PRESSURE VACUUM (PV) VALVES
Combined pressure/vacuum valves are fitted to each cargo tank. These valves are designed to relieve positive or negative pressure in…
Category: Tanker
Cargo Pump Procedures (Centrifugal)
The main cargo pump system consists of three vertical centrifugal single stage double suction type cargo pumps. They are situated…
CARGO MEASURING EQUIPMENT
The Gauging system Most of the terminals these days demand that a closed gauging / sampling system be followed on…
INERT GAS SYSTEMS AND PROCEDURES
Inert gas system The salient features of the inert gas regulations are listed below Note: Nitrogen generators are now used…
TANKER OPERATIONS
Tank cleaning It is customary to clean the cargo tanks as a preparation to load the next cargo after the…
Cargo Pumps
A cargo pump is a machine used to propel the liquid cargo from the tank into a pipe so that…
MEASUREMENT OF OIL CARGOES & ASTM TABLES
Oil cargoes, like any other substance, can be measured in volume or weight. The volume will vary with temperature and…
Tanker Definitions
The International safety guide for oil Tankers and Terminals (ISGOTT) provides definitions of tanker terminology in common usage. Some important…
Oil Tanker Cargo Tank Atmosphere Control
On a oil tanker the cargo oil tank atmosphere changes as per various operations the ship is performing. These includes…