User guide

BT-472 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
Gas Withdrawal Circuit 11
Economizer Circuit 12
Safety Devices 12
Instrumentation Circuits 13
INSTALLATION 14
Receiving Inspection 14
Handling 14
Vessel Installation Guidelines 14
Fill Box Installation Guidelines 14
OPERATION 17
Filling by Pressure Transfer 17
Filling by Pump Transfer 17
Withdrawing Gas 18
Withdrawing Liquid 18
Changing Gas Service 18
MAINTENANCE 19
Leak Test 19
Globe Valves 19
Regulators 20
Instruments 21
Checking Vacuum 21
Trouble-Remedy Guide 23
Replacement Parts 24
APPENDIXES 25
Appendix 1 – Express Fill 700/1000 General Arrangement 25