Saddle supports for horizontal vessels are specialized support structures used to cradle and secure horizontal vessels, such as storage tanks, pressure vessels, and horizontal heat exchangers. These saddle supports are critical to maintaining the structural integrity and stability of the vessel. Here’s more information on saddle supports for horizontal vessels:
Key Features and Considerations:
Design: Saddle supports are designed to distribute the weight of the horizontal vessel evenly across the support points. The design takes into account factors such as vessel dimensions, weight, operating conditions, and any seismic or wind loads.
Types: There are different types of saddle supports, including cradle-type and saddle-type supports.
- Cradle-Type Supports: These are designed with two or more longitudinal support members running beneath the vessel to provide support.
- Saddle-Type Supports: Saddle-type supports encircle the vessel’s circumference, providing support along its entire length.
Load Distribution: Saddle supports are engineered to minimize stress concentrations and provide even weight distribution to prevent deformation or damage to the vessel’s shell.
Materials: The materials used for saddle supports are typically chosen based on the vessel’s material and weight. Common materials include carbon steel, stainless steel, and alloy steel.
Welding and Attachment: Saddle supports are typically attached to the vessel by welding. The welding process must meet industry standards and adhere to applicable codes to ensure structural integrity.
Load-Bearing Pads: Load-bearing pads or shoes, often made of materials like Teflon, can be used between the saddle support and the vessel to minimize friction and reduce wear and tear on the vessel’s shell.
Transportation and Installation: Saddle supports often have provisions for attaching lifting and transportation equipment to facilitate vessel movement, transportation, and installation.
Compliance: Design and construction of saddle supports should adhere to industry codes and standards relevant to the specific vessel and its application. For example, ASME Boiler and Pressure Vessel Code or API 650 for storage tanks.
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