Related Manuals for Thermo Scientific 8120
Summary of Contents for Thermo Scientific 8120
- Page 1 Model 8120 180 Liter, LN2 Supply Tank Operating and Maintenance Manual 8008120 Rev. 2 Visit us online to register your warranty www.thermoscientific.com/labwarranty...
- Page 2 Removed pressure building kit and references as it is unavailable 1/05 Clarified page references in Specifications and the parts list in Operation 7/03 Updated information from manufacturer 9/96 Manufacturer’s manual ECR/ECN DATE DESCRIPTION Thermo Scientific 180 liter LN2 Supply Tank...
- Page 3 Material in this manual is for information purposes only. The contents and the product it describes are subject to change without notice. Thermo Scientific makes no representations or warranties with respect to this manual. 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.
- Page 4 This product is required to comply with the European Union’s Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Thermo Scientific has contracted with one or more recycling/disposal companies in each EU Member State European Country, and this product should be disposed of or recycled through them.
- 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 180 liter LN2 Supply Tank...
- Page 7 Failure to do so may result in personal injury because of the extreme cold and pressure in the cylinder. 180 liter LN2 Supply Tank Thermo Scientific...
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Page 8: Table Of Contents
Reassembly ......... . .6-7 Thermo Scientific... - Page 9 Warranty Information .........8-1 viii 180 liter LN2 Supply Tank Thermo Scientific...
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Page 10: Introduction
They are primarily used as a self-contained gas supply. They can be used with a variety of accessories such as the M-45 Manifold to provide larger gas storage capacities. Thermo Scientific 180 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. 180 liter LN2 Supply Tank Thermo Scientific... -
Page 12: Responsibilities When Filling Cylinders
4. Dispose of cylinders properly. To eliminate the risk of injury from the improper reuse of cryogenic (vacuum jacketed) cylinders, before disposal, destroy the cylinder’s pressure retaining capability. Thermo Scientific 180 liter LN2 Supply Tank... -
Page 14: Features
The performance of the vaporizer to convert cold liquid into gas is shown by how the outlet gas temperature drops as the gas flow rate increases. Thermo Scientific 180 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. 180 liter LN2 Supply Tank Thermo Scientific... -
Page 16: Theory Of Operation
Cryo-Cyl LP Pressure Relief Valve – Used to limit pressure in the liq- Figure C. Plumbing uid cylinders. Liquid Level Gauge – Used to approximate the liquid contents of the liquid cylinder. Thermo Scientific 180 liter LN2 Supply Tank... -
Page 17: Pressure Transfer
This method should always be used PRESSURE BUILDING for liquid only vessels such as COIL the Cryo-Cyl LP. Figure D shows the pressure transfer Figure D. Pressure Transfer method of filling. 180 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 180 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 180 liter LN2 Supply Tank... -
Page 21: 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. 180 liter LN2 Supply Tank Thermo Scientific... -
Page 22: Filling Weight Table
NITROGEN 327 lbs. (148 kg) Their related volumes may vary with OXYGEN 465 lbs. (211 kg) product density. ARGON 573 lbs. (260 kg) * Relief valve setting at 22 psig (1.5 BAR) Thermo Scientific 180 liter LN2 Supply Tank... - Page 23 29-1060-1 Lockwasher – 1/4" (S.S.)" 12-1075-2 Brass Cap – 1/4” FPT 12-1081-2 Brass Plug – 1/4” MPT 9715759 Glove Valve Repair Kit * Recommended spare parts 14 15 16 Figure F. Component Identification 180 liter LN2 Supply Tank Thermo Scientific...
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Page 24: 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 180 liter LN2 Supply Tank... -
Page 25: Troubleshooting
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) 180 liter LN2 Supply Tank Thermo Scientific... - Page 26 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 180 liter LN2 Supply Tank...
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Page 28: Service And Maintenance
Caution Whenever converting a Nitrogen or Argon cylinder to Oxygen use, inspect the cylinder to assure cleanliness. Thermo Scientific 180 liter LN2 Supply Tank... -
Page 29: 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. 180 liter LN2 Supply Tank Thermo Scientific... -
Page 30: Changing The Service Pressure
3. Remove the metal identification tag. 4. Install the new identification tag and relief valve; use oxygen compatible thread sealant or teflon tape. 5. Pressurize the container and leak test with oxygen compatible snoop solution. Thermo Scientific 180 liter LN2 Supply Tank... -
Page 31: 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 Figure H. Gauge 29-5232-1 Set Screw 54-1136-9 Float Rod Assy - Cryo-Cyl 180LP w/ Sight Glass 180 liter LN2 Supply Tank Thermo Scientific... - Page 32 Warning Remove all pressure from the Cryo-Cyl before repairing the liquid level gauge. Gloves should be worn when handling the float rod to prevent burns. DO NOT clean the plastic sight gauge with solvent cleaners. Thermo Scientific 180 liter LN2 Supply Tank...
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Page 33: Rebuilding The Operational Valves
5. Inspect body and clean if necessary, be sure interior and seal areas are free of dirt, residue, and foreign particles. Caution Do not scratch or mar internal surfaces of valve. 180 liter LN2 Supply Tank Thermo Scientific... -
Page 34: Reassembly
14. Turn handwheel (Item 1) fully clockwise to close valve. 15. Pressurize system, check valve for proper operation and check all seal points for leaks by inspecting thoroughly. Thermo Scientific 180 liter LN2 Supply Tank... - Page 35 Repair Kit P/N 97-1575-9 (except Item 11 which is not available as a Screw repair part). Spring Bonnet Stem Bonnet Washer Washer Bushing Seal Body and Tube Seat Disc & Nipple Asm Seal Washer Washer Gasket 180 liter LN2 Supply Tank Thermo Scientific...
- Page 36 These are oxygen deficient atmospheres, oxygen enriched atmospheres, and exposure to inert gases. Thermo Scientific 180 liter LN2 Supply Tank...
- Page 37 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. 180 liter LN2 Supply Tank Thermo Scientific...
- Page 38 Additional information on nitrogen gas is available in CGA Pamphlet P-9. Write to: Compressed Gas Association, Inc New York, NY 10110. Thermo Scientific 180 liter LN2 Supply Tank...
- Page 40 Thermo Scientific 180 liter LN2 Supply Tank...
- Page 42 Thermo Fisher Scientific 401 Millcreek Road Marietta, Ohio 45750 United States www.thermofisher.com...