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Dopak Sampling Systems
DOPAK SAMPLING SYSTEMS

Dovianus develops, produces and markets sampling systems for liquids, gases and liquefied gases under the name Dopak. We are respected for our sampling systems in the international chemical and petrochemical industries. Dopak closed vent samplers allow you to safely take samples of toxic, dangerous and volatile substances, without any danger for your operators or the environment.

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Closed Vent Samplers

DPM Series

DOPAK® Sampling System to take representative samples
of fluids with low vapour pressures at low process pressures. Purge options are available.

Applications

Liquids at lower pressure
Sampling with low vapour pressures Corrosive, hazardous liquids Viscous fluids, slurries
Sampling from pipelines and tanks

Available Configurations

On/off
System Purge
Back purge
Needle purge
Back and needle purge
System purge and continuous needle purge In line, needle purge

HD Series

DOPAK® Sampling System to take representative samples
of fluids with low vapour pressures at low process pressures by using process valves.

Applications

Liquids at lower pressure
Sampling with low vapour pressures Corrosive, hazardous liquids Viscous fluids, slurries
Sampling from pipelines and tanks Fire safe/antistatic valves

Available Configurations

On/off

DOPAK HD Samplers

DOPAK® Sampling System to take representative samples
of fluids with higher viscosities by using piston valves. Outlet of sample valve will be purged to ensure zero dead volume.

Applications

Fixed volume sampling
Corrosive, hazardous liquids
Viscous fluids, slurries
Sampling from pipelines, tanks, reactors Vacuum conditions

Liquids at low and elevated pressures High temperature

Available Configurations

Purge
Fixed volume
Fixed volume with cooling/heating jacket Solvent purge

DPJ Series

DOPAK® Sampling System to take representative samples of fluids with higher viscosities by using piston valves. Outlet of sample valve will be purged to ensure zero dead volume.

DOPAK DPT Series

DOPAK® Sampling System to take representative samples
of fluids with low vapour pressures at low process pressures by using in line valves.

Applications

In line liquid sampling Corrosive, hazardous liquids Viscous fluids, slurries Sampling from pipelines

Available Configurations

In line, on/off
In line, continuous needle purge

DOPAK S23

DOPAK® Sampling System with internally coupled valves to take predefined quantities of fluids with low vapour pressures independed of process pressures with zero dead volume.

Applications

Fixed volume sampling
Liquid sampling at low
and elevated pressures Corrosive, hazardous liquids Sampling from pipelines and pump around loop from reactors Small 1cc sampling

Available Configurations

Threaded connections Welded/flanged connections Continuous needle purge Cooling/heating jacket

Third coupled valve
HVP (High Vapour Phase) High temperature

DOPAK S32

DOPAK® Sampling System with internally coupled valves to take predefined quantities of fluids with low vapour pressures independent of process pressures with zero dead volume.

Applications

Fixed volume sampling
Liquid sampling at low
and elevated pressures Corrosive, hazardous liquids Sampling from pipelines and pump around loop from reactors Small 1cc sampling

Available Configurations

Threaded connections Welded/flanged connections Continuous needle purge Cooling/heating jacket

Third coupled valve
HVP (High Vapour Phase) High temperature

DOPAK 32-LG Series

DOPAK® Sampling System with externally coupled valves to

take representative samples of liquefied gases in cylinders with internal or external outage. Purge options are available.

Applications

Liquefied gas sampling
Fixed external outage
High vapour pressure liquids
Zero quick connect vapour release

Available Configurations

System purge
Vent to flare
Outage tube
Purge expansion
Bypass purge cylinder
Process to flare
Outage tube with bypass purge cylinder System purge with additional

safety expansion cylinder

DOPAK S32-G Series

DOPAK® Sampling System with externally coupled valves to take representative samples of gases in cylinders. Purge options are available.

Applications

Gas sampling

Available Configurations

System purge
Bypass purge cylinder Process to flare

TAILOR-MADE SOLUTIONS TO SUIT YOUR ANALYTIC NEEDS

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SERVOFLEX Micro i.s (5100 i.s)

The SERVOFLEX Micro i.s is a single component Intrinsically Safe Portable Gas Analyser that is certified to zone 0 and zone 1.

Technology Used

Oxygen – a choice of two Servomex paramagnetic transducers (standard or high accuracy) both offering fast selective measurement of oxygen without the disadvantages of electrochemical or zirconia cells.
Carbon Dioxide and Carbon Monoxide – Single beam, single wavelength infrared technology using Servomex patented long life source gives a highly stable, selective and low maintenance measurement.

Features

Typical Applications

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ICP

Puzzled by Which ICP-OES is right for you? No Need to be! Leeman labs offers the widest configuration of ICP spectrometers to fit any applications! In 30 years of supplying ICP Spectrometers, we’ve learned no one ICP-OES is ideal for all applications. That’s why Teledyne Leeman Labs offers you the broadest range of ICP Spectrometers available. Let us help you select the best instrument configuration for your sample types. All our ICP Spectrometers are available in Radial, Axial or Dual View Configurations, so you can choose the view that’s best for your sample matrix. Mercury When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.

 

Mercury

When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.

When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.

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Laboratory Syringe Pumps

Pump almost anything! Teledyne Isco syringe pumps give you precise, reliable metering for an incredible range of applications. You’ll easily handle viscosities from liquefied gases to tar, flow rates from sub-microliter to 400 ml per minute, and pressures to 30,000 psi (2068 bar). 

Use these rugged, do-anything pumps to solve your toughest fluid delivery problems, from micro-flow to scale-up and pilot plant, pumping corrosive liquids, and safe operation in explosive atmospheres with the HL Series. 

• Core Flooding 
• Reactant Feeding 
• Supercritical Fluids 
• HPLC and Ultra-HPLC 
• Alternative Energy – Biomass 

Isco’s programmable multi-pump controller interfaces easily with your system, and provides great versatility with single pump independent mode, dual pump continuous delivery or receive mode, and several three-pump control modes. 

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Laboratory Systems:

Teledyne Isco:  The Teledyne Isco Chromatography product line includes instruments and accessories for purification of organic compounds in normal-phase and reversed phase separations, and for bio-purification of proteins, peptides, and other biopolymers. 

 

CombiFlash® Purification Systems
Teledyne Isco CombiFlash® systems meet the high-productivity needs of organic and medicinal chemists.

RediSep® Rf Media
Performance and peace of mind.

Fraction Collectors
Providing scientists with reliable LC collection for over 40 years.

Detectors
Reliable detectors for organic and natural product liquid chromatography

Peristaltic Pumps
Built for years of reliable service

 

Density gradient centrifugation is used for the gentle isolation of cellular ribosomes, RNA, DNA, and organelles. These unique density gradient systems automate the preparation of gradients, and the fractionation and UV scanning of zones after the spin. 

Density Gradient Fractionation Systems
Choose the system that meets your automation needs.

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Laboratory Analysers:

Picarro is a leading provider of solutions to measure greenhouse gas (GHG) concentrations, trace gases and stable isotopes across many scientific applications, along with the energy and utilities markets. 

 

Cavity Ring-Down Spectroscopy

Our patented Cavity Ring-Down Spectroscopy (CRDS) is at the heart of all Picarro instruments and solutions, enabling the detection of target molecules at part per billion, or better, resolution. 

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Lab Sample Take Off Systems

Dopak – The Dopak SRS offers the ability to recover a liquid sample from the sample bottle without the risk of spillage or contamination. Applications for this system can be found in plant laboratories. The unique design offers a one handle operation by multiple valves. In addition, the nitrogen purge not only assists in driving the liquid out of the sample bottle, but also cleans the whole system including needle assembly and sample bottle.

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Gas, Liquid and Vapour Samples

Dovianus develops, produces and markets sampling systems for liquids, gases and liquefied gases under the name Dopak. We are respected for our sampling systems in the international chemical and petrochemical industries. Dopak closed vent samplers allow you to safely take samples of toxic, dangerous and volatile substances, without any danger for your operators or the environment.

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Instrumentation Pressure Regulation

GO Regulator is a leading designer and manufacturer of standardized and specialty pressure regulators, diaphragm valves, and filters for the Analytical, Instrumentation, Petrochemical, Oil & Gas, and Specialty Gas industries. GO regulators and valves fulfill a wide range of applications, controlling pressure while accommodating low to moderate flow rates of many gases and liquids. A broad range of pressure regulator requirements can be fulfilled by the complete line of time proven GO fluid control products. GO regulators provide back pressure regulation for high-pressure, high sensitivity, sub-atmospheric applications, as well as vaporizing regulation for LNG and cylinder pressure regulation.

 

High Quality Instrumentation Valves and Fittings

HOKE is the logical choice for fluid control solutions for orifice sizes typically up to 2”. With the lowest cost of ownership, the best in class reliability and global distribution assuring availability of products, HOKE valves and fittings are unmatched. In the early 1960’s, HOKE introduced the GYROLOK® tube fitting. To this day, GYROLOK design features offer unique advantages and benefits that are unmatched in the industry. Through years of experience, HOKE understands that precise flow control is a complex thing, not a commodity. At HOKE, the approach is to focus on the whole process in order to satisfy all requirements of the end-user.

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Heated Probes

JCT – ·  Robust, compact transport case with all necessary parts for mobile gas sampling: gas sampling probe, heated sample line, sampling tubes, filter elements, calibration gas connection, mounting chains, …

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Sample Pumps

ADI-

Air Dimensions Incorporated has more than 60 years of combined experience in the development, engineering and production of precision gas sampling diaphragm pumps and compressors. Each of our durable Dia-Vac® pumps boasts completely oil-free, contamination-free and leak-free sampling capability. Unsurpassed quality, personal customer service and expedited delivery all combine to make ADI the leading authority in the diaphragm pump industry.

 

When a pump goes down, we know that replacement parts or a completely new pump must be dispatched as quickly as possible, and ADI stands ready to get the job done. We have a track record for making on-time deliveries no other pump manufacturer can match – it’s something we are proud of. It’s something you can rely on.

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Gas Analyser filter particulates and moisture

Headline Filters

Headline Filters produce a wide range of products for the filtration industry, from filter elements, for coalescing or particulate duty, in a wide variety of industry-standard sizes to filter housings in a variety of materials for pressures up to 700 bar. To complement these products, we also offer a range of Membrane Separator housings for those applications requiring zero liquid entrainment.

Also available are disposable inline filters which offer the user a cost-effective and easy-to-replace robust filter suitable for portable analyser systems.

Headline Filters also produce adsorption products in a variety of forms, ideal for last-chance air purification and analyser protection. Disposable types eliminate the need to handle loose adsorbents although re-fillable versions are also available. Many different adsorbents are available to cater for virtually all requirements.

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Compressed Air Filtration

These filters are suitable for a variety of gas and liquid applications. The disposable bonded microfiber filter elements are extremely efficient as well as being low cost. They offer high flow rates with very low pressure drops. All products conform to industry standard sizes and grades and are completely interchangeable with other manufacturers housings and filter elements.

The comprehensive product range enables greater flexibility for customers because of the greater choice. The development of new products is customer driven, with our engineers working closely with OEM customers and end-users. Special housings and filter elements developed to meet specific customer requirements and specifications are available.

A global distributor network, that includes all of Europe and the USA, South East Asia, Australia and South Africa, offers unbeatable delivery times and service. Along with over 29 years of experience & expertise all standard products are kept in stock.

ments.

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Piccarro Laboratory Instruments

Picarro is a leading provider of solutions to measure greenhouse gas (GHG) concentrations, trace gases and stable isotopes across many scientific applications, along with the energy and utilities markets.

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