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EN 388 was updated in 2016, and one significant change is the introduction of ISO 13997:1999. EN 388:2016 incorporates a letter A-F to indicate the cut resistance of A<2N, B<5N, C<10N, D<15N, E<22N and F<30N. This is more in line with the new North American standard of ANSI/ISEA 105-2016 that is using a system of A1-A9 cut levels.
ANSI/AMCA Standard 210 - Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating establishes uniform test methods for a laboratory test of a fan or other air moving device to determine its aerodynamic performance in terms of airflow rate, pressure developed, power consumption, air density, speed of rotation, and ...
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The ANSI/APSP (Association of Pool & Spa Professionals) standards used for pools, spas, hot tubs, barriers, and suction entrapment avoidance. The ANSI/HI (Hydraulic Institute) standards used for pumps. The ANSI for eye protection is Z87.1, which gives a specific impact resistance rating to the eyewear. This standard is commonly used for shop ...
The American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (BPVC) covers all aspects of design and manufacture of boilers and pressure vessels. All sections contain welding specifications, however most relevant information is contained in the following:
CITHP – closed-in tubing head pressure (tubing head pressure when the well is shut in) CIV – chemical injection valve CK – choke (a restriction in a flowline or a system, usually referring to a production choke during a test or the choke in the well control system)
The need for a single standard for cleanroom classification and testing was long felt. After ANSI and IEST petitioned to ISO for new standards, the first document of ISO 14644 was published in 1999, ISO 14644-1. [1] In 2000, ISO 14644-2 was published, which began the process of FED-STD-209E being canceled.
The exchange rate means that when the noise level is increased by either 3 dBA (according to the NIOSH REL) or 5 dBA (according to the OSHA PEL), the amount of time a person can be exposed to a certain noise level to receive the same dose is cut in half. Exposures at or above these levels are considered hazardous.
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