressure will build-up in the pump

with the potential of the pump body bursting and causing

possible injury to personnel in the area.

Gardner Denver, Inc.
Welch Vacuum Technology
5621 W. Howard Street
Niles, IL 60714
Phone: (847) 676-8800
Fax: (847) 677-8606 Technical Support (847) 588-2366

E-Mail: [email protected]

Part No. 67-2094

Web-Page: www.welchvacuum.com

Printed in USA

SAVE THESE INSTRUCTIONS

Manufactured in an

ISO 9000

Registered Environment

Summary of Contents for Welch DUOSEAL 1376B-46

Page 1: ... the pump body bursting and causing possible injury to personnel in the area Gardner Denver Inc Welch Vacuum Technology 5621 W Howard Street Niles IL 60714 Phone 847 676 8800 Fax 847 677 8606 Technical Support 847 588 2366 E Mail gdwelchvacuum gardnerdenver com Part No 67 2094 Web Page www welchvacuum com Printed in USA SAVE THESE INSTRUCTIONS Manufactured in an ISO 9000 Registered Environment ...

Page 2: ...ions are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units confirm to the SI International system of units of measurement The following symbols with recommendation of IEC1010 of warning will be found on the pump Caution refer to accompanying documents Caution risk of electrical shock Caution hot surface WARNING Motor...

Page 3: ...evel 10 3 30 Shaft Seal Replacement 10 3 40 Repairing Oil Leaks 11 3 50 Repairing Vacuum Leaks 11 3 60 Drive Problems 11 Section 04 Trouble Shooting Guide 4 10 Poor Vacuum Readings 12 4 20 Noisy Pump 12 4 30 Excessive Oil Mist 12 Section 05 Quick Reference Chart Chart 1 13 Chart 2 13 Section 06 Dimenional Drawings with rotation Vacuum Pump 14 Section 07 Pumping Speed Curves Speed Curves 15 Section...

Page 4: ...OSEAL pumps should be mounted in a horizontal plane 1 122 Unmounted Pumps If you have purchased an unmounted pump refer to parts list for information concerning the motor motor pulley and belt necessary to drive your particular pump at the recommended speed 1 13 Pump Location The pump should be located preferably in a clean and well ventilated area and adequate space should be provided wherever po...

Page 5: ...he gas flow is substantially molecular in character The gas flow is then dependent upon the kinetic activity of the molecules to bring it to the intake of the pump 1 162 The Effects of Conductance It has been shown that the conductance of a tube is proportional to the cube of its radius and inversely proportional to its length Therefore it is imperative that the connecting lines be as large in dia...

Page 6: ...ze yourself with the function and action of the pump which you have now required Remove the intake and exhaust port plugs and temporarily provide a stopper for the intake and a dust cap for the exhaustReview the power requirements as described in Section 1 4 2 103 Cleanliness Take every precaution to prevent foreign from entering the pump A fine mesh screen is provided for this purpose in the inta...

Page 7: ...of the volume of the mixture this depending upon the amount of air added condensation of the vapor is wither entirely avoided or substantial reduced 2 223 Pump Function With Gas Ballast In a pump functioning on a contaminated system and operating without the gas ballast compression within the stage takes place in the normal manner until the saturation pressure of the contaminating vapor contained ...

Page 8: ...s rich in hydrogen and observing a sudden change in pressure on an electrical gauge The difference in calibration of these gauges for air and other gases will produce a distinct change in the pressure reading To use this method of detection the system must be under vacuum and the gauge sensing tube must be located between the pump and the area to be probed Use extreme caution as these materials ar...

Page 9: ... a system must be thoroughly clean If the system is completely clean and free from leaks and unwarranted vacuum problems still exist the pump should be checked A simple criterion for the condition of a mechanical pump is a determination of its ultimate pressure capability This can be accomplished by attaching a gauge directly to the pump The gauge may be any suitable type provided consideration if...

Page 10: ... rubber stopper Turn the pump on and run the pump for 10 minutes Close the gas ballast 8 Check the vacuum reading of the pump by connecting a thermocouple gauge tube to the pump s intake If the pump is running nearly as good as when it was new the total pressure reading you will read on wither of these two gauges will be at least 10 micron A simple way to connect the gauge tube to the pump is to r...

Page 11: ...ing surfaces cleaned of any nicks 3 50 Repairing Vacuum Leaks 3 501 Surface Preparation Good Vacuum seals are an essential and important attribute of a good mechanical pump A good seal is dependent upon the quality of the mating surfaces as well as the sealant and its preparation The mating faces should be carefully inspected for any projections or foreign particles which might interfere with prop...

Page 12: ...ut a forced oil flush 5 If noise level is still unsatisfactory consult with WELCH Technical Service at 847 676 8800 Ext 1 4 30 Excessive Oil Mist 1 Check oil level Maintain the level between the two lines on the oil window during operation Too high a level will cause excess oil mist 2 Determine the vacuum level in your system with a thermocouple gauge or manometer Be sure the pump is operating at ...

Page 13: ...rical Requirements 3 1 Phase Replacement Parts Shaft Seal Lip Seal 1401D 01 Shaft Seal Mechanical Seal 1401D Air Filter Screen 41 0660 Intake Chamber Cover Gasket 41 0234 Oil Case Gasket 41 0403 Drain Plug 61 2278 Oil Window 61 2229A Large Vane 41 0959 Small Vane 41 1487 Large Vane Spring 41 1304 Small Vane Spring 41 1304 Large Vane Spring Holder 41 1685 Small Vane Spring Holder 41 1685 Shaft 41 2...

Page 14: ...14 Section 6 DIMENSIONAL DRAWING ...

Page 15: ...range High RPM direct drive vacuum pumps on the other hand experience a rapid fall off of pumping speed below 100 microns A comparison of the DuoSeal pumping speed curves shown below versus high RPM pump speed curves conclusively illustrates the superior performance of the DuoSeal pump What does that mean for the vacuum pump user DuoSeal pumps provide considerable faster pumpdown time in the low m...

Page 16: ...16 Section 8 EXPLODED VIEW 1 57 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 29 19 20 21 22 23 30 31 32 34 35 36 37 38 39 40 41 43 44 28 45 46 47 48 49 50 51 53 56 58 24 25 26 27 54 55 59 33 52 42 ...

Page 17: ... 1 61 8108D EXHAUST RING 15 1 41 0508 1 1 WASHER THRUST 45 1 61 8250C CENTER PLATE 16 2 41 0613 2 2 WOODRUFF KEY 404 46 1 61 8309B PRESSURE RELEASE TUBE 1 17 1 41 0624 1 1 WOODRUFF KEY 47 1 61 8310A PRESSURE RELEASE TUBE 2 18 1 41 0643 GASKET SEAL 48 2 61 8313A VALVE BLOCK S S 19 1 41 0672 SHAFT END PLATE 49 4 61 8314A 4 4 VALVE FOR BLOCK S S 20 1 41 0992 1 1 PRESSURE RELEASE VALVE 50 1 61 8329A B...

Page 18: ... 2 61 2229A Sight Glass Window 4 2 61 2370 Oil Window Cover 5 1 61 2372 Oil Fill Plug 6 1 62 8266 Tee 1 4 NPT Male Female Female 7 1 61 8320B Oil Case 8 1 61 8321B Plastic Bubbler Tube 9 1 61 8382 Union Bulkhead 1 4 SS 10 2 61 8384 Pipe Plug 11 2 62 0118 O ring Tetraseal 12 1 62 0121 Washer 13 4 62 1014 Screw 14 1 62 1141 Nickel Plated Cap 15 2 66 0304 O Ring Aflas 127 ...

Page 19: ...connection kit Cat No 141601 for models1400 1405 1376 1380 1402 Standard Exhaust Filter Use with pump model Dimension Catalog Number Diameter Height Filter Replacement Element 1392 1399 1400 1376 1380 1402 1400 1397 1374 2 5 5 5 2 5 6 25 9 1417 1417P 10 1417P 20 1417L 1417G 1417H 01 Directional Exhaust Filter Use with pump model Dimension Catalog Number Diameter Height Filter Replacement Element 1...

Page 20: ...r Height A2 Cat No 1 NW16 to 4 CFM 140 L min 3 75 5 25 8 25 541001 Stainless Steel Element for ISO NW 16 Trap 1 541921 Stainless Steel Element for ISO NW 25 and NW 40 Traps1 541922 Removable 3 quarter center well for dry ice alcohol slurry do not use acetone Visible trapping surface Cold temperature up to 12 hours depending on vapor load Available with straight tube connections ISO Size Diameter H...

Page 21: ...e best of our knowledge the above listed component is not hazardous according to OSHA 1910 1200 or one or more state right to know lists SECTION 3 HAZARDS IDENTIFICATION Major Route of Entry Skin contact Signs and Symptoms of Acute Exposure Inhalation No significant adverse health effects are expected to occur upon short term exposure to this product Aspiration of liquid into the lungs can cause s...

Page 22: ...Protection in Section 8 of this MSDS Inhalation Vaporization is not expected at ambient temperatures This material is not expected toques inhalation related disorders underanticipated conditions of use In case of overexposure move the person to fresh air Eye Contact Check for and remove contact lenses Flush eyes with cool clean low pressure water while occasionally lifting and lowering eyelids See...

Page 23: ...tion in Section 8 and Disposal Considerations in Section 13 of this MSDS Do not touch damaged containers or spilled material unless wearing appropriate protective equipment Slipping hazard do not walk through spilled material Stop leak if you can do so without risk For small spills absorb or cover with dry earth sand or other inert non combustible absorbent material and place into waste containers...

Page 24: ... if splashing or spraying conditions are present Protective clothing may include long sleeve outer garment apron or lab coat If significant contact occurs remove oil contaminated clothing as soon as possible and promptly shower Launder contaminated before reuse or discard Wear heat protective boots and protective clothing when handling material at elevated temperatures Respiratory Protection Vapor...

Page 25: ... have low acute and sub acute toxicities in animals Effects from single and short term repeated exposures to high concentrations of mineral oil mists well above applicable workplace exposure levels include lung inflammatory reaction lipoid granuloma formation and lipoid pneumonia In acute and sub acute studies involving exposures to lower concentrations of mineral oil mists at or near current work...

Page 26: ...entory This product and or its components are listed on the Toxic Substance Control Act TSCA Inventory SARA 302 304 The Superfund Amendments and Reauthorization Act of 1986 SARA Title III requires Facilities subject to Subparts 302 and 304 to submit emergency planning and notification information based on Threshold Planing Quantities TPQs and Reportable Quantities RQs for Extremely Hazardous Subst...

Page 27: ... remarks SECTION 16 OTHER INFORMATION Revision 4 Revision Date 11 11 03 ABBREVIATIONS AP Approximately EQ Equal GT Grater Than LT Less Than NA Not Applicable ND No Data NE Not Established ACGIH American Conference of Governmental Industrial Hygienists AIHA American Ind Hygiene Association IARC Internal Agency for Research on Cancer NTP National Toxicology ProgramNIOSH National Institute of Occupat...

Page 28: ...uum Technology and receipt or possession does not convey any rights to loan sell or otherwise disclose said information reproduction or use of said information for any purpose other than that in connection with said information was supplied may not be made without express written permission of Welch This document is to be returned to Welch upon request and in all events upon completion of the purp...

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