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ASTM A750-77(1994)e1
Standard Specification for Steel Air Ventilating Grille Units for Detention Areas (Withdrawn 2004) (Includes all amendments And changes 8/16/2017).
Automaticky preložený názov:
Štandardné špecifikácie pre oceľové Air Ventilačná mriežka jednotiek priestoroch pre zadržiavanie ( Withdrawn 2004 )
NORMA vydaná dňa 1.1.1994
Informácie o norme:
Označenie normy: ASTM A750-77(1994)e1
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.1994
Kód tovaru: NS-4009
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM A750-77(1994)e1 :
Keywords:
Air ventilation units, Building constructions/materials-ventilation, Detention facility, Grille units, Prisons, Security systems and equipment, Steel, Steel air ventilating grille units, steel air ventilating grille units for detention areas, correctional facilities, detention facilities, ICS Number Code 91.190 (Building accessories)
Doplňujúce informácie
| 1. Scope |
|
1.1 This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A627, A628, and A629. 1.2 The assemblies described herein are intended to provide two types of security, designated Type A and Type B. 1.2.1 Type A -A ventilation unit, utilizing homogeneous TR steel bars for the principal security component. 1.2.2 Type B -A ventilation unit utilizing perforated tool-resisting steel plate for the principal security component. 1.3 It is presumed that equipment manufacturers will fabricate and assemble the materials so as not to impair the performance characteristics specified in the applicable material specifications. 1.4 The descriptions herein of certain assemblies are not intended to infer that other assemblies cannot be used to obtain similar results. |
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