Liquid Sampling Systems

Spot Sample Stations for Liquids

Mechatest design custom made liquid spot sample systems that can take spot samples of liquids under high pressure or under normal atmospheric circumstances.

The systems with sample cylinders enable operators to obtain samples of liquids with high process pressures, liquefied gasses and hazardous or toxic, the bottle samplers with or without needle can be used as closed loop sampler on low process or vapor pressures, non hazardous or toxic, water or viscous solutions.

The spot sample collected in a sample cylinder is more safe and easy for transportation to the lab.

Slim design make the Mechatest systems the best choice for any customer specific application.

Mechatest Liquid Sampling Solution Rack System
Mechatest Sampling Solution Rack System

Sampling System Features

  • Complete sampling systems available in 316 stainless steel, Monel, Inconel, Incoloy, Hastelloy, Duplex or PTFE
  • Custom made to customer specifications and sample bottle
  • Samples with process temperature > 60°C shall be equipped with sample cooler
  • Cylinders conform to the “Transportable Pressure Equipment Directive 99/36/EC” (TPED) and the “Shipping Container Specifications” DOT from the U.S.
  • Outage tubes for providing vapour space in cylinders
  • One-handle operation by multiple valves guarantees simple operation and easy sample taking without complicated sampling procedures
  •  Sampling systems with NACE MR0175 or NACE MR0103 standard


Closed Sampling (emission free) Yes
Low Pressure Yes
High Pressure Yes
Low Vapor Pressure n.a.
High Vapor Pressure n.a
Low Temperature (max. - 100°C) n.a.
High Temperature Yes

Applications will found in the Petrochemical and Chemical industry, products to be sampled are;

  • Acid samples
  • Amine samples
  • Alcohol samples
  • Aromatic samples
  • Benzene samples
  • Bio-fuel samples
  • Chemical mixture samples
  • Glycol samples
  • Gasoline samples
  • Hydrocarbon samples
  • Ketone samples
  • Kerosene samples
  • Naphtha samples
  • Paraffin samples
  • Solvents samples
  • Toluene samples
  • etc.

Sampling systems for Liquid Applications, for high pressure, low and high temperature, corrosive, arduous and sour service, strong toxicity, strong volatile and dangerous liquid gas mixture or gas which is bane to the environment.

Applicable Codes & Standards

  • ASTM D 4057
  • ASTM D1265-05
  • NACE MR0175 or MR0103

Check our list of all specific "sampling" codes & standards.

Safety Accessories

  • Spring return handles on valves
  • Safety relief devices for overpressure protection
  • Activated carbon filters on the venting outlet
  • Venting solutions to release pressure on the quick connectors or purging
  • Drain or drip trays with flange connections

VOC Detection in Sample Cabinet

Oil installations, petrochemical plants and refineries are industrial sites that manage several raw materials (crude oil, natural gas, chemical intermediates, etc.), thus having great impact on the environment. Industrial processes may generate VOC emissions to the atmosphere, so prevention and control is becoming a very important issue in the petroleum industry.

Mechatest deliver VOC detection systems to include in our sampling system cabinets, read more about the possibilities of VOC monitoring detection systems.

Mechatest Fixed Volume Liquid Sampler Configuration MBS-D1

Mechatest Gas Sample Probe

Importance of Sample Probes

Sample probes are very important and mostly an underestimated part of the sampling system.
Why you should use sample probes;

  • Free First Filtration Effect!
  • Faster Response (< Lag Time)
  • Representative Sample, better results!
  • Moisture Filtration (fallback) Principle
Mechatest Retractable Sample Probe

Sample Probes Types

  • Open Probes
  • Filter Probes
  • Multiport Probes
  • Heated Probes
  • Fallback Probes
  • Small Bore Gas Probes
  • Retractable Sample Probes
  • Isokinetic Steam Probes

Probes Calculating Services

  • Lag Time
  • Velocity
  • Probe Vibration
  • Moisture Fallback Effect