M74-D MECHANICAL SEAL SERIES



Dimensions, items no's and descriptions as for
Type M74-D, but with pumping screw(Item no. 1.4).
Dependent on direction of rotation!
Operating limits

d1=18…200mm 0.625"…8" p=16(25)bar 230(360)PSI t=-50-220℃
(-20-80℃﹡) vg=20m/s(10m/s*) 66(33)ft/s Limit for
shrink-fitted carbide seal faces with d>=105mm
Axial movement： d<= 100mm±0.5mm d>100mm±2.0mm

Stationary seats

Torque transmission
d3 d6 d7 d8 d9 d11 d12 ds l1 l3 l4 l5 l6 l7 l8 l9 l10 l11 l12 l13 l14 l15 l16 l28 l31 l35 mx t
35 29.0 35.0 3 4 29.5 35.0 　 61.0 38 19.0 2.0 5 9 19.5 11.5 8.5 12.5 8.5 9.5 7.5 1.5 5 7.5 17.0 15 M5 3.5
40 34.0 40.0 3 4 32.0 38.0 45 61.0 38 19.0 2.0 5 9 19.5 11.5 8.5 12.5 8.5 9.5 7.5 1.5 5 7.5 17.0 15 M5 3.5
43 37.0 43.0 3 4 36.0 42.0 47 62.0 39 19.5 2.0 5 9 19.5 11.5 8.5 14.0 10.0 11.0 9.0 1.5 5 7.5 17.5 15 M6 3.5
45 39.0 45.0 3 4 39.2 45.0 49 62.0 39 19.5 2.0 5 9 19.5 11.5 8.5 14.0 11.5 11.0 10.5 1.5 5 7.5 17.5 15 M6 3.5
47 42.0 48.0 3 4 42.2 48.0 51 62.0 39 19.5 2.0 5 9 19.5 11.5 8.5 14.0 11.5 11.0 10.5 1.5 5 7.5 17.5 15 M6 3.5
48 42.0 48.0 3 4 44.2 50.0 51 62.0 39 19.5 2.0 5 9 19.5 11.5 8.5 14.5 12.0 11.5 10.5 1.5 5 7.5 17.5 15 M6 3.5
50 44.0 50.0 3 4 46.2 52.0 54 62.0 39 19.5 2.0 5 9 19.5 11.5 8.5 14.5 12.0 11.5 11.0 1.5 5 7.5 17.5 15 M6 3.5
55 49.0 56.0 4 4 49.2 55.0 59 69.0 41 20.2 2.0 6 9 22.0 14.0 10.0 14.5 11.3 11.5 10.3 1.5 5 9.0 18.5 15 M6 3.5
57 51.0 58.0 4 4 52.2 58.0 61 70.0 42 21.0 2.0 6 9 22.0 14.0 10.0 14.5 11.8 11.5 10.8 1.5 5 9.0 19.0 15 M6 3.5
60 54.0 61.0 4 4 53.3 62.0 65 70.0 42 21.0 2.0 6 9 22.0 14.0 10.0 17.0 13.2 14.3 12.0 2.0 6 9.0 19.0 15 M6 3.5
62 56.0 63.0 4 4 55.3 64.0 66 70.0 42 21.0 2.0 6 9 22.0 14.0 10.0 17.0 12.8 14.3 11.6 2.0 6 9.0 19.0 15 M6 3.5
65 59.0 66.0 4 4 59.7 68.4 69 70.0 42 21.0 2.0 6 9 22.0 14.0 10.0 17.0 12.8 14.3 11.6 2.0 6 9.0 19.0 15 M6 3.5
67 62.0 70.0 4 4 60.8 69.3 71 73.0 43 21.5 2.5 6 9 23.0 15.0 10.5 17.0 12.8 14.3 11.6 2.0 6 9.5 19.5 15 M6 3.5
70 65.0 73.0 4 4 63.8 72.3 75 73.0 43 21.5 2.5 6 9 23.0 15.0 12.0 17.0 13.5 14.3 12.3 2.0 6 11.0 19.5 15 M6 3.5
72 67.0 75.0 4 4 66.5 75.4 76 73.0 43 21.5 2.5 6 9 23.0 15.0 12.0 18.0 14.5 15.3 13.3 2.0 6 11.0 19.5 15 M8 3.5
79 70.0 78.0 4 5 69.5 78.4 83 86.0 56 28.0 2.5 6 9 23.0 15.0 12.0 18.0 14.5 15.3 13.3 2.0 6 11.0 23.5 19 M8 3.5
81 72.0 80.0 4 5 71.5 80.4 85 86.0 56 28.0 2.5 6 9 23.0 15.0 12.0 18.0 14.5 15.3 13.3 2.0 6 11.0 23.5 19 M8 3.5
84 75.0 83.0 4 5 74.5 83.4 88 85.0 55 27.5 2.5 6 9 23.0 15.0 12.0 18.0 14.2 15.3 13.3 2.0 6 11.0 24.5 19 M8 3.5
86 77.0 85.0 4 5 76.5 85.4 95 85.0 55 27.5 2.5 6 9 23.0 15.0 12.0 18.0 14.2 15.3 13.0 2.0 6 11.0 24.5 19 M8 3.5
89 81.0 90.0 4 5 82.7 91.5 93 91.0 55 27.5 2.5 7 9 26.0 18.0 12.5 18.0 14.9 16.0 13.7 2.0 6 11.3 24.5 19 M8 3.5
91 83.0 92.0 4 5 83.0 92.0 95 92.0 56 28.0 2.5 7 9 26.0 18.0 12.5 18.0 14.2 15.3 13.0 2.0 6 11.3 23.5 19 M8 3.5
99 88.0 97.0 4 5 90.2 99.0 105 92.0 56 28.0 2.5 7 9 26.0 18.0 12.5 18.0 15.2 15.3 14.0 2.0 6 11.3 25.5 19 M8 3.5
104 95.0 105.0 4 5 95.2 104.0 109 92.5 56 28.0 3.0 7 9 26.2 18.2 13.0 19.0 16.2 16.3 15.0 2.0 6 12.0 25.5 19 M8 3.5
109 100.0 110.0 4 5 100.2 109.0 114 92.5 56 28.0 3.0 7 9 26.2 18.2 15.0 19.0 16.0 16.3 14.8 2.0 6 14.0 25.0 19 M8 3.5
114 105.0 115.0 4 5 105.2 114.0 119 92.5 56 28.0 3.0 7 9 26.2 18.2 15.0 19.0 16.0 16.3 14.8 2.0 6 14.0 25.5 19 M8 3.5
119 110.0 120.0 4 5 111.6 120.3 124 90.5 56 28.0 3.0 7 9 25.2 17.2 15.0 20.0 17.0 17.3 15.8 2.0 6 14.0 25.0 19 M8 3.5
124 115.0 125.0 4 5 114.5 123.3 129 90.5 56 28.0 3.0 7 9 25.2 17.2 15.0 20.0 17.0 17.3 15.8 2.0 6 14.0 25.0 19 M8 3.5
138 122.2 134.3 5 7 　 　 143 108.0 68 34.0 2.0 10 9 30.0 20.0 　 　 　 　 　 　 　 　 30.5 22 M8 3.5
143 128.2 140.3 5 7 　 　 148 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
148 136.2 148.3 5 7 　 　 153 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
153 138.2 150.3 5 7 　 　 158 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
158 142.2 154.3 5 7 　 　 163 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
163 146.2 158.3 5 7 　 　 168 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
168 152.2 164.3 5 7 　 　 173 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
173 156.2 168.3 5 7 　 　 178 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
178 161.2 173.3 5 7 　 　 183 110.0 70 35.0 2.0 10 　 30.0 20.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
183 168.2 180.3 5 7 　 　 188 114.0 70 35.0 2.0 10 　 32.0 22.0 　 　 　 　 　 　 　 　 31.5 22 M8 3.5
191 173.2 185.3 5 7 　 　 196 127.0 79 39.5 2.0 12 　 34.0 24.0 　 　 　 　 　 　 　 　 35.5 22 M8 3.5
196 178.2 190.3 5 7 　 　 201 127.0 79 39.5 2.0 12 　 34.0 24.0 　 　 　 　 　 　 　 　 35.5 22 M8 3.5
201 183.2 195.3 5 7 　 　 206 127.0 79 39.5 2.0 12 　 34.0 24.0 　 　 　 　 　 　 　 　 35.5 22 M8 3.5
206 188.2 200.3 5 7 　 　 211 127.0 79 39.5 2.0 12 　 34.0 24.0 　 　 　 　 　 　 　 　 35.5 22 M8 3.5
211 193.2 205.3 5 7 　 　 216 127.0 79 39.5 2.0 12 　 34.0 24.0 　 　 　 　 　 　 　 　 35.5