Ex d I Mb Ex d IIB Gb, Ex t IIIC Da Bydgoskie Zakłady
Transkrypt
Ex d I Mb Ex d IIB Gb, Ex t IIIC Da Bydgoskie Zakłady
FLAME-PROOF INLET UNITS TYPE W_M, THE BOOT TYPE ZW_ Ex d I Mb Ex d IIB Gb, Ex t IIIC Da KDB 06ATEX339U/1 1. General description Ex components – flame-proof inlet units with fastener type W_M are designed for penetrations of wires/cables with outer diameters of 6 ÷ 50 mm to flame-proof electric appliances. Boots type ZW are designed for stopping redundant openings in the inlet body. 2. Usage conditions Flame-proof inlet units type W_M, marked as follows IM2 Ex d I Mb II 2G Ex d IIB Gb II 2D Ex t IIIC Da IP 66 4. Dimensions are suitable for application − in methane fields of coal mines, in excavations of methane explosion hazard class a, b, or c, or coal dust explosion hazard class A or B; − indoors and outdoors in explosion hazard zones 1 and/or 2 and 21 and/or 22, where explosive mixtures of gases, vapours, mists and flammable dust with air can accumulate 3. Compliance with standards Flame-proof inlet units are manufactured in accordance with principles of good safety engineering practice and are state-of-the-art, to meet the requirements of the following standards: • PN-EN 60079-0: 2009 (EN 60079-0:2009), • PN-EN 60079-1: 2010 (EN 60079-1: 2007), • PN-EN 60079-31 :2010 (EN 60079-31:2009) harmonized with EU Directive 94/9/EC, and the regulations in force. Bydgoskie Zakłady Elektromechaniczne BELMA S.A. ul. Łochowska 69, 86-005 Białe Błota tel. (0-52) 36-36-201, fax. (0-52) 36-36-203; www.belma.com.pl, [email protected] 5. Technical parameters 6. Type of entry unit Range of wire/cable outer diameters /mm/ Type boot for hole to blind Skrew thread according to PNISO 228-1:1995 W10M Ф 6÷10 ZW10 G¾B W20M Ф 10÷20 ZW20 G 1⅛ B W30M Ф 20÷30 ZW30 G 1¾ B W40M Ф 30÷40 ZW40 G 2 ¼B W50M Ф 40÷50 ZW50 G 2½ B Interchangeability Flame-proof inlet units W-M marked: Ex d I Mb, Ex d IIB GB, Ex t IIIC Da IP 66 KDB 06ATEX339U or Ex d I, Ex d IIB IP 66 can be used in place of inlet units: type W-M and boots ZW_ marked Ex dI, Ex dIIB KDB 06ATEX339U type W_M and boots ZW_ marked EEx dI/IIB KDB 04ATEX016U, type W_M and boots ZW_ marked Ex dI/IIB KDB 06ATEX339U, type WP-_ and boots type ZO_. 7. Order example In your order please specify the product designation Example: Flame-proof inlet units type W20M.