N12 (type 109B) O-ring Mechanical Seal
Analog: John Crane Type 109B O-ring Mechanical Seal
Performance Capabilities
Temperature: -50C to 400C dependent on the elastomer
Pressure: Up to 25 bar
Speed: Up to 20 m/s
Sizes: 5/8" to 4"
Materials Combination
Face: Carbon, SiC, TC
Seat: Ceramic, SiC, TC
O-rings: PTFE
Spring: SS304, SS316, hastelloy C
Metal parts: SS304, SS316
| |
d |
d1 |
D |
L2 |
| "0.625-N12 |
15.88 |
12.7 |
30.7 |
27.2 |
| "0.75-N12 |
19.05 |
15.9 |
34 |
30.2 |
| N12-0.875" |
22.23 |
19.1 |
37.2 |
32.2 |
| N12-1" |
25.4 |
22.2 |
40.3 |
33.2 |
| N12-1.125" |
28.58 |
25.4 |
43.5 |
35.2 |
| N12-1.25" |
31.75 |
28.6 |
48.3 |
35.2 |
| N12-1.375" |
34.93 |
28.6 |
51.5 |
37.2 |
| N12-1.5" |
38.1 |
31.8 |
54.6 |
37.2 |
| N12-1.625" |
41.28 |
34.9 |
61 |
45.2 |
| N12-1.75" |
44.45 |
38.1 |
64.2 |
45.2 |
| N12-1.875" |
47.63 |
41.3 |
67.3 |
45.2 |
| N12-2" |
50.8 |
44.5 |
70.5 |
45.2 |
| N12-2.125" |
53.98 |
47.6 |
76.9 |
52.2 |
| N12-2.25" |
57.15 |
50.8 |
80 |
52.2 |
| N12-2.375" |
60.33 |
54 |
83.2 |
52.2 |
| N12-2.5" |
63.5 |
57.2 |
86.4 |
52.2 |
| N12-2.625" |
66.68 |
60.3 |
89.6 |
52.2 |
| N12-2.75" |
69.85 |
63.5 |
92.7 |
52.2 |
| N12-2.875" |
73.03 |
66.7 |
95.9 |
52.2 |
| N12-3" |
76.2 |
69.9 |
97.5 |
52.2 |
| N12-3.125" |
79.38 |
73 |
100.7 |
52.2 |
| N12-3.25" |
82.55 |
76.2 |
105.4 |
52.2 |
| N12-3.375" |
85.73 |
79.4 |
108.6 |
52.2 |
| N12-3.5" |
88.9 |
82.6 |
111.8 |
52.2 |
| N12-3.625" |
92.08 |
85.7 |
115 |
52.2 |
| N12-3.75" |
95.25 |
88.9 |
118.1 |
52.2 |
| N12-3.875" |
98.43 |
92.1 |
121.3 |
52.2 |
| N12-4" |
101.6 |
95.3 |
124.5 |
52.2 |
