Standard_Parts_Catalogue

Page 1610 | 3.5 Controlling, Venting, Sealing of Liquids and Gases 1 d 1 2 d 2 3 Type 4 Identification no. 5 Color How to order 1 2 3 4 5 GN552.6-31-G1-A-1-GB 3 Type A Without dipstick B * With dipstick 4 Identification no. 1 With splash guards, without filter 2 With splash guards, with PU filter ATEX Breather caps GN 552.6 are suitable for use in an explosion risk environment. They comply with the guidelines (ATEX) 2014/34/EU. MAX-MIN markings can easily be marked on the two flat sides of the dipstick (see GN 109 → Page 2083) . A detailed operating instruction is available and included with every brea- ther cap. Function and operational criteria of breather caps see GN 552 → Page 1608. see also... • Breather Caps GN 552 → Page 1608 Information • Upper part (cap) Plastic (Polyamid PA) - - Temperature resistant up to 80 °C - - Yellow, RAL 1021, matte finish GB • Lower part (threaded part) Plastic (Polyamid PA) - - Temperature resistant up to 80 °C - - Black, matte • Seal Rubber NBR (Perbunan ® ) • Air filter PU-foam (Polyurethane) Filtration 40 µm • Dipstick Steel, phosphated • Elastomer Characteristics → Page 2158 • Plastic Characteristics → Page 2158 • RoHS Specification 5 1 2 d 1 d 2 d 3 d 4 l 1 l 2 l 3 31 G 3 ⁄ 8 10 30  9,5 29 188 31 G 1 ⁄ 2 12 30  9,5 29 188 42 G 3 ⁄ 4 18 41 11,5 35,5 184 * not available from stock, requires a minimum order quantity • Level Markings / Special Lengths GN 109 → Page 2083 On request Original design SFP-EX / SFP+a-EX GN 552.6 ATEX Breather Caps Plastic