Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. The valve gets its name from the ball that ...

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Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction. The purpose of a check valve is to prevent process flow from reversing in the system which ...

Detailing access control mechanisms that are emerging with the latest Internet programming technologies, this thorough text provides an introduction to the foundations of programming systems security, ...

Tubing or tubes are hollow cylinders used for fluid transport, structural applications, or electrical sheathing. They are usually cylindrical in shape, but may have round, rectangular, or square cross ...

Find 65 Total Organic Carbon (TOC) Analyzers suppliers with GlobalSpec. Our catalog includes 105,732 manufacturers, 20,958 distributors and 94,450 service providers. The GlobalSpec database includes ...

Spring washers, sometimes called disc springs, are a subtype of washers. They lend their mechanical capabilities to the unique profile of the material: when subject to a load, the irregularities of ...

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Geometrical Dimensioning and Tolerancing for Design, Manufacturing and Inspection: A Handbook for Geometrical Product Specification using ISO and ASME Standards, Second Edition Covering the latest ISO ...

Vibration sensors are sensors for measuring, displaying, and analyzing linear velocity, displacement and proximity, or acceleration. Vibration — however subtle and unnoticed by human senses — is a ...

Find 494 Conveyor Belts suppliers with GlobalSpec. Our catalog includes 105,732 manufacturers, 20,958 distributors and 94,450 service providers. The GlobalSpec database includes 62,232 manufacturers ...

Hydrostatic bearings and hydrodynamic bearings are fluid film bearings that rely on a film of oil or air to create a clearance between the moving and stationary elements. Although they may be similar ...