Standard_Parts_Catalogue

Page 1553 | 3.5 Controlling, Venting, Sealing of Liquids and Gases 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Oil sight glasses GN 546 / GN 546.1 are mainly used as oil circulation indicators. They are practically indestructible, even if high torque is applied there is no danger of breakage. Assembly instruction: For mounting on walls of less than 4 mm thickness please use mounting nuts GN 7430. Information GN 546 GN 546.1 Oil Sight Glasses without Marking Ring with Marking Ring Crystal Clear Plastic 1 d 1 2 d 2 How to order (Without marking ring) 1 2 GN546-25-G¾ 1 d 1 2 d 2 How to order (With marking ring) 1 2 GN546.1-31-G1 • Plastic Crystal clear Polyamide (PA-T) - - High mechanical strength - - Temperature resistant up to 100 °C - - Solvent resistant, but not suitable for alcohol • Red marking ring Pad printing • Seal Rubber NBR (Perbunan ® ) • Elastomer Characteristics → Page 2158 • Plastic Characteristics → Page 2158 • RoHS Specification • Mounting Nuts GN 7430 → Page 1632 Accessory 1 2 d 1 d 2 d 3 d 4 l 1 l 2 s Recommended tightening torque in Nm GN 546 GN 546.1 15 G 3 ⁄ 8 - 22,5 -  7,5 13   19    3 ...  5 19 G 1 ⁄ 2 G 1 ⁄ 2 26    7   10,5 16   22    4 ...  6 25 G 3 ⁄ 4 G 3 ⁄ 4 31,5 12 10,5 19,5 27    6 ...  8 31 G 1 G 1 42   15   11   24   36    8 ... 10 38 G 1 1 ⁄ 4 - 46,5 - 11,5 26,5 40,5 12 ... 15 Original design HCFE.