raised face flange

См. также в других словарях:

• Flange — A flange is an external or internal rib, or rim (lip), for strength, as the flange of an iron beam or I beam (or a T beam); or for a guide, as the flange of a train wheel; or for attachment to another object, as the flange on the end of a pipe,… …   Wikipedia

• RFF — Resources For the Future (Business » General) Resources For the Future (Academic & Science » Universities) * Rockefeller Family Fund (Community » Non Profit Organizations) * Reading For The Future (Community » Educational) * Required Form Feed… …   Abbreviations dictionary

• RF — abbr. Radio Frequency Raised Face (flange) Range Finder Report Footing Roll Film Roof Response Function Rig Floor med. rheumatoid factor – ревматоидный фактор …   Dictionary of English abbreviation

• pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium

• railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… …   Universalium

• Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… …   Universalium

• Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …   Wikipedia