Gow-Mac 75-810-AR Operating Manual Download Page 1

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Operating Manual

Model 75-810 & 75-810-AR

Noble Gas Purifier

75-810-HE: 120 V, 50/60 Hz

75-812-HE: 230 V, 50/60 Hz

75-810-AR: 120 V, 50/60 Hz

75-812-AR: 230 V, 50/60 Hz

November 2020

Rev. 0

READ INSTRUCTIONS

BEFORE OPERATING

277 Brodhead Rd., Bethlehem, PA 18017-8600 U.S.A. Tel: (610) 954-9000

Summary of Contents for 75-810-AR

Page 1: ...AR Noble Gas Purifier 75 810 HE 120 V 50 60 Hz 75 812 HE 230 V 50 60 Hz 75 810 AR 120 V 50 60 Hz 75 812 AR 230 V 50 60 Hz November 2020 Rev 0 READ INSTRUCTIONS BEFORE OPERATING 277 Brodhead Rd Bethlehem PA 18017 8600 U S A Tel 610 954 9000 ...

Page 2: ...GOW MAC Instrument Co 2 ...

Page 3: ...Rev 0 11 20 3 Contents Chapter 1 Introduction 9 Chapter 2 Safety Precautions 11 Chapter 3 Specifications 13 Chapter 4 Installation 15 Chapter 5 Operation 17 Chapter 6 Maintenance Servicing 19 Chapter 7 Replacement Parts 21 Chapter 8 Appendix 23 ...

Page 4: ...lt directly or indirectly from the use of such information This document contains proprietary information which is protected by copyright All rights are reserved No part of the document may be photographed reproduced or translated into another language without the prior written consent of GOW MAC Instrument Co The warranties made by GOW MAC Instrument Co with respect to the product are voided if t...

Page 5: ... and Seller assumes no obligation or liability for the advice given or results obtained all such advice being given and accepted at Buyer s risk Each party hereby agrees to indemnify and hold the other party harmless from any actions lawsuits demands claims losses expenses costs including but not limited to legal fees and damages arising from the injury illness or death of the indemnifying party s...

Page 6: ...GOW MAC Instrument Co 6 ...

Page 7: ...s warranty 5 Instrument parts which have been repaired or replaced during the warranty period are themselves warranted only for the remaining unexpired portion of the original six month warranty 6 Repairs adjustments and service performed after expiration of the six month warranty period shall be charged to the purchaser at the then current prices for parts labor and transportation 7 This warranty...

Page 8: ...GOW MAC Instrument Co 8 ...

Page 9: ...te The GOW MAC 75 810 series are point of use gas purifiers that remove impurities H2O O2 CO CO2 H2 N2 CH4 from ultra high purity 99 999 argon or helium The bench top configuration is compact with inch VCR connections for gas in and out on the top panel The getter material is heated to about 400 C when the power switch is ON and illuminated The heated cartridge is wrapped in insulation that is eas...

Page 10: ...GOW MAC Instrument Co 10 ...

Page 11: ...ays shut power off at the facility circuit breaker before main tenance is to be performed In addition lock out the associated circuit breaker in accordance with local safety directives to prevent an advertent operation by facility personnel until maintenance has been completed and all personnel are clear of the machinery WARNING This equipment processes gas at high temperatures Serious burns can r...

Page 12: ...ll inlet outlet valves should be closed in order to isolate the unit from the facility lines This will limit the exposure of the getter bed to atmosphere while it is in excess of 150 C Do not restart the purifier until temperature has cooled to below 150 C and all gas lines have been reconnected repaired and certified Failure to comply can result in personal injury or damage to the purifier CAUTIO...

Page 13: ...ing He or Ar 75 810 1 yr 200 ccpm Power Requirements 75 810 80 Watts 120 VAC 75 812 80 Watts 230 VAC Circuit Breaker In power switch fast acting 1A rating Weight net 3 5 lbs Dimensions 5 D x 4 W x 10 H Each impurity removed to 10 ppb based on 10 ppm total inlet impurities at suggested maximum flow rate VCR is a registered trademark of Swagelok Corporation Lifetime based on suggested maximum flow r...

Page 14: ...GOW MAC Instrument Co 14 ...

Page 15: ... a inch VCR gland including a female nut for connection to the 75 810 Test any new weld to verify there is no leak Likewise prepare a tube to connect to the GAS OUT fitting Connect the 75 810 GAS OUT to the CARRIER IN connection on the gas chromatograph or ZERO GAS IN connection on an analyzer The flat pin receptacle on the top panel allows monitoring of the cartridge temperature For usual operati...

Page 16: ...GOW MAC Instrument Co 16 ...

Page 17: ...rate at the desired flowrate CAUTION IF THE 75 810 SUPPLY OR VENT LINE IS ACCIDENTALLY VENTED TO ATMOSPHERE ASSUME AIR HAS ENTERED THE PURIFIER IMMEDIATELY SWITCH OFF POWER AND FLOW HELIUM OR ARGON THROUGH THE PURIFIER AT 50 TO 200 CCPM TO PURGE OUT ANY AIR EXPOSURE OF THE GETTER MATERIAL TO OXYGEN WHEN IT IS ABOVE 150 C WILL DESTROY THE MATERIAL AND MAY INITIATE AN EXOTHERMIC REACTION Examples of...

Page 18: ...GOW MAC Instrument Co 18 ...

Page 19: ...wer on the 75 810 and UNPLUG THE POWER CORD Open the case Loosen the hose clamp on the heatsink which is on the hydrogen removal stage Slide the heatsink away from the cartridge Move the heater and insulation from the first stage to the hydrogen stage and re tighten both Check integrity of wire connections inside the case Follow the steps for initial activation in order to regenerate the hydrogen ...

Page 20: ...Check integrity of wire connections inside the case and close the case Follow the steps for initial activation Refer to Section 5 Operation Start Up for activation procedure Waste Disposal This procedure is for the purifier cartridges in all models 75 810 If the purifier is used then the getter material inside the purifier is already in a non reactive state i e will not react with air If the mater...

Page 21: ...l K thermocouple 180 1000 HE Purifier cartridge for helium 1 4 VCR male connections Includes hydrogen removed stage and internal 0 003 micron filter and two 2 VCR gaskets Does not include insulation or heatsink 180 1000 AR Purifier cartridge for argon 1 4 VCR male connections Includes hydrogen removed stage and internal 0 003 micron filter and two 2 VCR gaskets Does not include insulation or heats...

Page 22: ...GOW MAC Instrument Co 22 ...

Page 23: ...Flow 60 ml min Carrier Gas Helium Carrier Flow 30 ml min Purifier Operating Temperature 400 C Factory pre set Impurities Responses mV s Concentration ppm H2 13 795 0 093 Ar 962 303 1 906 N2 68 516 0 189 ve peak CH4 92 381 0 085 CO 0 000 0 000 Table 1 Remaining Concentration of Impurities with Helium Purifier at 400 C Key Findings 1 CO is totally removed 2 N2 peak is negative N2 is removed by purif...

Page 24: ... ppm atmospheric gases in Argon Sample Flow 60 ml min Carrier Gas Argon Carrier Flow 40 ml min Purifier Operating Temperature 400 C Factory pre set Impurities Responses mV s Concentration ppm H2 259 943 0 215 O2 0 000 0 000 N2 0 000 0 000 CH4 58 359 0 034 CO 0 000 0 000 Table 2 Remaining Concentration of Impurities with Argon Purifier at 400 C Key Findings 1 O2 N2 and CO are totally removed 2 H2 a...

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