Sampler Request Form
Sample Receiver Types
See below this page additional information
Sample bottles
Suitable for samples with;
- Process pressure < 8 barg
- Vapor pressure < 0.7 barg
- High pressure application > 8 barg suitable with Fixed Volume Sampler Type.
Sample cylinder
Suitable for samples with;
- Process pressure > 8 barg
- Vapor pressure > 0.7 barg
Terminology
SAMPLE PRESSURE
This is the sample pressure at sample tap (take-off) point, if available please fill in the minimum, normal (operation) and maximum (design) conditions.
SAMPLE TEMPERATURE
This is the sample temperature at sample tap (take-off) point, if available please fill in the minimum, normal (operation) and maximum (design) conditions. If the operating temperature is above approx. 60-70°C you need a sampling system with sample cooler!
VAPOR PRESSURE
The vapor pressure of a liquid sample depends on the selection if your sample can be collect in a (glass) bottle or a stainless steel sample cylinder.
Low vapor pressure samples < 0.7 barg can be collect in (glass) bottles.
High vapor pressure samples > 0.7 barg should be done in sample cylinders.
Definitions
VAPOR PRESSURE
The pressure exerted by the vapor of a liquid when in equilibrium with the liquid at a given temperature in a closed system. The pressure exhibited by vapor present above a liquid surface is known as vapor pressure. As the temperature of a liquid increases, the kinetic energy of its molecules and thereby also the vapor pressure increases. A substance with a high vapor pressure at normal temperatures is often referred to as volatile.
Volatile Sample
Any sample that has a dry vapor pressure in the range of 0.13 to 1.05 bara (2 to 16 psia).
Toxic Sample
The U.S. Environmental Protection Agency or EPA defines a toxic chemical as any substance that will harmful to humans and the environment or hazardous to your health if inhaled, ingested or absorbed through the skin.
Hazardous Sample
Any sample that is not permitted to be discharged into the atmosphere or into an open drain by any applicable authority.
Spot Sample
A sample taken at a specific location in a tank or from a flowing stream in a pipe at a specific time.
ASTM D4057
Manual Sampling of Petroleum and Petroleum Products.
ASTM D1265-05
Standard Practice for Sampling Liquefied Petroleum (LP) Gases, Manual Method Sampling System (closed loop sampler).