Products/Services for K4 Rated Fixed Bollards

  • Bollards-Image
    Bollards - (207 companies)
    ...barriers. The Department of State's K-Rating system is used for crash-tested barricades. K4-rated bollards can stop a 15,000 pound vehicle going 30 mph, K8-rated bollards can stop the same weight at 40 mph, and K12-rated bollards can stop the vehicle...
  • Fixed Gages-Image
    Fixed Gages - (72 companies)
    Fixed gages are designed to access a specific attribute based on comparative gaging. These gages are used for quickly assessing approximate size in a go / no-go manner. How to Select Fixed Gages. Fixed gages are designed to access a specific...
  • Fixed Growth Treatment Systems-Image
    Fixed Growth Treatment Systems - (21 companies)
    Fixed growth treatment systems attach microorganisms to a surface that is exposed to water. In a fixed growth treatment system, aerobic microorganisms attach and grow on an inert media. Wastewater flows across a slime layer created by the attached...
  • Bit Error Rate Testers-Image
    Bit Error Rate Testers - (68 companies)
    Bit error rate testers are devices or procedures that measure the bit error rate (BER) for a specific transmission. BER is usually expressed as ten to a negative power so that, for example, a BER of 10-9 means that for every Gigabit transmitted...
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    Motion Simulators and Rate Tables - (22 companies)
    Alternate name. Applications/notes. Image. Single-axis. Rate table. Calibration of angular positioning devices (accelerometers, gyroscopes, etc.). Two-axis. Dual-axis. Calibration of sensors and inertial components. Three-axis. Flight / target trajectory...
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    Speed Controls - (64 companies)
    Speed controls, including speed regulators and rate controllers, are used to decelerate and regulate the speed of loads such as moving carriages and machining feeds near the end of their travel. They frequently use fluid dampening methods...
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    Dampers and Louvers - (293 companies)
    Dampers and louvers are used to control the flow of air in a process system or enclosed area. Dampers are usually motorized or manually-adjustable for flow control. Louvers are often fixed for a constant flow rate. Dampers and louvers control...
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    Barcode Scanners - (530 companies)
    Barcode scanners are designed to read imprinted bar / matrix code symbologies. Barcode scanners can be slot card scanners, fixed mount scanners, or hand-held scanners. Barcode scanners read imprinted bar/matrix code symbologies. Barcodes, also known...
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    Gyroscopes - (79 companies)
    Gyroscopes are designed to measure angular rate or orientation about a given directional vector. They usually take the form of a disc-shaped object or rotor which is suspended in light supporting rings called gimbals. The gimbals have...
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    Positive Displacement Flow Meters - (159 companies)
    Positive displacement flow meters measure the volume or flow rate of a moving fluid or gas by dividing the media into fixed, metered volumes. These devices consist of a chamber that obstructs the media flow and a rotating or reciprocating mechanism...

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  • Public Transportation Security: Volume 11: Security Measures for Ferry Systems
    Fixed Vehicle Deterrent, Pedestrian Access Bollards , fixed /stationary (concrete or steel) May be certified anti-ram vehicle barriers have been tested to either Department … … Navy, or U.S. Marshall Service specifications, the later two of which are often converted to DOS ratings . … below are for a 15,000 lb vehicle with impact perpendicular to the barrier: K4 -- 30 mph .
  • Handbook for Blast Resistant Design of Buildings Complete Document
    The bollard shown is capable of a K4 rating . Figure 12.9 Eight-Inch-Diameter Fixed Bollard System .
  • Surface Transportation Security, Volume 14: Security 101: A Physical Security Primer for Transportation Agencies
    K4 Vehicle and crash ratings (a) and truck striking barrier (b). Passive barriers are fixed countermeasures and include bollards (concrete-filled steel pipe), reinforced street furniture, concrete walls, planters, and berms (see Figure 3-8).
  • Mobil's Floating LNG Plant
    A system of 24 lines with 150 mm diameter high strength ( K4 Grade) chain will be required. Operation of the remote flare is similar to existing remote flares located near fixed platforms. The design loading rate is 10,000 cubic meters per hour. This vessel will have significant bollard pull and be sufficiently controllable to be of service for occasional …
  • Soil Mechanics Of Submarine Ploughs
    … the biggest tug in the Northern Hemisphere, the Smit Rotterdam, with a nominal 180 ton bollard pull. This may happen, for example, with the rate of loading imposed by the construction of a building. The basic form of these two equations is evidently fixed by dimensional considerations. … the machine moves on wheels or. skids. z is the cutting depth and K4 a constant depending …
  • 13th International Conference on Biomedical Engineering
    … the three different pro- files around a room full of obstacles such as bollards , tables and chairs. … facilities and home to transmit patient measurement data, such as pulse and respiration rates to a nearby … The later can be understood as fixing phase to fix the established technique (see fig.5 B). d[Mp] K4 [AMp] +K1 [M]-(K2+K3) [Mp] .