Summary of Contents for CHART LH2 ST18600
- Page 1 Product Manual LH2 ST18600 Transport Trailer Designed and Built by: Chart Inc. 4075 Hamilton Blvd. Theodore, AL 36582 USA (800) 400-4683 Part Number 22034324 Rev. B © 2023 Chart Inc.
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Page 3: Table Of Contents
Product Manual - Liquid Hydrogen Trailer Series Contents Revision Log Preface ........... . General Reporting Safety Defects Non-disclosure Agreement... -
Page 4: Revision Log
Product Manual - Liquid Hydrogen Trailer Series Maintenance & Repair ..........................20 Inspection Lubrication Running Gear Vacuum Soap Testing the Outer Shell Valves and Safety Devices Shut Off Valves Insulation Gauges Electrical System Emergency Shutoff and Hose Interlock/Anti-Tow Pneumatic System Preventive Maintenance Log Specifications .............................. -
Page 5: Preface
The design of this trailer and contents of this manual the trailer at all times. The purpose of this manual is to are the intellectual property of Chart Inc. and protected provide owners, operators, and service technicians with the by various non-disclosure agreements between Chart, precautions and operating procedures essential for the safe customers, and subsidiaries of both companies. -
Page 6: Terms
Preface Product Manual - Liquid Hydrogen Trailer Series Acronyms / Abbreviations The following acronyms / abbreviations are used throughout this manual: ASME American Society of Mechanical Engineers Ultra-compact Valve (Pneumatic-Actuated) Metric Unit of Pressure Voltage - Alternating Current BARG Metric Unit of Gauge Pressure Voltage - Direct Current Compressed Gas Association Variable Frequency Drive... -
Page 7: Safety
Product Manual - Liquid Hydrogen Trailer Series Safety Safety Warning! NEVER use components (valves, gauges, fittings, etc.) or piping as steps or footholds. Always use Safety Summary appropriate equipment to access components for Although safety features have been installed to aid in safe maintenance or repair. -
Page 8: Remove Excess Pressure And Liquid
DOT regulations nor to build pressure above its MAWP. strongly recommended that damaged vessels be evaluated by Further, the trailer is intended for operation only by trained trained Chart technicians prior to returning the vessel professionals and in accordance with CFR. While the liquid into service. -
Page 9: Design Modification
• DO NOT alter the trailer design or perform any service inconsistent with the instructions outlined in this manual without the prior written approval of Chart Inc. • ALWAYS use replacement parts authorized by Chart Inc. when replacing parts and components. Operator Qualifications Chart hydrogen trailers are designed for safe and simple operation. -
Page 10: Introduction
Introduction Product Manual - Liquid Hydrogen Trailer Series Introduction General Precautions with the saturation condition of the liquid. Saturation can also be described as an energy state. Liquid molecules at a higher energy state (warmer) take up more space, which is Cryogenic liquids, even in large quantities can be safely often referred to as liquid growth. -
Page 11: Pressure Drop
Product Manual - Liquid Hydrogen Trailer Series Introduction Pressure Drop Pressure lost due to the flow of liquid. The faster liquid flows through the piping circuit, the higher the pressure drop. Stratification Warm liquid is less dense. This less dense liquid will find its way to the top of the tank. -
Page 12: Operations
Use Evacuation or sweep purge with cold hydrogen gas 10. Pressure purge This trailer was shipped from Chart Inc. cleaned, tested, purged with nitrogen, and, in the case of some units, filled The detailed procedures for purging and precooling with and in hydrogen service. - Page 13 “open” position to open valves (UV9) and (UV10). Caution! The liquid level gauge and liquid level chart are intended 33. Throttle valve (HV10) to maintain container pressure for liquid hydrogen and will between 5 psig (minimum) and 100 psig (maximum).
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Page 14: Sweep And Pressure Purge
Operations Product Manual - Liquid Hydrogen Trailer Series 39. Check all connections, joints, safety devices, valves and 50. Purge external piping and valves with hydrogen gas per gauges for leakage. Check both outlet circuits of valve steps 14, 15, 16, 17, 24 and 26 of Cooldown and Purging. (HV59). -
Page 15: Filling By Weight
Product Manual - Liquid Hydrogen Trailer Series Operations Caution! OPEN VALVES SLOWLY AND – PG = Density of gas in the trailer at time of initial weighing WITH EXTREME CARE. BE SURE ALL CONNECTIONS ARE – PE = Density of liquid in trailer at time of final TIGHTENED SECURELY TO weighing AVOID LEAKS DURING LIQUID... - Page 16 Operations Product Manual - Liquid Hydrogen Trailer Series Upon arrival at the customer site: If the customer’s tank pressure is greater than 125 psig, contact your supervisor for further instructions before Obey all customer site regulations such as yard speed continuing with this procedure.Activate the trailer’s limits.
- Page 17 Product Manual - Liquid Hydrogen Trailer Series Operations 18. Remove the protective cap from the other end of 26. Open the trailer’s pressure building coil return valve the hose and inspect the nozzle piece for damage (HV42). and foreign material. Wipe the nozzle piece with a 27.
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Page 18: Abnormal Situations
Operations Product Manual - Liquid Hydrogen Trailer Series 32. When the customer’s tank liquid contents gauge purge valve, leaving a slight positive pressure on the approaches the full mark, open the customer’s tank full end connection. Check the connection cap for leaks; trycock valve and watch the customer’s fill termination however, do not attempt to repair leaks while the cap is device (gauge). -
Page 19: Reading Liquid Level
Recommended torque - 200 +/- 10 FT LBS A conversion chart in inches of water to gallons of liquid hydrogen is mounted on the curb side compartment Safety Relief Valve Removal door. -
Page 20: Suspension Air
10. Seal casing access hole with lap patch. 11. Restore vacuum to annular space. 12. Mass Spectrometer Test casing. Note: Chart Inc. takes no responsibility for the implementation of the above described procedure. This is a very difficult operation and should be performed by experienced, qualified organizations with A.S.M.E. -
Page 21: Troubleshooting
Troubleshooting Troubleshooting Use the following troubleshooting table as a guideline to diagnose your Chart system should problems develop. This table cannot replace the knowledge that an experienced operator or cryogenic technician has, and should be considered as a guide only. The table consists of the Symptom, Probable Cause and Remedy columns. Probable causes for a specific problem are listed in a descending order of significance. - Page 22 Troubleshooting Product Manual - Liquid Hydrogen Trailer Series Symptom Possible Cause Remedy No brakes (spring Source of air supply shut off at towing vehicle Open shut-off cocks at rear of towing vehicle brakes excepted( Low brake line pressure on towing vehicle Check air pressure gauge Properly couple brake lines Brake lines between towing vehicle and trailer not...
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Page 23: Suggested Preventative Maintenance Schedule
Product Manual - Liquid Hydrogen Trailer Series Troubleshooting Suggested Preventative Maintenance Schedule Item Operation Performance Interval Suspension and Torque all nuts, bolts and air-line fittings on air Every 3,000 miles running gear suspension and check air suspension Steam clean body, kingpin area and chassis Every 7,500 miles Complete lubrication Every 7,500 miles... -
Page 24: Maintenance & Repair
Maintenance & Repair Product Manual - Liquid Hydrogen Trailer Series Maintenance & Repair Inspection Lubrication General Running Gear This section contains maintenance information. Most parts to Check the oil level periodically and add SAE 80W-90 aid in service and repairs are easily accessible and replaceable. synthetic gear oil as needed. -
Page 25: Soap Testing The Outer Shell
Shut Off Valves The following procedure should be used with Chart trailers. Valves do not require regular maintenance. A periodic Seal off container safety relief valve and rupture disc inspection for leaks is desirable. -
Page 26: Electrical System
Maintenance & Repair Product Manual - Liquid Hydrogen Trailer Series Emergency Shutoff and Hose Interlock/ read properly, it should be replaced. The “0” reading of the gauge should be checked before each use, if it is found Anti-Tow Pneumatic System out of adjustment it should be corrected following the manufacturer’s recommended procedure in the owner This trailer is equipped with 4 emergency stop switches... -
Page 27: Preventive Maintenance Log
Product Manual - Liquid Hydrogen Trailer Series Maintenance & Repair Preventive Maintenance Log Date Preventive Maintenance Performed Notes... -
Page 28: Specifications
Design and Construction Code DOT MC338 Insulation SI Wrap (NER 0.7%) Annular Space Pressure 10 Microns (warm) Diameter 102-1/4” Kingpin Structure Manufacturer Chart Inc. (P/N 22033791) Type Bolted adjustable Adjustment Forward/Rearward 27” Loaded Height 48” Kingpin Type Holland Mushroom Series (KP-T809F) Landing Gear... - Page 29 PVC 8” Pipe Sch. 40 w/Stainless Steel Liner Doors Alum. Door for PVC Tube - Front (rear open to rear cabinet) Delivery Hose Chart Supplied - 21983270, LH2 VJ FLEX HOSE, 175PSI, 16FT, ACME #7875 (B31.12) - HQK Piping Details Gas Phase Withdrawal Valve ACME 2”...
- Page 30 Specifications Product Manual - Liquid Hydrogen Trailer Series Pressure Building Coil Connection Welded Rating 300 gpm Product Meter Meter Turbines Inc. HMC0200 Monitor Turbines Inc. CDS1000-TPC-H2-EX Paint Paint Decals Regulatory, Chart Inc. and Customer supplied...