N71 (type 891) O-ring Mechanical Seal
Analog: Chesterton Type 891 O-ring Mechanical Seal
Performance Capabilities
Temperature: -20C to 180C dependent on the elastomer
Pressure: Up to 16 bar
Speed: Up to 15 m/s
Sizes: 16mm to 200mm 0.75" to 8"
Materials Combination
Face: Carbon, SiC, TC
Seat: Ceramic, SiC, TC
O-rings: NBR, EPDM, VITON, Aflas, FEP, FFKM
Spring: SS304, SS316, hastelloy C
Metal parts: SS304, SS316
| |
d |
D |
L2 |
| N71-16 |
16 |
30.45 |
35 |
| N71-18 |
18 |
32.28 |
35.2 |
| N71-20 |
20 |
34.29 |
35.2 |
| N71-22 |
22 |
36.3 |
35.2 |
| N71-24 |
24 |
38.3 |
35.2 |
| N71-25 |
25 |
39.29 |
35.2 |
| N71-28 |
28 |
42.29 |
35.2 |
| N71-30 |
30 |
44.3 |
35.2 |
| N71-32 |
32 |
46.3 |
44.65 |
| N71-33 |
33 |
47.9 |
44.65 |
| N71-35 |
35 |
49.48 |
44.65 |
| N71-38 |
38 |
54.28 |
44.65 |
| N71-40 |
40 |
56.08 |
44.65 |
| N71-43 |
43 |
59.08 |
44.65 |
| N71-45 |
45 |
61.09 |
44.65 |
| N71-48 |
48 |
64.11 |
44.65 |
| N71-50 |
50 |
66.09 |
44.65 |
| N71-55 |
55 |
71.07 |
44.65 |
| N71-60 |
60 |
77.14 |
44.65 |
| N71-65 |
65 |
83.01 |
44.65 |
| N71-70 |
70 |
86.08 |
44.65 |
| N71-75 |
75 |
98.43 |
51 |
| N71-80 |
80 |
104.76 |
51 |
| N71-85 |
85 |
107.95 |
51 |
| N71-90 |
90 |
114.3 |
51 |
| N71-95 |
95 |
117.48 |
51 |
| N71-100 |
100 |
123.83 |
51 |
| N71-110 |
110 |
133.35 |
51 |
| N71-120 |
120 |
152.4 |
92.1 |
| N71-125 |
125 |
158.75 |
92.1 |
| N71-130 |
130 |
165.1 |
92.1 |
| N71-135 |
135 |
171.45 |
92.1 |
| N71-140 |
140 |
171.45 |
92.1 |
| N71-145 |
145 |
177.8 |
92.1 |
| N71-150 |
150 |
184.15 |
92.1 |
| N71-155 |
155 |
190.5 |
92.1 |
| N71-160 |
160 |
196.85 |
92.1 |
| N71-165 |
165 |
196.85 |
92.1 |
| N71-170 |
170 |
203.2 |
92.1 |
| N71-175 |
175 |
209.55 |
92.1 |
| N71-180 |
180 |
215.9 |
92.1 |
| N71-185 |
185 |
215.9 |
92.1 |
| N71-190 |
190 |
222.25 |
92.1 |
| N71-195 |
195 |
228.6 |
92.1 |
| N71-200 |
200 |
234.95 |
92.1 |
| |
d |
D |
L2 |
| "N71-1 |
25.4 |
39.95 |
35.2 |
| "125.N71-1 |
28.58 |
43.13 |
35.2 |
| "N71-1.25 |
31.75 |
46.3 |
44.65 |
| "1.375-N71 |
34.93 |
49.48 |
44.65 |
| "1.5-N71 |
38.1 |
54.43 |
44.65 |
| "1.625-N71 |
41.28 |
57.61 |
44.65 |
| "1.75-N71 |
44.45 |
60.78 |
44.65 |
| "N71-1.875 |
47.63 |
63.96 |
44.65 |
| "2-N71 |
50.8 |
67.13 |
44.65 |
| N71-2.125" |
53.98 |
70.31 |
44.65 |
| N71-2.25" |
57.15 |
73.48 |
44.65 |
| N71-2.375" |
60.63 |
76.66 |
44.65 |
| N71-2.5" |
63.5 |
79.83 |
44.65 |
| N71-2.625" |
66.68 |
83.01 |
44.65 |
| N71-2.75" |
66.85 |
92.08 |
51 |
| N71-2.875" |
73.03 |
95.25 |
51 |
| N71-3" |
76.2 |
98.43 |
51 |
| N71-3.125" |
79.38 |
101.6 |
51 |
| N71-3.25 |
82.55 |
104.78 |
51 |
| N71-3.375" |
85.73 |
107.95 |
51 |
| N71-3.5" |
88.9 |
111.13 |
51 |
| N71-3.625" |
92.08 |
114.3 |
51 |
| N71-3.75" |
95.25 |
117.48 |
51 |
| N71-3.875" |
98.43 |
120.65 |
51 |
| N71-4" |
101.6 |
123.83 |
51 |
| N71-4.125" |
104.78 |
127 |
51 |
| N71-4.25" |
107.95 |
130.18 |
51 |
| N71-4.375" |
111.13 |
133.35 |
51 |
| N71-4.5" |
114.3 |
136.53 |
51 |
| N71-4.75" |
120.65 |
152.4 |
92.1 |
| N71-5" |
127 |
158.75 |
92.1 |
| N71-5.25" |
133.35 |
165.1 |
92.1 |
| N71-5.5" |
139.7 |
171.45 |
92.1 |
| N71-5.75" |
146.05 |
177.8 |
92.1 |
| N71-6" |
152.4 |
184.15 |
92.1 |
| N71-6.25" |
158.75 |
190.5 |
92.1 |
| N71-6.5" |
165.1 |
196.85 |
92.1 |
| N71-6.75" |
171.45 |
203.2 |
92.1 |
| N71-7" |
177.8 |
209.55 |
92.1 |
| N71-7.25" |
184.15 |
215.9 |
92.1 |
| N71-7.5" |
190.5 |
222.25 |
92.1 |
| N71-7.75" |
196.85 |
228.6 |
92.1 |
| N71-8" |
203.2 |
234.95 |
92.1 |
