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Sampling valve

What is a Sampling Valve?

A sampling valve is a specialized sanitary valve designed for extracting representative product samples from process vessels, pipelines, and tanks without compromising the sterility or integrity of the main process stream. Sampling valves are critical quality control tools in pharmaceutical, biotechnology, dairy, beverage, and food processing industries.

Sanitary sampling valves feature a compact design with minimal dead space, allowing for easy cleaning and sterilization between samples. Aseptic sampling valves include additional features such as steam barriers, sterile seals, and closed-system designs that prevent contamination of both the sample and the process media.

Key Design Features

Aseptic Design

  • Steam barrier for SIP capability
  • Closed-system sampling
  • No external contamination risk

Minimal Dead Space

  • Compact body design
  • Easy CIP/SIP cleaning
  • No product residue retention

Representative Sampling

  • Accurate product representation
  • Adjustable sample volume
  • Repeatable extraction process

Technical Specifications

ParameterRange / Standard
Size RangeDN8 - DN25 (1/4" - 1")
Body MaterialStainless Steel 304 (1.4301), 316L (1.4404)
Surface FinishRa ≤ 0.8μm inner surface; mirror polish
Pressure RatingPN10 / PN16 (10 bar / 16 bar)
Temperature Range-20°C to +135°C (EPDM); -20°C to +200°C (PTFE)
Seal MaterialsEPDM, Silicone, PTFE (FDA compliant)
Connection TypesWeld, Clamp, Thread
OperationManual push/pull, twist handle
Sample VolumeAdjustable, typically 5ml - 50ml
CertificationsFDA, 3A, EHEDG, CE, ISO 9001

Industry Applications

  • Pharmaceutical: API batch sampling, formulation QC, WFI verification — Aseptic steam barrier design
  • Biotechnology: Cell culture sampling, fermentation monitoring, purity testing — Closed system aseptic
  • Dairy Processing: Milk quality control, yogurt consistency checks, cheese pH monitoring — Standard sanitary
  • Beverage Production: Juice Brix testing, beer gravity checks, soft drink carbonation — Quick clean design
  • Food Processing: Sauce viscosity, soup salt content, condiment pH — FDA compliant seals
  • Cosmetics: Cream consistency, lotion pH, shampoo viscosity — Corrosion resistant 316L
FDA Compliant 3A Certified EHEDG CE Marked ISO 9001

Need a Sampling Valve Solution?

Our sanitary valve specialists can recommend the optimal sampling valve for your quality control and product verification requirements. Aseptic and standard configurations available.

Email: info@chlgvalve.com Call: +86-15601794339