ENGLISH VERSION 445558713 568947806 mail@grabmag.ru ABOUT THE PLANT PRODUCTS NEWS ARTICLES QUESTIONNAIRES GALLERY CONTACTS Home - Articles - Classification of goods for which grabs are intended Grapple Electromagnet Traverse Crane Iron separator Control block Vibro unloader Throttle Weight measuring instrument Capture UPS Casting Staple Transformer Classification of goods for which grabs are intended This article contains excerpts from GOST 24599-87 "Rope grabs for bulk cargo" which will help you better navigate the markings of our grabs. 1. Cargoes are divided into groups according to bulk density in accordance with the following table Cargo group Bulk density, t / m Name Designation No less No more Very light VL1 - 0.40 VL2 0.40 0.63 Lungs C1 0.63 0.80 L2 0.80 1.00 Average C1 1.00 1.25 C2 1.25 1.60 SZ 1.60 2.00 Heavy T1 2.00 2.50 T2 2.50 3.20 Very heavy VT1 3.20 4,00 VT2 4,00 4.50 It is allowed to refer individual groups of cargo to a neighboring group of cargoes, moreover, it is allowed to refer cargoes with increased viscosity, sealability and pliability to introduction to the next next group, and cargoes with opposite properties to the nearest previous group. 2. Loads with pieces of sizes exceeding those indicated in the table are referred to as difficult to fill, which is indicated by the letter "t" after the main designation of the group, for example, T1t, L2t, etc. Crane lifting capacity, t Pieces sizes, mm Weighted average, by groups for cargo Maximum Overhead lines L WITH T VT Up to 8 100 80 63 fifty 40 250 8 to 16 inclusive 125 100 80 63 fifty 320 St. 16 160 125 100 80 63 400 3. К труднозачерпываемым относят грузы, утратившие сыпучесть из-за слеживания, смерзания или спекания, если нет возможности восстановить их сыпучесть рыхлением, размораживанием и другими средствами до перегрузки грейферами. 4. Груз, состоящий из бесформенных или удлиненных элементов (волокон) значительная часть которого выходит за пределы объема, ограниченного челюстями грейфера, обозначают буквами "то" после основного обозначения группы груза, например ВЛ2то. 5. Сыпучие неслеживающиеся порошкообразные и зернистые грузы относят к легкозачерпываемым грузам и обозначают буквой "л" после основного обозначения группы, начиная с группы С1, например С1л, Т2л и т.д. 6. Cargoes, which are more demanding to prevent spillage and deflation, are called free-flowing and are designated with the letter "c" after the main group designation, for example L1s, C1ls, etc. 7. In the standards (technical specifications) for grabs of specific types (models), in addition to specifying the group of cargo, a list of specific types (brands, grades) of cargo for which this grab is intended and recognized as suitable according to the results of tests for scooping ability should be given. It is allowed to designate a grab for a specific type of cargo (grade brand). All rights reserved © 2008-2016 - LLC "Plant of lifting equipment", Russian Federation, 610004, Kirov, st. Semakovskaya, 41