SamValve BF Series 1

Safety and reliability in your processes have been our premise for the development of the samValve BF series 1. It is suitable for liquids and viscous media in tanks, containers and tubes. The high quality of sampling is achieved by a construction with very little dead storage. It can be mounted on tubes as well as on tanks. Furthermore, the samValve BF series 1 can be used under pressure up to 15bar and vacuum conditions and is absolutely leak free. By using different sealing materials the valve can be operated at temperatures up to 350°C. Due to the blind hole bowl it is without doubt the most secure sampling valve at all.

Advantages

Low Contamination between samples
Zero dead space between the pint of sampling and the bulk of your product
Operation under full vacuum or pressure conditions without the need to fin a secondary valve
Working at high temperatures – up to 350°C (subject to verification on your process)
Safe sampling
Elimination of pre-run material to waste, avoiding the need to either re-work or dispose of surplus material
The valve can be easily cleaned whilst the process is continuing
Range of sample adaptors to suit your needs and comply with Health & Safety regulations
No jacketing - avoidance of heat tracing or jacketing causing contamination by overheating or “baking” the product
Seals to suit process: The standard seals are virgin PTFE, but other seals suitable for temperatures up to 290°C can be fitted upon request, including metal seals
The ability to take a fixed predetermined quantity of sample rather than a random size of sample

Operation

The samValve BF series 1 has two handles:

The upper handle operates the ball through 180° and can be rotated as many times as necessary to achieve the total sample size required.
The lower handle reduces the pressure on the seals to enable the upper handle to be rotated freely. A variable pressure stop is provided to avoid leaks when the pressure on the seals is reduced.

Sampling

Position 1

Valve in normal rest position as shown in Fig. B with full pressure on the seals allowing ball cup and outlet to drain or to be cleaned.

Position 2

Seal pressure handle lifted to reduce pressure on seals and upper handle rotated through 180° to sampling position as shown in Fig. A. In this position air rises from the cup, which then fills with a clean sample. This can be done with the vessel under full vacuum or pressure.

Position 3

Valve rotated through 180° to empty sample via the nozzle into a suitable sample collection container (Fig. B). Each cycle from Position 2 to Position 1 takes from 40ml to 60ml of sample depending on viscosity. The cycle can be repeated any number of times to take the required total sample volume. Upon completion of sampling the lower handle is moved to re-apply full pressure onto the seals which then returns the valve to Position 1 above.

More Info?

GBPI-SAMVA-09815.pdf

DEGBPI-SAMVS1-10511.pdf

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