The Oyster Superclean Valve is the perfect answer to situations requiring frequent cleaning cycles using Clean-In-Place systems (Fig. 1).
Compared with traditional butterfly valves, the Oyster Superclean valve has superior washability as it has no dead area where product can remain trapped and there is no need to dismantle the valve in order to permit a complete cleaning of all contact surfaces.
The unique geometry of the Oyster Superclean Valve means that when used in applications with Clean In Place technology the complete valve can be washed together with the rest of the plant as part of the normal cleaning cycle.
The disadvantage of traditional valves
In all traditional butterfly valves, the valve stem which controls the movement of the vane has to pass through a hole in the gasket. It is clear that in the area around this hole the vane is constantly in tight contact with the gasket, and there is no way of washing the contact surfaces completely clean without dismantling the valve. This means downtime and loss of production for the plant, manpower costs and additional wear and tear on the components of the valve.
The future is washable!
The Oyster Superclean Valve is cleaner in two ways. First, the valve stem is inclined and so does not need to pass through a hole in the gasket. Second, because if this geometry, as the valve opens, the points of contact between the vane and the gasket move continuously. This is clear from Figs. 2, 3 and 4.
This movement ensures that by moving the valve during cleaning, the whole surface of both seal and vane are fully exposed to the washing process, and there is no point where contamination can remain. Perfect washability is the result, leading to improved productivity and reduced costs.
If it is necessary to dismantle the valve, this is easy and requires no special tools.
Finish
The Oyster Superclean valve is finished to pharmaceutical standards
•Contact surfaces: mirror polished (Ra max < 0.4 µm)
•Other surfaces: satin finish (Ra < 1.2 µm)
•Optional full mirror finish available for clean room installations
•ceramic sandblasting, electro-polished finish available on request
Operation
The valve can be supplied for either manual or automatic operation:
Sizes
The Oyster Superclean valve is available in the following standard sizes
•DN 50 ( 2”)
•DN 100 ( 4”)
•DN 150 ( 6”)
•DN 200 ( 8”)
Other sizes can be produced to order. Actuator supports are machined to ISO standards to suit the most appropriate actuator type. Variations can be supplied on request.
Applications
The Oyster Superclean valve is fully FDA compliant and is suitable for handling: Powders, Granules, Gels or Liquids in pharmaceutical, chemical or food plants.
Oyster Superclean Valve
Oyster Superclean Valve
The Oyster Superclean Valve is the perfect answer to situations requiring frequent cleaning cycles using Clean-In-Place systems (Fig. 1).
Compared with traditional butterfly valves, the Oyster Superclean valve has superior washability as it has no dead area where product can remain trapped and there is no need to dismantle the valve in order to permit a complete cleaning of all contact surfaces.
The unique geometry of the Oyster Superclean Valve means that when used in applications with Clean In Place technology the complete valve can be washed together with the rest of the plant as part of the normal cleaning cycle.
The disadvantage of traditional valves
In all traditional butterfly valves, the valve stem which controls the movement of the vane has to pass through a hole in the gasket. It is clear that in the area around this hole the vane is constantly in tight contact with the gasket, and there is no way of washing the contact surfaces completely clean without dismantling the valve. This means downtime and loss of production for the plant, manpower costs and additional wear and tear on the components of the valve.
The future is washable!
The Oyster Superclean Valve is cleaner in two ways. First, the valve stem is inclined and so does not need to pass through a hole in the gasket. Second, because if this geometry, as the valve opens, the points of contact between the vane and the gasket move continuously. This is clear from Figs. 2, 3 and 4.
This movement ensures that by moving the valve during cleaning, the whole surface of both seal and vane are fully exposed to the washing process, and there is no point where contamination can remain. Perfect washability is the result, leading to improved productivity and reduced costs.
If it is necessary to dismantle the valve, this is easy and requires no special tools.
Finish
The Oyster Superclean valve is finished to pharmaceutical standards
•Contact surfaces: mirror polished (Ra max < 0.4 µm)
•Other surfaces: satin finish (Ra < 1.2 µm)
•Optional full mirror finish available for clean room installations
•ceramic sandblasting, electro-polished finish available on request
Operation
The valve can be supplied for either manual or automatic operation:
Sizes
The Oyster Superclean valve is available in the following standard sizes
•DN 50 ( 2”)
•DN 100 ( 4”)
•DN 150 ( 6”)
•DN 200 ( 8”)
Other sizes can be produced to order. Actuator supports are machined to ISO standards to suit the most appropriate actuator type. Variations can be supplied on request.
Applications
The Oyster Superclean valve is fully FDA compliant and is suitable for handling: Powders, Granules, Gels or Liquids in pharmaceutical, chemical or food plants.
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