background image

5

INTRODUCTION

The Model 77390-00 PTFE Tubing Pump, Figure 1, provides quick loading
of the special PTFE tubing assemblies. The pump is designed to work with
the MASTERFLEX 2mm ID PTFE Tubing Model 77390-50 and 4mm ID
Model 77390-60 and provides a wide flow range when used with compatible
MASTERFLEX Pump Drives. Appendix A lists most of the MASTERFLEX

®

L/S

®

 Pump Drives which can be used with this pump.

The step-by-step instructions in this manual are task-oriented for easy
reference. The manual provides information for installing, operating and
customer maintenance of the Model 77390-00 PTFE Tubing Pump.

CAUTION:

Improper setup or operation may result in damage to

the pump system components. Read instructions prior
to use.

Figure 1.

Model 77390-00 PTFE Tubing Pump

a-1299-0538.p65

1/29/02, 5:51 AM

5

Summary of Contents for Masterflex L/S 77390-00

Page 1: ...Instrument Co 1 800 MASTERFLEX 627 8373 U S and Canada only 11 847 549 7600 outside U S 847 549 7600 Local www masterflex com Barnant Company 1 800 637 3739 U S and Canada only 11 847 381 7050 outside U S 847 381 7050 Local www barnant com A 1299 0538 Edition 07 ...

Page 2: ...2 ...

Page 3: ...nded Occlusion Setting 11 Optimized Occlusion Settings 12 MAINTENANCE 12 Service Parts 12 Occlusion Bed 12 SPECIFICATIONS 13 WARRANTY 14 PRODUCT RETURN 14 TECHNICAL ASSISTANCE 14 Trademarks bearing the symbol in this publication are registered in the U S and in other countries This product is covered by one or more of the following U S and corresponding foreign patents 5 468 129 and 5 482 447 ...

Page 4: ...s to protect operator and equip ment from caustic liquids 1 HIGH PUMP generated pressures A PRESSURE RELIEF BYPASS VALVE must always be installed in a potentially high pressure system to prevent the pump from exceeding the maximum rated pressure 100 psig 6 8 bar a where the possibility of a blocked outlet occurs b where occlusion setting is greater than recom mended c where higher pressure filters...

Page 5: ...patible MASTERFLEX Pump Drives Appendix A lists most of the MASTERFLEX L S Pump Drives which can be used with this pump The step by step instructions in this manual are task oriented for easy reference The manual provides information for installing operating and customer maintenance of the Model 77390 00 PTFE Tubing Pump CAUTION Improper setup or operation may result in damage to the pump system c...

Page 6: ...ive The higher pressure capability allows use in low volume filtering chromatogra phy sample injection and other applications GENERAL DESCRIPTION ThePTFETubingPump seeFigure1 iscomposedofaBodyAssemblyand anadjustableOcclusionBed TheBodyAssemblyisusedtoattachthepump to a drive and to support the six roller ball bearing Rotor Assembly and the Occlusion Bed The Occlusion Bed holds the tubing and moun...

Page 7: ... to lift the Occlusion Bed as shown in Figure 3 2 Remove the Occlusion Bed by sliding out the front of the Body Assembly 3 Align the Tang on the Pump Head including installed boot with the slot in the motor drive shaft 4 Align the lower mounting holes on the Pump Head with the mounting holes on the drive and fasten with the two thumbscrews 5 Insert the two Phillips screws through the mounting hole...

Page 8: ...ckpressure Tubing Catalog No Drive Speed 77390 50 77390 60 r min Initial Flow Rate mL min 1 0 09 0 35 75 7 26 100 9 35 150 13 53 300 26 105 Drive speeds greater than 300 r min are not recommended Initial Flow Rate vs Drive Speed The following curve provides approximate percent age of decay of initial flow vs time at 300 r min Decay will be faster or slower at different speeds Decay of initial Flow...

Page 9: ...ck Occlusion Adjust ment Knob 2 Rotate the Occlusion Adjustment Knob completely counterclockwise Figure 3 Occlusion Assembly in Raised Position 3 Lift the Occlusion Bed as shown in Figure 3 then remove the Occlusion Bed by sliding out the front of the Body Assembly CAUTION Use only pre formed MASTERFLEX L S PTFE tubing Use of other tubing may result in premature or unknown failure modes ...

Page 10: ...s WARNINGS Do not operate the pump without the following precau tions Either of the following two conditions can result in sudden and or extensive tubing failure Tubing failure may result in liquid leaking from pump In the event of tubing failure operating pump at elevated speeds and pressures will result in accelerated liquid leakage Use appropriate measures to protect operator and equip ment fro...

Page 11: ...ended Occlusion Setting CAUTION Do not run the pump dry for an extended period of time Pumping dry or over occluding can cause overheating and pump damage Proceed as follows 1 Dip entry and exit connecting tubing approximately one inch into the fluid to be pumped 2 Be sure Pump Drive is turned on and set to desired operating speed 3 Rotate Locking Ring fully counterclockwise Ring should be against...

Page 12: ...e fluid to be transferred Then while the pump is running simply reduce the adjusted occlusion setting by slowly turning the Occlusion Adjustment Knob until the flow drop off becomes unacceptable Then turn the knob slightly clockwise and lock in position with Locking Ring To Maintain Flow Rate at Higher Pressures Turn Occlusion Adjustment Knob clockwise just until flow rate returns to the desired l...

Page 13: ...91 kg Color Black Material Pump Head Anodized aluminum acetal and stainless steel Knob Plastic TUBING Material PTFE Tubing Length 15 inches 1 inch 38 cm 2 54 cm Tubing Diameter 77390 50 2mm ID 4mm OD 77390 60 4mm ID 6mm OD Maximum Pressure at rated flow 100 psig Operating Temperature Continuous 32 F to 104 F 0 C to 40 C Operating Temperature Intermittent 32 F to 212 F 0 C to 100 C Storage Temperat...

Page 14: ...buse may be invoiced to you The warranty period for this product is noted on the Warranty Card PRODUCT RETURN To limit charges and delays contact the seller or Manufacturer for authori zation and shipping instructions before returning the product either within or outside of the warranty period When returning the product please state the reason for the return For your protection pack the product ca...

Page 15: ...S 847 549 7600 Local FAX 847 247 2929 U S and Canada only 11 847 549 1700 Fax outside U S www masterflex com e mail techinfo coleparmer com BarnantCompany 28W092 Commercial Ave Barrington Illinois U S A 60010 2392 1 800 637 3739 U S and Canada only 11 847 381 7050 outside U S 847 381 7050 Local 11 847 381 7053 Fax outside U S 847 381 7053 Local Fax www barnant com e mail barnant barnant com ...

Reviews: