Applications and calculation tools
Technical reference and selection guides on applications and calculation tools.
15 guides
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A hose inventory approach for refinery maintenance
A refinery hose inventory must track fluid hazards and operating conditions together with the physical assembly identification. The same stock code can carry different risks in different units; selection and maintenance…
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Hose selection questions for shipyards and marine applications
In shipyard and marine applications, hose selection takes into account the external environment and the facility or vessel requirements as much as the fluid conveyed. It is not assumed that every hose to be used in a ma…
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Hose management in mining and construction machinery
In mining and construction machinery, a hose is evaluated with respect to movement, impact, abrasion and contamination in addition to pressure load. A higher pressure class alone does not provide a longer service life; …
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Transfer hose checklist for food plants
Hose inspection in a food plant must cover product contact, cleanability and assembly integrity together. Seals, connections, cleaning conditions and the arrangement of use in the field are as important as the declarati…
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Hose risk classification in chemical plants
In chemical transfer, risk classification is not done by looking only at the name of the chemical. The hazards of the substance, concentration, temperature, quantity, transfer method and the possible consequences of a l…
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Hose requirements for data center liquid cooling
In data center liquid cooling, hose and connection selection addresses coolant compatibility, cleanliness, low leak risk, flow performance and the maintenance method together. It is not assumed that a general water hose…
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Fluid transfer questions in battery manufacturing
In battery manufacturing, the evaluation of a transfer line starts with the process step and the actual composition of the substance. Selecting a single ‘battery hose’ for all liquid, powder and cleaning duties in a pla…
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Expert approval for hose selection in hydrogen lines
In hydrogen applications, hose and connection selection requires a dedicated technical assessment. Gas permeation, material behavior, pressure and cycling conditions must be examined together; general knowledge about hy…
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Hose and fitting requirements in cryogenic service
In cryogenic applications, it is not enough to select an inner tube that withstands low temperatures. Connections, seals, movement, thermal change and the integrity of the assembly must be evaluated together; catalog va…
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Flexible connections in robotic and moving lines
In robotic applications, hose selection is based on the direction and number of repeated movements and on the routing. Static bend radius information alone does not show adequate performance under multi-axis motion or c…
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Inch-millimeter length converter
For length conversion between inches and millimeters, 1 inch = 25.4 mm is used. However, the inch value in a thread or pipe nominal name is not always a measurable actual diameter; unit conversion and product size match…
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Bar, MPa and psi pressure converter
bar, MPa and psi are pressure units used for the same physical quantity. Changing the unit does not change the strength of the product or the permitted working limit. The distinction between absolute pressure and gauge …
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Calculating mean flow velocity from flow rate and inside diameter
In a circular cross-section, mean flow velocity is calculated by dividing the volumetric flow rate by the actual flow cross-section: v = Q/A. This result is the mean velocity; on its own, it does not determine pressure …
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Calculating theoretical inside diameter from a target velocity
For a given flow rate and a selected mean velocity, the theoretical inside diameter is found from the relationship d = √(4Q/πv). The velocity input must be set by the person responsible for design; this tool does not by…
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Data required for a pressure loss calculation
Flow rate and nominal diameter alone are not sufficient for a pressure loss calculation. The actual inside diameter, length, fluid properties, temperature, connections and flow regime are required. A single reliable los…
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