Manual

BT-481 REV. B
Table of Contents
WARNING 3
Safety Precautions for Liquid Oxygen 3
Safety Precautions for Liquid Nitrogen 4
Safety Precautions for Liquid Carbon Dioxide 4
Safety Precautions for Liquid Nitrous Oxide 5
INTRODUCTION 6
System Description 6
Specifications 7
PIPING CIRCUITS 8
Fill and Vent Circuits 9
Express Fill Circuit 9
Pressure Building Circuit 10
Internal Vaporizer, External Vaporizer Inlet, and Economizer 13
Safety Devices 14
Instrumentation Circuits 15
INSTALLATION 16
Receiving Inspection 16
Handling 16
Vessel Installation Guidelines 16
Fill Box Installation Guidelines 16
OPERATION 19
Filling by Pressure Transfer 19
Filling by Pump Transfer 19
Withdrawing Product 20
Withdrawing Liquid 20
Changing Gas Service 20
MAINTENANCE 21
Leak Test 21
Globe Valves 21
Regulators 22
Instruments 23
Vacuum 23
Trouble-Remedy Guide 24
Replacement Parts 25
APPENDIXES 26
Appendix 1 – Express fill 1500 General Arrangement 26