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Building materials
The manufacture of building materials is a broad field and offers innumerable opportunities to employ different valves from Schubert & Salzer Control Systems. The range of applications stretches from the processing of the basic substances for producing roofing tiles or pantiles through to the manufacture of insulating material, such as mineral wool (glass wool, rock wool) and polystyrene. But Schubert & Salzer Control Systems‘ valves are used also in cement production or in sand-lime brick plants.

The 8020 range of sliding gate valves from Schubert & Salzer is used in these sand-lime brick plants for their precision in controlling the steam supply in special steam pressure vessels (autoclaves). Users appreciate the much lower energy consumption, due to the short stroke, and the optimal flow guidance, amongst their other advantages. With their compact construction, sliding gate valves are also very maintenance-friendly. For the product range, please click on Sliding gate valves.

In the production of mineral wool (glass or rock wool), sliding gate valves from the series 8021 and 8024 are used to regulate the liquid phenolic resin. Since the sliding gate valve is very small and efficient in construction, when combined with a positioner specially developed for it (top mounted), it can form an extremely compact unit which has proved its worth where space is at a premium and access is difficult.

If roofing tiles or pantiles are being produced, angle seat valves are used, particularly for the metering of the paints, pigments, and concrete plasticisers (detergents). The particular advantage of the angle seat valve is its high resistance to wear. This has made the angle seat valves from Schubert & Salzer Control Systems an extremely resilient all-rounder which can cope with challenging media. Moreover, some manufacturers use hot steam to remove moisture from the tiles. Again, valves from the sliding gate valve range are used for controlling this process. In addition, pinch valves are employed in the manufacture of roofing tiles, serving in the main to shut off effluent. In this, the effluent is fed through a flexible tube which the valve presses together or releases pneumatically. The incorporated stroke limiter prevents overstressing the pipe.

In the production of cement, angle seat valves are used in so-called humidifiers to curb the development of dust during manufacture.

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