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Records of gas carriers cargo temperature,pressure gauges-calibration of key cargo instrumentation
(1) There should be records of the regular checking and calibration of instrumentation, particularly cargo tank temperature and pressure gauges and reliquefaction plant instruments.
(2) Calibration should be carried out preferably at intervals not exceeding 30 months.
(3) Calibration of instrumentation is often difficult whilst the vessel is in service and it is usually carried out during repair periods. However, comparisons between local and remote thermometer readings and cross checking with cargo vapour pressure (from tables) provide a practical cross-reference, particularly for high purity cargoes such as Polymer Grade Propylene.
Related Information:
- The high level alarm system
- Use of cargo as fuel -Cargo conditioning, reliquefaction and boil-off control for LNG carriers
- Manifold arrangements
- Gas analyzing equipment
- Custody Transfer Measurement (CTM) System
Other info:
- Low Cargo Temperature Effects -Ice Formation in gas carrier cargo system
- How to cool down cargo system - a brief guide to Liquefied gas carrier
- Preventive measures against spillage of low temperature cargo in Liquefied gas carrier
- Low Cargo Temperature Effects -What is rollover of Liquefied gas cargo ?
More info pages:
Preparatory operations for drydocking
Hazards of electrical equipment on board
Discussion prior to cargo transfer in liquefied gas carrier
Handling LPG And ammonia cargo - preparation for loading
The risk of discharging cargo - a brief outline to liquefied gas carriers
The risk of laden voyage - a brief guide to liquefied gas carriers
Connection and disconnection of cargo hoses and hard arms
Cargo conditioning, reliquefaction and boil-off control requirement for a liquefied gas carrier
Cargo Containment Systems in Liquefied Gas Carriers
cargo emergency shutdown requirement
damage stability guideline for liquefied gas carriers
Various Cargo handling equipments onboard
Cargo hoses connection guideline
Documents accompanying a liquid gas cargo
How LNG transferred from shore to ships cargo tanks ?
Cargo operation guideline onboard a liquefied gas carrier
Cargo piping Systems in Liquefied Gas Carriers
cargo planning requirement
cargo and pumproom safety precautions
cargo stripping guideline
Emergency response for cargo system leaks
Emergency response for cargo tank rupture
Risk of overfilling of cargo tank during loading onboard a liquefied gas carrier
Preparation for cargo transfer
cargo transfer between vessels- safety guideline
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