Mechanical Seals
SD181 type
Features/Benefits
- Fits ANSI B73.1M,ISO3069 and DIN24960 Seal chambers
- Robust rotary face designs, flexibly mounted to reduce damage from shock and face distortion from clamping designs.
- Flexibly mounted mating rings reduce face distortion for adverse operation conditions.
- Springs located outside the process fluid reduce chemical stress corrosion and spring clogging by dirty fluids.
- Stabilized solid silicon carbide and tungsten carbide hard face combinations handle abrasive slurry applications.
- Hydraulically balanced seal design reduces friction, heat and wear by reducing face-loading forces while maintaining a lubrication film between the mating faces.
Operating Parameters
Maximum pressure: vacuum to 400 psig(27br)Temperature Range:-40℉ to 400℉(-40℃ to 204℃)
Maximum Speed: 6000 fpm(30 m/s)
Specific Gravity: ＞0.6
Materials of Construction
Metal Parts: 316 Stainless Steel (standard),other metallurgies available
Mating Ring: Silicon Carbide
Primary Ring: Carbon Tungsten Carbide, Silicon Carbide
Elastomers: Fluoroelastomer (standard), Aflas2 (optional),EPR9optional), Perfluoroelastomer(optional)
Springs, screws snap ring: 316L
SD181.1－Oversize Bore Dimensional Data (Inches)
| Seal SizeD1 | D3 | D4 | D26 | L12 | L23 | L39 | L90 | L91 | L92 | M | N | |
| MIN | MAX | |||||||||||
1.375 |
1.939 |
2.875 |
3.023 |
5.3755 |
2.233 |
1.000 |
1.745 |
2.125 |
0.791 |
0.666 |
0.562 |
4.062 |
1.750 |
2.406 |
3.500 |
3.925 |
6.500 |
2.319 |
1.000 |
1.797 |
2.187 |
0.744 |
0.619 |
0.687 |
5.093 |
1.875 |
2.549 |
3.625 |
3.734 |
6.500 |
2.319 |
1.000 |
1.797 |
2.017 |
0.915 |
0.790 |
0.687 |
5.093 |
2.125 |
2.798 |
3.875 |
4.250 |
7.156 |
2.660 |
1.102 |
2.107 |
2.407 |
0.806 |
0.681 |
0.687 |
5.687 |
2.500 |
3.301 |
4.750 |
4.875 |
8.000 |
2.660 |
1.102 |
2.107 |
2.532 |
0.698 |
0.573 |
0.687 |
6.062 |
2.625 |
3.551 |
4.625 |
4.740 |
8.000 |
2.684 |
1.102 |
2.107 |
2.454 |
0.884 |
0.759 |
0.687 |
6.062 |
2.750 |
3.551 |
4.250 |
4.875 |
8.000 |
2.684 |
1.102 |
2.107 |
2.532 |
0.806 |
0.681 |
0.687 |
6.062 |
Size from 1"to 5.5" please call SOLDIERComm if you demand more size.
SD181.1－Dimensional Data (Inches)
| Seal SizeD1 | D3 | D4 | D26 | L12 | L23 | L39 | L90 | L91 | L92 | M | N | |
| MIN | MAX | |||||||||||
1.000 |
1.564 |
1.625 |
1.889 |
4.000 |
2.219 |
1.000 |
1.730 |
1.776 |
0.613 |
0.488 |
0.525 |
2.805 |
1.125 |
1.689 |
1.750 |
2.015 |
4.125 |
2.233 |
1.000 |
1.745 |
1.808 |
0.613 |
0.488 |
0.525 |
2.933 |
1.250 |
1.812 |
1.875 |
2.294 |
4.250 |
2.233 |
1.000 |
1.745 |
1.808 |
0.613 |
0.488 |
0.525 |
3.213 |
1.375 |
1.939 |
2.000 |
2.421 |
4.375 |
2.233 |
1.000 |
1.745 |
1.808 |
0.613 |
0.488 |
0.525 |
3.338 |
1.500 |
2.187 |
2.250 |
2.680 |
4.875 |
2.319 |
1.000 |
1.797 |
1.859 |
0.647 |
0.522 |
0.525 |
3.599 |
1.625 |
2.312 |
2.375 |
2.812 |
5.000 |
2.319 |
1.000 |
1.797 |
1.859 |
0.647 |
0.522 |
0.562 |
3.766 |
1.750 |
2.406 |
2.480 |
2.918 |
5.250 |
2.319 |
1.000 |
1.797 |
1.859 |
0.647 |
0.522 |
0.562 |
3.875 |
1.875 |
2.549 |
2.625 |
2.918 |
5.250 |
2.319 |
1.000 |
1.797 |
1.859 |
0.647 |
0.522 |
0.562 |
3.875 |
2.000 |
2.673 |
2.750 |
3.015 |
5.500 |
2.660 |
1.102 |
2.107 |
2.170 |
0.677 |
0.552 |
0.562 |
4.000 |
2.125 |
2.798 |
2.875 |
3.360 |
5.859 |
2.660 |
1.102 |
2.107 |
2.169 |
0.677 |
0.552 |
0.687 |
4.469 |
2.250 |
2.923 |
3.000 |
3.485 |
6.500 |
2.660 |
1.102 |
2.107 |
2.169 |
0.677 |
0.552 |
0.687 |
4.566 |
2.375 |
3.048 |
3.125 |
3.610 |
6.500 |
2.660 |
1.102 |
2.107 |
2.169 |
0.677 |
0.552 |
0.687 |
4.719 |
2.500 |
3.301 |
3.375 |
3.891 |
6.750 |
2.660 |
1.102 |
2.107 |
2.169 |
0.677 |
0.552 |
0.687 |
5.000 |
2.625 |
3.551 |
3.625 |
4.062 |
6.750 |
2.684 |
1.102 |
2.107 |
2.169 |
0.701 |
0.576 |
0.687 |
5.170 |
2.750 |
3.551 |
3.625 |
4.062 |
6.750 |
2.684 |
1.102 |
2.107 |
2.169 |
0.701 |
0.576 |
0.687 |
5.170 |
2.875 |
3.614 |
3.687 |
4.186 |
7.000 |
2.684 |
1.102 |
2.107 |
2.170 |
0.701 |
0.576 |
0.687 |
5.312 |
3.000 |
3.864 |
3.934 |
4.469 |
7.750 |
2.930 |
1.181 |
2.450 |
2.513 |
0.605 |
0.480 |
0.812 |
5.720 |
Size from 1"to 5.5" please call SOLDIERComm if you demand more size.
SD181.2－Dimensional Data(Metric)
| Seal SizeD1 | D3 | D4 | D26 | L12 | L23 | L39 | L90 | L91 | L92 | M | N | |
| MIN | MAX | |||||||||||
24 |
39.7 |
41.3 |
48.0 |
101.6 |
56.4 |
25.4 |
44.0 |
45.2 |
15.5 |
12.4 |
13.3 |
71.2 |
25 |
39.7 |
41.3 |
48.0 |
101.6 |
56.4 |
25.4 |
44.0 |
45.2 |
15.5 |
12.4 |
13.3 |
71.2 |
28 |
42.9 |
44.5 |
51.2 |
104.8 |
56.7 |
25.4 |
44.3 |
45.9 |
15.5 |
12.4 |
13.3 |
74.5 |
30 |
44.5 |
46.1 |
56.5 |
108.0 |
56.7 |
25.4 |
44.3 |
45.9 |
15.6 |
12.4 |
13.3 |
79.9 |
32 |
46.1 |
47.6 |
58.3 |
108.0 |
56.7 |
25.4 |
44.3 |
45.9 |
15.6 |
12.4 |
13.3 |
81.6 |
33 |
49.3 |
50.8 |
61.5 |
111.1 |
56.7 |
25.4 |
44.3 |
45.9 |
15.6 |
12.4 |
13.3 |
84.8 |
35 |
49.3 |
50.8 |
61.5 |
111.1 |
56.7 |
25.4 |
44.3 |
45.9 |
15.6 |
12.4 |
13.3 |
84.8 |
38 |
55.5 |
57.2 |
68.1 |
123.8 |
58.9 |
25.4 |
45.6 |
47.1 |
16.5 |
13.3 |
13.3 |
91.4 |
40 |
58.7 |
60.3 |
71.4 |
127.0 |
58.9 |
25.4 |
45.6 |
47.1 |
16.5 |
13.3 |
14.3 |
95.7 |
43 |
61.1 |
63.0 |
74.1 |
133.4 |
58.9 |
25.4 |
45.6 |
47.1 |
16.5 |
13.3 |
14.3 |
98.4 |
45 |
61.1 |
63.0 |
74.1 |
133.4 |
58.9 |
25.4 |
45.6 |
47.1 |
16.5 |
13.3 |
14.3 |
98.4 |
48 |
64.7 |
66.7 |
74.1 |
133.4 |
58.9 |
25.4 |
45.6 |
47.1 |
16.5 |
13.3 |
14.3 |
98.4 |
50 |
67.9 |
70.0 |
76.6 |
139.7 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
14.3 |
101.6 |
53 |
71.1 |
73.0 |
85.3 |
148.8 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
17.4 |
113.5 |
55 |
72.9 |
75.0 |
85.3 |
148.8 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
17.4 |
113.5 |
58 |
74.2 |
76.2 |
88.5 |
165.1 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
17.4 |
116.0 |
60 |
77.4 |
79.4 |
91.7 |
165.1 |
67.6 |
28.0 |
53.5 |
55.1 |
17.1 |
14.0 |
17.4 |
119.9 |
63 |
83.8 |
85.7 |
98.8 |
171.5 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
17.4 |
127.0 |
65 |
83.8 |
85.7 |
98.8 |
171.5 |
67.6 |
28.0 |
53.5 |
55.1 |
17.2 |
14.0 |
17.4 |
127.0 |
68 |
90.2 |
92.1 |
103.2 |
171.5 |
68.2 |
28.0 |
53.5 |
55.1 |
17.8 |
14.6 |
17.4 |
131.3 |
70 |
90.2 |
92.1 |
103.2 |
171.5 |
68.2 |
28.0 |
53.5 |
55.1 |
17.8 |
14.6 |
17.4 |
131.3 |
75 |
98.1 |
99.9 |
113.5 |
196.9 |
74.4 |
30.0 |
62.2 |
63.8 |
15.3 |
12.2 |
20.6 |
145.3 |
Size from 24mm to 140mm, please call SOLDIERComm if you demand more size.
TYPE SD181G
Features/Benefits
Fits ANSI B73.1M,ISO3069 and DIN24960 Seal chambers
Robust rotary face designs, flexibly mounted to reduce damage from shock and face distortion from clamping designs.
Flexibly mounted mating rings reduce face distortion for adverse operation conditions.
Springs located outside the process fluid reduce chemical stress corrosion and spring clogging by dirty fluids.
Stabilized solid silicon carbide and tungsten carbide hard face combinations handle abrasive slurry applications.
Hydraulically balanced seal design reduces friction, heat and wear by reducing face-loading forces while maintaining a lubrication film between the mating faces.
Operating Parameters
Maximum pressure: vacuum to 400 psig(27br)
Temperature Range:-40℉ to 400℉(-40℃ to 204℃)
Maximum Speed: 6000 fpm(30 m/s)
Specific Gravity: ＞0.6
Materials of Construction
Metal Parts: 316 Stainless Steel (standard),other metallurgies available
Mating Ring: Silicon Carbide
Primary Ring: Carbon Tungsten Carbide, Silicon Carbide
Elastomers: Fluoroelastomer (standard), Aflas2 (optional),EPR9optional), Perfluoroelastomer(optional)
Springs, screws snap ring: 316
SD181G.1－Dimensional Data (Inches)
| Seal SizeD1 | D3 | D4 | D26 | L12 | L23 | L39 | L90 | L91 | L92 | M | N | |
| MIN | MAX | |||||||||||
1.000 |
1.564 |
1.625 |
1.889 |
4.000 |
2.219 |
0.700 |
1.431 |
1.476 |
0.913 |
0.788 |
0.525 |
2.805 |
1.250 |
1.812 |
1.875 |
2.294 |
4.250 |
2.233 |
0.700 |
1.446 |
1.492 |
0.913 |
0.788 |
0.525 |
3.213 |
1.375 |
1.939 |
2.000 |
2.421 |
4.375 |
2.233 |
0.700 |
1.446 |
1.492 |
0.913 |
0.788 |
0.525 |
3.338 |
1.500 |
2.187 |
2.250 |
2.680 |
4.875 |
2.319 |
0.700 |
1.497 |
1.543 |
0.945 |
0.821 |
0.525 |
3.599 |
1.625 |
2.312 |
2.375 |
2.812 |
5.000 |
2.319 |
0.700 |
1.497 |
1.543 |
0.945 |
0.821 |
0.562 |
3.766 |
1.750 |
2.406 |
2.480 |
2.918 |
5.250 |
2.319 |
0.700 |
1.497 |
1.543 |
0.945 |
0.821 |
0.562 |
3.875 |
1.875 |
2.549 |
2.625 |
2.918 |
5.250 |
2.319 |
0.700 |
1.497 |
1.543 |
0.945 |
0.821 |
0.562 |
3.875 |
2.000 |
2.673 |
2.750 |
3.015 |
5.500 |
2.660 |
0.759 |
1.765 |
1.811 |
1.020 |
0.895 |
0.562 |
4.000 |
2.125 |
2.798 |
2.875 |
3.360 |
5.859 |
2.660 |
0.759 |
1.765 |
1.811 |
1.020 |
0.895 |
0.687 |
4.469 |
2.250 |
2.923 |
3.000 |
3.485 |
6.500 |
2.660 |
0.759 |
1.765 |
1.811 |
1.020 |
0.895 |
0.687 |
4.566 |
2.375 |
3.048 |
3.125 |
3.610 |
6.500 |
2.660 |
0.759 |
1.765 |
1.811 |
1.020 |
0.895 |
0.687 |
4.719 |
2.500 |
3.301 |
3.375 |
3.891 |
6.750 |
2.660 |
0.759 |
1.765 |
1.811 |
1.020 |
0.895 |
0.687 |
5.000 |
2.625 |
3.551 |
3.625 |
4.062 |
6.750 |
2.684 |
0.759 |
1.765 |
1.811 |
1.043 |
0.919 |
0.687 |
5.170 |
2.750 |
3.551 |
3.625 |
4.062 |
6.750 |
2.684 |
0.759 |
1.765 |
1.811 |
1.043 |
0.919 |
0.687 |
5.170 |
2.875 |
3.614 |
3.687 |
4.186 |
7.000 |
2.684 |
0.759 |
1.765 |
1.811 |
1.043 |
0.919 |
0.687 |
5.312 |
3.000 |
3.864 |
3.934 |
4.469 |
7.750 |
2.930 |
0.783 |
2.052 |
2.098 |
1.003 |
0.878 |
0.812 |
5.720 |
Size from 1"to 5.5" please call SOLDIERComm if you demand more size.
SD181G.2－Dimensional Data(Metric)
| Seal SizeD1 | D3 | D4 | D26 | L12 | L23 | L39 | L90 | L91 | L92 | M | N | |
| MIN | MAX | |||||||||||
24 |
39.7 |
41.3 |
48.0 |
101.6 |
56.4 |
17.8 |
36.3 |
37.5 |
23.1 |
20.0 |
13.3 |
71.2 |
25 |
39.7 |
41.3 |
48.0 |
101.6 |
56.4 |
17.8 |
36.3 |
37.5 |
23.1 |
20.0 |
13.3 |
71.2 |
28 |
42.9 |
44.5 |
51.2 |
104.8 |
56.7 |
17.8 |
36.7 |
37.9 |
23.1 |
20.0 |
13.3 |
74.5 |
30 |
44.5 |
46.1 |
56.5 |
108.0 |
56.7 |
17.8 |
36.7 |
37.9 |
23.2 |
20.0 |
13.3 |
74.5 |
32 |
46.1 |
47.6 |
58.3 |
108.0 |
56.7 |
17.8 |
36.7 |
37.9 |
23.2 |
20.0 |
13.3 |
81.6 |
33 |
49.3 |
50.8 |
61.5 |
111.1 |
56.7 |
17.8 |
36.7 |
37.9 |
23.2 |
20.0 |
13.3 |
84.8 |
35 |
49.3 |
50.8 |
61.5 |
111.1 |
56.7 |
17.8 |
36.7 |
37.9 |
23.2 |
20.0 |
13.3 |
84.8 |
38 |
55.5 |
57.2 |
68.1 |
123.8 |
58.9 |
17.8 |
38.0 |
39.2 |
24.1 |
20.9 |
13.3 |
91.4 |
40 |
58.7 |
60.3 |
71.4 |
127.0 |
58.9 |
17.8 |
38.0 |
39.2 |
24.1 |
20.9 |
14.3 |
95.7 |
43 |
61.1 |
63.0 |
74.1 |
133.4 |
58.9 |
17.8 |
38.0 |
39.2 |
24.1 |
20.9 |
14.3 |
98.4 |
45 |
61.1 |
63.0 |
74.1 |
133.4 |
58.9 |
17.8 |
38.0 |
39.2 |
24.1 |
20.9 |
14.3 |
98.4 |
48 |
64.7 |
66.7 |
74.1 |
133.4 |
58.9 |
17.8 |
38.0 |
39.2 |
24.1 |
20.9 |
14.3 |
98.4 |
50 |
67.9 |
70.0 |
76.6 |
139.7 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
14.3 |
101.6 |
53 |
71.1 |
73.0 |
85.3 |
148.8 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
17.4 |
113.5 |
55 |
72.9 |
75.0 |
85.3 |
148.8 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
17.4 |
113.5 |
58 |
74.2 |
76.2 |
88.5 |
165.1 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
17.4 |
116.0 |
60 |
77.4 |
79.4 |
91.7 |
165.1 |
67.6 |
19.3 |
44.8 |
46.0 |
25.8 |
22.7 |
17.4 |
119.9 |
63 |
83.8 |
85.7 |
98.8 |
171.5 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
17.4 |
127.0 |
65 |
83.8 |
85.7 |
98.8 |
171.5 |
67.6 |
19.3 |
44.8 |
46.0 |
25.9 |
22.7 |
17.4 |
127.0 |
68 |
90.2 |
92.1 |
103.2 |
171.5 |
68.2 |
19.3 |
44.8 |
46.0 |
26.5 |
23.4 |
17.4 |
131.3 |
70 |
90.2 |
92.1 |
103.2 |
171.5 |
68.2 |
19.3 |
44.8 |
46.0 |
26.5 |
23.4 |
17.4 |
131.3 |
75 |
98.1 |
99.9 |
113.5 |
196.9 |
74.4 |
19.9 |
52.1 |
53.3 |
25.5 |
22.3 |
20.6 |
145.3 |
Size from 24 mm to140 mm please call SOLDIERComm if you demand more size.