Standard_Parts_Catalogue

Page 1612 | 3.5 Controlling, Venting, Sealing of Liquids and Gases GN 663 Breather Caps Plastic 1 d 1 2 d 3 (d 2 ) 3 Type 4 Identification no. How to order 1 2 3 4 GN663-70-BA39-A-4 4 Identification no. 1 * With splash guards, no filter 2 With splash guards, with PU filter 3 * No splash guards, no filter 4 No splash guards, with PU filter 3 Type A Without dipstick B ** With dipstick Information 1 2 2 d 1 d 2 Thread d 3 Bayonet BA d 4 d 5 d 6 d 7 l 1 l 2 l 3 l 4 l 5 l 6 70 G 3 ⁄ 4 - 68 35 16 - 15 6 63 - - 173 70 G 1 1 ⁄ 4 - 68 - 23 - 17 - 59 - - 179 70 G 2 - 68 - 23 - 17 - 59 - - 179 70 - BA 39 68 - - 23 - - - 14 56 179 Function and operational criteria of breather caps GN 663, see descrip- tion of function. Breather caps can be connected by either a threaded or a bayonet (BA) fitting and filler strainer GN 664 or GN 664.1. The bayonet type can be secured by means of the attached chain. MAX-MIN lines can easily be marked on the two flat sides of the dipstick (see GN 109 → Page 2083) . see also... • Filler Strainer GN 664 / GN 664.1 → Page 1634 / 1636 • Breather Caps GN 774.1 (with Membrane) → Page 1614 • Breather Strainers GN 7403 → Page 1630 * not availble from stock, requires a minimum order quantity ** only available for identification no. 1 and 2 • Plastic (Polyamide PA) - - Temperature resistant up to 100 °C - - Upper part (cap) Orange, RAL 2004 - - Lower part (threaded part / bayonet) Black, matte finish • Seal Rubber NBR (Perbunan ® ) • Air filter PU-foam (Polyurethane) - - Filtration 40 µm - - Temperature resistant up to 100 ºC • Dipstick Steel, phosphated • Elastomer Characteristics → Page 2158 • Plastic Characteristics → Page 2158 • RoHS Specification • Level Markings / Special Lengths GN 109 → Page 2083 • Cap without imprint „OIL“ or other imprint On request Original design SFN. / SFP.