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Sampling assembly Samplefit CSA420

Assembly for taking samples in process applications

Office situation support
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Sampling assembly Samplefit CSA420

Assembly for taking samples in process applications

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Benefits

  • Extremely accurate representation of medium composition because of fast sampling interval
  • Low sample volume for minimal loss of valuable media
  • No cross-contamination thanks to optional cleaning valves
  • Optimum adaptation to your process thanks to various materials and equipment options
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

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Office situation support
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Product information

Samplefit CSA420 is designed for taking samples from pressurized pipes.
Sampling assembly
Specifications
Measuring / Application task Watersampler
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Description

Samplefit CSA420 enables you to take samples directly from pressurized pipes. Designed for fast sampling intervals, it provides samples that accurately represent your medium composition and enables you to fine-tune your process precisely. The low sample volume minimizes product loss and thus increases the efficiency of your process.

Field of application
  • Process applications
  • Wastewater
  • Analytical stations
  • Monitoring of surface water
  • Drinking water
Benefits
  • Extremely accurate representation of medium composition because of fast sampling interval
  • Low sample volume for minimal loss of valuable media
  • No cross-contamination thanks to optional cleaning valves
  • Optimum adaptation to your process thanks to various materials and equipment options
Downloads
Most downloaded
Operating Instruction (BA)
Operating Instructions Samplefit CSA420 Sampling assembly
English version - 02/2013
Download
Installation Instructions (EA)
EA Kits/Kit for CPA47x Spare parts kits for CPA47x limit switches
English version - 09/2025
Download
Installation Instructions (EA)
EA kits for water and compressed air preparation Spare parts kits for water and compressed air preparation
English version - 09/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
7 Downloads
Operating Instruction (BA)
Most downloaded
Operating Instructions Samplefit CSA420 Sampling assembly
English version - 02/2013
Download
Installation Instructions (EA)
EA kits for water and compressed air preparation Spare parts kits for water and compressed air preparation
English version - 09/2025
Download
Installation Instructions (EA)
Most downloaded
EA Kits/Kit for CPA47x Spare parts kits for CPA47x limit switches
English version - 09/2025
Download
Case Study (CS)
Inline monstername van afvalwater uit persleidingen Inline monstername van afvalwater uit persleidingen.
Standalone opstelling van monsternamestation Liquistation CSF48 en
inline monstermener Samplefit CSA420
Dutch version - 12/2012
Download
Manufacturer Declaration
Product family: Armaturen Product root: CSA420-
Declaration number: HE_02209_01.25
Manufacturer specification: RoHS
Additional information: China-RoHS
English version - 08/2025
Download
Product Carbon Footprint Information
Product family: Armaturen Product root: CSA420-
Declaration number: ED_00284_01.26
English version - 07/2026
Download
Components sheet
SF for Kit CDC90 pressure reducer SF for Kit CDC90 pressure reducer
English version - 06/2026
Download

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Selection of compatible products

Spare parts and accessories

further parts
further parts

Kit CSA420: EPDM gaskets wetted parts

further parts
further parts
Order code 71157754
further parts
further parts

Kit CSA420: Kalrez gaskets wetted parts

further parts
further parts
Order code 71157613
further parts
further parts

Kit CSA420: Viton gaskets wetted parts

further parts
further parts
Order code 71157615
further parts
further parts

Kit CSA420: gaskets pistons

further parts
further parts
Order code 71157616
Spare parts & accessories

Related content

Samplefit CSA420 is designed for taking samples from pressurized pipes.
Sampling assembly

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Samplefit CSA420 is designed for taking samples from pressurized pipes.
Sampling assembly
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Spare parts and accessories

further parts
further parts

Kit CSA420: EPDM gaskets wetted parts

further parts
further parts
Order code 71157754
further parts
further parts

Kit CSA420: Kalrez gaskets wetted parts

further parts
further parts
Order code 71157613
further parts
further parts

Kit CSA420: Viton gaskets wetted parts

further parts
further parts
Order code 71157615
further parts
further parts

Kit CSA420: gaskets pistons

further parts
further parts
Order code 71157616
Spare parts & accessories

Selection of compatible products