Cryogenic Supports
Ca.STIm. 2000 cryogenic supports are special supports suitable for supporting pipes in systems that operate at low temperatures, which therefore require special insulation. They include one or more layers of high-density polyurethane between the pipe and the support itself. The supports can be of various types, such as saddle or collar-shaped, and the insulating layer can be composed of several layers that can be integral or separate, depending on the supply requirements specified in the customer's specifications. Between the polyurethane layer and the support itself, a vapor barrier is also used (a bandage between the polyurethane layers with materials suitable for the temperatures at which they will operate) and an additional aluminum coating.
Expansion Joints
Expansion joints are elements used to compensate for the effects of thermal expansion on pipes or equipment.
They can be built in different types depending on the type of movement, thrust, temperature or pressure they have to support.
There are essentially three types of compensators:
Metal expansion joints are commonly designed according to the most accredited international standards such as EJMA (Expansion Joint Manufacturers Association), ASME VIII app. 26, PED.
Rubber type compensators are technically designed with the same approach as the metal ones; based on the design conditions, the bellows can be made of: EPDM, EPDM HT, Nitrile®, Neoprene®, Hypalon ®, Viton®, Spec. Nitrile®,
Nitrile® White, Hypalon®, SBR, Viton®, Cloroprene, etc.
Textile expansion joints are generally used in low-pressure applications where low stiffness is required, with significant travel (axial, lateral, angular) acting simultaneously in small spaces. The composition of the textile joint can vary (there are approximately 100 types of fabrics and felts made of glass, silica, eco-friendly ceramic, metal mesh, PTFE foils, and fluoropolymer laminated fabrics) and depends strictly on the application.
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