Valvula tomamuestras de membrana SB

La válvula de muestreo de membrana SB de Alfa Laval es una solución compacta y rentable para tomar muestras a granel o asépticas de depósitos y tuberías en fábricas de cerveza (y otros procesos higiénicos, como los de la industria alimentaria y láctea) en condiciones estériles. Esta válvula de muestreo aséptico es adecuada para productos de alta viscosidad, como la levadura de cosecha, y garantiza un riesgo mínimo de contaminación, una alta precisión, una repetibilidad excepcional

Muestreo en línea seguro y fiable en un formato compacto

Aseptico y esterilizable para garantizar la higiene de la muestra con un bajo coste de inversión
Sin riesgo de contaminación de las muestras: diseñado para una esterilización eficaz in situ con alcohol o vapor antes y después de cada muestra
Métodos de muestreo flexibles: disponibles en versiones de activación manual, manual con micropuerto para aguja hipodérmica o neumática
Fiable: diseñado para soportar una presión de hasta 10 bar
Procedimientos seguros de toma de muestras

Diseño higiénico y versátil: fabricado en una sola pieza de acero inoxidable, el cuerpo de la válvula presenta superficies lisas y sin hendiduras. Al no haber soldaduras, se evita el riesgo de que se formen poros y grietas en las uniones, así como el consiguiente riesgo de acumulación de bacterias. Esta válvula de muestreo aséptico, de gran versatilidad, está disponible en varias versiones diferentes para garantizar la fiabilidad y la seguridad del muestreo en una amplia gama de aplicaciones.

How does the membrane sampling valve work?

Operating principle

The in-line sampling valve is available with three different types of connection: tank, pipe and threaded. They operate on the same principle. Before the valve is opened, the closure should be placed on the upper hose connection. When the handle is turned to the horizontal position the sample starts to flow through the lower outlet. When the handle is turned back to the vertical position the valve shuts and the handle can be removed if required. Aseptic sampling can be taken using a special valve type with microport. If you remove the red cap, you can insert a hypodermic needle through a central channel into the membrane to take an aseptic sampling with the valve in the shut position. After sampling, flush the valve with water or alcohol. The aseptic sampling valve can be sterilized using alcohol or steam.

As an option, Alfa Laval offers the Alfa Laval Steam Generator, which enables you to steam-sterilize where there is no permanent steam supply on hand.

Function and cleaning

1 Alcohol sealed valve

2 Alcohol is drained and the valve can be steam sterilized

3 Sample is taken

4 Valve is flushed with water/alcohol

5 Valve is sealed with alcohol

Technology

The Alfa Laval sample valves consists of a valve body, actuator and membrane seal placed on the stem of the actuator, which works as a stretchable plug. The valve is sterilized in place with alcohol or steam. The membrane forms a seal directly against the product to ensure representative sampling, and give repeatable results safe from secondary contamination.

The aseptic sampling valve is available in three different actuator designs:

Manual - For manual activation

Manual + Micro Port - For manual activation or sampling using a hypodermic needle to penetrate the membrane for sample taking.
Manual + Pneumatic - For manual or pneumatic activation when the valve is connected to pipes for automatic sampling. The valve is then supplied with pipe outlet connections.

The membrane sampling valve is available in three different mounting designs:

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Part of a broad valve range

Alfa Laval offers a comprehensive range of valves intended for hygienic applications in various industries including dairy, food, beverage,home care, personal care, biotechnology and pharmaceuticals:

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