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Georg Fischer (abbreviated GF) comprises four divisions GF Piping Systems, GF Building Flow Solutions (since November 2023), GF Casting Solutions, and GF Machining Solutions. Founded in 1802, the corporation is headquartered in Switzerland and is present in 45 countries, with 187 companies, 76 of them production facilities.
The system is a catalogue of specifications in the English language, to allow buyers to purchase standardised materials all over the world. When MESC was initially introduced, materials were allocated a unique 7-digit number. This was increased to ten digits in 1946. [1] The system has a numerical "coding schedule" of 10 digits to code the ...
Most threaded-pipe systems require strategically located pipe-union fittings in final assembly. The threaded pipe is heavy and requires adequate attachment to support its weight. To ensure a comprehensive pressure test, it is crucial to explicitly request a 3.1 certificate in accordance with EN HFF 10204:2004.
Process piping and power piping are typically checked by pipe stress engineers to verify that the routing, nozzle loads, hangers, and supports are properly placed and selected such that allowable pipe stress is not exceeded under different loads such as sustained loads, operating loads, pressure testing loads, etc., as stipulated by the ASME B31, EN 13480, GOST 32388, RD 10-249 or any other ...
Copper piping system in a building. The major categories of plumbing systems or subsystems are: [19] potable cold and hot tap water supply; plumbing drainage venting; sewage systems and septic systems with or without hot water heat recycling and graywater recovery and treatment systems; Rainwater, surface, and subsurface water drainage; fuel ...
An IT service catalog is a subset of an enterprise service catalog and is defined by ITIL, by the book Service Design, to be an exhaustive list of IT-only services that an organization provides or offers to its employees or customers. The catalog is the only part of the Service Portfolio that is published to customers and is used to support the ...
In the U.S., every plumbing fixture must also be coupled to the system's vent piping. [1] Without a vent, negative pressure can slow the flow of water leaving the system, resulting in clogs, or cause siphonage to empty a trap. The high point of the vent system (the top of its "soil stack") must be open to the exterior at atmospheric pressure.
Designated as an American National Standard, the Uniform Plumbing Code (UPC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems as a means of promoting the public's health, safety and welfare.