Related Manuals for Thermo Scientific 8121 PLC-230 LP
Summary of Contents for Thermo Scientific 8121 PLC-230 LP
- Page 1 Model 8121 PLC-230 LP Cryogenic Liquid Cylinder Operating and Maintenance Manual 8008121 Rev. 2 Visit us online to register your warranty www.thermoscientific.com/warranty...
- Page 2 Preface MANUAL NUMBER 8008121 28202 2/21/12 Removed pressure building kit and references as it is unavailable 10/20/03 Updated information from manufacturer 9/3/96 Original from manufacturer ECR/ECN DATE DESCRIPTION Thermo Scientific 230 liter LN2 Supply Tank...
- Page 3 In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related to the use of this manual. ©1996 Thermo Fisher Scientific. All rights reserved. 230 liter LN2 Supply Tank Thermo Scientific...
- Page 4 European Country, and this product should be disposed of or recycled through them. Further information on Thermo’s compliance with this directive, the recyclers in your country and information on Thermo Scientific products will be available at www.thermofisher.com. Always use the proper protective equipment (clothing, gloves, goggles, etc.) 4 Always dissipate extreme cold or heat and wear protective clothing.
- Page 5 We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products. Whatever Thermo Scientific products you need or use, we will be happy to discuss your applications. If you are experiencing technical problems, working together, we will help you locate the problem and, chances are, correct it yourself...over the telephone without a service...
- Page 6 DO NOT permit smoking or open flames in any area where oxygen is stored, handled, or used. Failure to comply with this warning may result in serious personal injury. Thermo Scientific 230 liter LN2 Supply Tank...
- Page 7 Personnel must wear protective gloves and eye protection whenever removing parts or loosening fittings. Failure to do so may result in personal injury because of the extreme cold and pressure in the cylinder. 230 liter LN2 Supply Tank Thermo Scientific...
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Page 8: Table Of Contents
Vented Evaporation Loss Test .......6-2 Pressurized Evaporation Loss Test ......6-3 Thermo Scientific 230 liter LN2 Supply Tank... - Page 9 Warranty Information .........9-1 viii 230 liter LN2 Supply Tank Thermo Scientific...
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Page 10: Introduction
The Cryo-Cyl Series liquid cylinders also have capacity distinctions; the number after their name that designates net capacity in liters (the Cryo- Cyl 230 indicates 230 liters capacity). See Specifications for more detail. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 11: Cylinder Design
In a stand-alone operating environment, it enables the user, through use of the vent, liquid, and pressure relief devices, to completely control the liquid cylinder's operation. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 12: Cylinder Identification
The data plate shows the serial number and pressure rating for that cylinder. Do not remove or alter in any way. Figure C. Data Plate Thermo Scientific 230 liter LN2 Supply Tank... -
Page 13: Responsibilities When Filling Cylinders
1. Purge the cylinder’s contents. 2. Drill multiple hole through the cylinder and its vacuum casing, or otherwise puncture the tank. Do it yourself! Don’t assume it will be done by the scrap dealer. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 14: Features
Performance The normal evaporation rate (NER) is an indication of how well the insulation system performs its ability to hold cryogenic liquid. The Cryo- Cyl Series NER is shown in the Specifications chart. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 15: Specifications
2) Peaks of up to 4X continuous flow rates can be sustained for 5 minutes if the vaporizer coils are allowed to thaw in between. 3) Height may vary on caster base models depending on specified wheel diameter. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 16: Theory Of Operation
Pressure Gauge – Indicates cylinder pressure. Pressure Relief Valve – Used to limit pressure in liquid cylinders. Liquid Level Gauge – Used to approximate the liquid PRESS contents of the liquid cylinder. BUILD Cryo-Cyl LP Figure C. Plumbing Thermo Scientific 230 liter LN2 Supply Tank... -
Page 17: Pressure Transfer
This allows gas to escape and lowers the pressure VAPORIZER in the liquid cylinder. Figure PRESSURE D shows the pressure transfer BUILDING method of filling. COIL Figure D. Pressure Transfer 230 liter LN2 Supply Tank Thermo Scientific... -
Page 18: Liquid Withdrawal
All personnel should be fully instructed in the cautions associated with handling cryogenic fluids and the proper clothing and protective gear to be used. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 20: Operation
22 psi (1.5 BAR) and vent slowly into the atmosphere. The transportation of the cryogenic products in these liquid cylinders is not regulated by the DOT/TC since the pressure is normally below 25 psi (1.7 bar). Thermo Scientific 230 liter LN2 Supply Tank... - Page 21 Bolt – 1/4-20 X 5/8" Lg. (S.S.) 29-1060-1 Lockwasher – 1/4" (S.S.)" 12-1075-2 Brass Cap – 1/4” FPT 12-1081-2 Brass Plug – 1/4” MPT * Recommended spare parts 14 15 16 Figure F. Component Identification 230 liter LN2 Supply Tank Thermo Scientific...
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Page 22: Filling Procedures
7. Close the transfer line shut-off valve and relieve the pressure in the transfer line. Remove the transfer line. Remove the cylinder from the scale. Caution The transfer hose will have pressure in it that must be relieved before the hose is completely removed. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 23: Filling Weight Table
NITROGEN 401 lbs. (182 kg) Their related volumes may vary with OXYGEN 570 lbs. (258 kg) product density. ARGON 702 lbs. (318 kg) * Relief valve setting at 22 psig (1.5 BAR) 230 liter LN2 Supply Tank Thermo Scientific... -
Page 24: Cylinder Base Design
Swivel caster 4” magnetic *230 31-1068-9 2 (1 on RB) Swivel caster 5” non-magnetic w/brake *230 31-1068-9 2 (4 on RB) Swivel caster 5” non-magnetic *4” Magnetic without brake is standard - 5” non-magnetic optional. Thermo Scientific 230 liter LN2 Supply Tank... - Page 25 Section 5 Cylinder Base Design 230 liter LN2 Supply Tank Thermo Scientific...
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Page 26: Troubleshooting
The rupture of the disc indicates an inner vessel leak. Return the liquid cylinder to the factory for repair. If the rupture disc is intact and a vacuum loss is still suspected, perform an evaporative loss rate test. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 27: Vented Evaporation Loss Test
6. A weight loss of more than 10 lbs. (4.5kg) in 48 hours is considered excessive; contact your local Chart distributor, or the factory for appropriate disposition. 8. If the weight loss is not excessive, proceed with pressurized evaporation loss test. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 28: Pressurized Evaporation Loss Test
Follow the troubleshooting guide and the repair procedures found in the Service and Maintenance section. If there are any other questions, contact Chart's Technical Service Department at 1-800-400-4683. Thermo Scientific 230 liter LN2 Supply Tank... - Page 29 This is normal. The frost should melt within two hours circumference of the liquid into gas. after the gas use stops shell 10" (25.4 cm)from the floor and up. Frost spot spirals up the shell. (continued) 230 liter LN2 Supply Tank Thermo Scientific...
- Page 30 Possible dry ice blocks have Refer to Service & Maintenance section for reliquefying In CO2 service, cylinder formed in system. procedures. does not deliver product properly. For further information contact Chart's Technical Service Department at (800) 400-4683. Thermo Scientific 230 liter LN2 Supply Tank...
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Page 32: Service And Maintenance
Caution Before conducting maintenance or replacing parts on a cylinder, release container pressure in a safe manner. Replacement of certain cylinder parts may require that the container contents be completely emptied. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 33: Changing Service
5. Break the vacuum to 5 psig (0.3 bar) with high purity gas as required by the service of the container. 6. Repeat Steps 5 and 6 twice. 7. Close all valves and remove the vacuum and gas purge lines. The container is now ready for filling. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 34: Fittings And Decals
The sight gauge decal (shown in Figure H) should be located so that the bottom of the decal lines up with the ridge on the sight gauge tube. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 35: Changing The Service Pressure
18-1156-2 18-1004-2 18-1065-2 18-1141-2 38-1676-9 18-1006-2 18-1140-2 18-1087-2 38-1541-1 18-1046-2 38-1541-1 18-1121-2 38-1540-1 18-1271-2 500psi 10686878 500psi *For CO and N 0 service only. All other relief valves are for cryogenic service only. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 36: Cryo-Cyl In Liquid Service
Liquid Level Sight Gauge 54-1059-1 Extension Spring 23-0009-4 O-Ring (Silicone) 10561266 Spring Retainer - 180 and 200 w/ Sight Glass 29-5232-1 Set Screw Figure H. Gauge 54-1136-9 Float Rod Assy - Cryo-Cyl 230LP w/ Sight Glass Thermo Scientific 230 liter LN2 Supply Tank... -
Page 37: Rebuilding The Operational Valves
Caution To avoid binding due to freezing at cryogenic temperatures, entry of moisture into the upper valve stem area must be prevented. Seals, gaskets and washers must be in good condition and installed carefully and properly. Torque recommendations must be strictly followed. 230 liter LN2 Supply Tank Thermo Scientific... - Page 38 1. Referring to Figure I, open valve by turning handwheel counterclockwise as far as it will go to release any trapped gas in the system. Caution Do not apply force after valve is fully open. Thermo Scientific 230 liter LN2 Supply Tank...
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Page 39: Disassembly And Repair Procedure
(Item 7). 6. Install bonnet washer (Item 7) over stem (Item 6) on bonnet. 7. Place handwheel (Item 1) over stem and on bonnet. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 40: Applications And Accessories
4 foot (P/N 4000400) or 6 foot (P/N 4000401) lengths. These hoses are of stainless steel construction. A Phase Separator (P/N 4000571) helps keep the liquid from splashing while it is being transferred in an open dewar. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 42: Safety Bulletin
The remainder of this safety bulletin addresses those adverse environments that may be encountered when a cryogenic container has been severely damaged. These are oxygen deficient atmospheres, oxygen enriched atmospheres, and exposure to inert gases. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 43: Oxygen Deficient Atmospheres
1. Use the “buddy system”. Use more than one “buddy” if necessary to move a fellow worker in an emergency. 2. Both the worker and the “buddy system” should be equipped with self- contained or air-line breathing equipment. 230 liter LN2 Supply Tank Thermo Scientific... -
Page 44: Oxygen Enriched Atmospheres
Many such materials may be ignited by friction at a valve seat or stem packing, or by adiabatic compression produced when oxygen at high pressure is rapidly introduced into a system initially at low pressure. Thermo Scientific 230 liter LN2 Supply Tank... -
Page 45: Nitrogen
Additional information on nitrogen and argon gas is available in CGA Pamphlet P-9. Write to: Compressed Gas Association, Inc New York, NY 10110. 230 liter LN2 Supply Tank Thermo Scientific... - Page 46 Thermo Scientific 230 liter LN2 Supply Tank...
- Page 48 Thermo Fisher Scientific 401 Millcreek Road Marietta, Ohio 45750 United States www.thermofisher.com...
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