Standard_Parts_Catalogue

Page 1602 | 3.5 Controlling, Venting, Sealing of Liquids and Gases 1 2 d 1 d 2 d 3 d 4 d 5 l 1 l 2 t 30 G 3 ⁄ 8 29 3 9 9 33 5 Breather caps GN 556 are used when the ventilation / breathing function is temporarily not required or desired, for instance during transport. In their sealing position, the two O-rings prevent liquids and gases from leaking. As shown in the diagram opposite, air throughput is permitted in the ventilation / breathing position. Information 1 d 1 2 d 2 How to order 1 2 GN556-30- G 3 ⁄ 8 • Plastic - - Temperature resistant up to 80 °C - - Black, matte finish - - Upper part (Cap) Polyamide (PA) - - Lower part (Threaded part) Polyacetal (POM) • O-rings Rubber NBR (Perbunan ® ) • Air filter PU-foam (Polyurethane) Filtration 10 µm • Elastomer Characteristics → Page 2158 • Plastic Characteristics → Page 2158 • RoHS Specification GN 556 Breather Caps Plastic, with Two Functions Original design SFC.