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THE INFORMATION HEREIN IS GIVEN IN GOOD FAITH, BUT NO WARRANTY, EXPRESS OR IMPLIES, IS MADE.

Revision Date: 03/31/09 

                   Rev. A 

P/N: 67-0254

5 of  7

SECTION 9 – PHYSICAL AND CHEMICAL PROPERTIES 

Physical State:  

Liquid 

  

  

Color:    

 

Light Amber to Amber 

Odor:

Mild Petroleum Odor    

 

Specific Gravity:

   

0.88(Water = 1) 

pH:

 

 

  N/A 

  

  

Vapor Density:    

GT 1 (Air = 1) 

Boiling Point/Range:  

N/A 

  

  

Melting/Freezing Point:

   N/A 

Vapor Pressure:

  

0.01mm of Hg (20°C)   

 

Viscosity (cSt @ 40°C):  

65

Density:

  

 

7.30 Lbs/gal.

 

  

   Solubility 

in 

Water: 

 

Insoluble in cold water 

Viscosity

  

 

(ASTM D2161) = 339 SUS @ 100°F

 Volatile Characteristics:  

Negligible volatility

Additional Properties:

   Gravity, API (ASTM D287) = 30.0 @ 60°F 

SECTION 10 – STABILITY AND REACTIVITY 

Chemical Stability: 

Stable 

 

 

   

Hazardous  
Polymerization:  

Not expected to occur. 

Conditions to Avoid:

 

  Keep away from extreme heat, sparks, open flame and strong oxidizing  

conditions. 

Materials Incompatibility:

  Strong oxidizers 

Hazardous  
Decomposition Products:

  No additional hazardous decomposition products were identified other  

than the combustion products identified in section 5 of this MSDS. 

SECTION 11 – TOXICOLOGICAL INFORMATION 

For other health-related information, refer to the Emergency Overview on Page 1, and the Hazards identification in  
Section 3 of this MSDS. 
Toxicity Data: 

 

 

 

Distillates, petroleum, solvent-refined heavy paraffinic: 

ORAL (LD50):   

 

 

Acute: >5000 mg/kg [Rat]. 

DERMAL (LD50): 

 

 

Acute: >2000 mg/kg [Rabbit]. 

Distillates, petroleum, solvent-refined heavy paraffinic: 

Mineral oil mists derived from highly refined oils are reported to 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 place exposure levels produced no significant toxicological effects.  In long term studies (up to two  
years) no carcinogenic effects have been reported in any animal species tested. Analyses conducted by method  
IP346 indicate that the polycyclic aromatic concentration of this mineral oil is below 3.0 weight percent. 

SECTION 12 – ECOLOGICAL INFORMATION 

Eco-toxicity: 

Analysis for ecological effects has not been conducted on this product.  However, if spilled,  
this product and any contaminated soil or water may be harmful to human, animal, and  
aquatic life.Also, the coating action associated with petroleum and petroleum products can be  
harmful or fatal to aquatic life and waterfowl. 

Environmental Fate:  

An environmental fate analysis has not been conducted on this specific product.  However,  
plants and animals may experience harmful or fatal effects when coated with petroleum-based  
products.  Petroleum-based (mineral) lube oils will normally float on water.  In stagnant or  
slow-flowing waterways, an oil layer can cover a large surface area.  As a result, this oil layer  
might limit or eliminate natural atmospheric oxygen transport into the water.  With time, if not  
removed, oxygen depletion in the waterway might be enough to cause a fish kill or create an  

 anaerobic 

environment. 

25

Summary of Contents for DUOSEAL 1405B-01

Page 1: ...essure will build up in the pump with the potential of the pump body bursting and causing possible injury to personnel in the area Part No 67 2061 R1 0 Printed in USA Welch Ilmvac 5621 W Howard Street...

Page 2: ...tions are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units conform to the SI International system of units of measure...

Page 3: ...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...

Page 4: ...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 poss...

Page 5: ...creates an impedance to the flow of gas This is particularly true at low pressures in the millitorr range where the gas flow is substantially molecular in character The gas flow is then dependent upo...

Page 6: ...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 exhaust Review the...

Page 7: ...ir though the gas ballast valve to the mixture of vapor and gas being compressed the pressure required for delivery past the exhaust valve is reached with a considerably smaller reduction of the volum...

Page 8: ...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...

Page 9: ...system The required frequency of changes will vary with the particular system Experiences with the process will help you determine the normal period of operation before an oil change is required 3 103...

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...

Page 11: ...ng 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 upo...

Page 12: ...t 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 li...

Page 13: ...cal Requirements 2 60Hz Electrical Requirements 3 1 Phase Replacement Parts Shaft Seal Lip Seal 1401E 01 Shaft Seal Mechanical Seal 1401E Air Filter Screen 41 0891 Intake Chamber Cover Gasket 41 1308...

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

Page 15: ...nge 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 pum...

Page 16: ...Section 8 EXPLODED VIEW 16...

Page 17: ...CER 12 3 2 61 0000 WASHER STEEL 3 16 42 1 41 2160 BAFFLE ASSEMBLY 13 10 2 63 0193 WASHER LOCK 1 4 MEDIUM 43 1 41 2175 SETSCREW 1 4 20 x 2 25 LG 14 1 4 06 0754 1 1 ROTOR CLIP 44 6 41 2363 WASHER 5 16 I...

Page 18: ...101 Parts List for Model 61 8101 Item Qty P N Description 1 2 61 2229A Oil Window Glass 2 1 61 2278 Drain Valve 3 2 61 2370 Oil Window Cover 4 1 61 8833 Oil Case Machined 5 4 62 1014 Screw 8 32x3 8 Fl...

Page 19: ...ust 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 1417L 1417G 1417H 01 1417L 1417G 1417...

Page 20: ...1922 Cat No 1 Element must be ordered with trap A2 Distance between ISO NW inlet and outlet connections Dry Ice Cold Traps Removable 3 quarter center well for dry ice alcohol slurry do not use acetone...

Page 21: ...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 conta...

Page 22: ...ection 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...

Page 23: ...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 thr...

Page 24: ...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 possi...

Page 25: ...e 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 includ...

Page 26: ...ry 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 Facilit...

Page 27: ...arks 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 C...

Page 28: ...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...

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