By certification 
Features:
Equivalent to Burgmann HRN
Single seal
Balanced
Independent of direction of rotation
Stationary springs
Dual seals in tandem as well as back-to-back arrangements (also in combination with H10 seal)
Operating range:
Shaft diameter: d = 18 ... 100 mm (0.71" … 3.94")
Pressure: p1*) = 25 bar (363 PSI)
Temperature: t = -40 °C ... +220 °C (-40 °F … 428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Materials:
Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), NBR (P), FFKM (K), PTFE (T)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G)
Advantages:
Safe operation (no fractures) because of seal face locking by square pin;
Spring unit averted from the product so no sticking and clogging of the springs;
Suitable for pressure reversals
Operation in vacuum without additional seat locking possible;
No damage of the shaft by a dynamically loaded O-Ring;
Small installation sizes
Best suitable for conversions, no adaptations of the pump;
Insensitive to solid containing and abrasive media
Advantages of a balanced seal even with plain shafts
Insensitive to shaft movements because of the stationary design
Recommended applications:
Water and waste water technology
Refining technology
Dirty, abrasive and solid containing media
Fugitive hydrocarbons (no API seal!)
Sticky and stringy media
Chemical standard pumps
Sewage pumps
Enactus -HRN Dimensions(mm) | |||||||||||
d1 |
d3 |
d6 |
d7 |
d8 |
d10 |
l1k |
l3 |
l5 |
l6 |
f |
mx |
18 |
33 |
27 |
33 |
3 |
34.7 |
37.5 |
19.5 |
2.0 |
5 |
3.0 |
4 |
20 |
35 |
29 |
35 |
3 |
36.7 |
37.5 |
19.5 |
2.0 |
5 |
3.0 |
4 |
22 |
37 |
31 |
37 |
3 |
38.7 |
37.5 |
19.5 |
2.0 |
5 |
3.0 |
4 |
24 |
39 |
33 |
38 |
3 |
40.7 |
40.0 |
20.5 |
2.0 |
5 |
3.5 |
5 |
25 |
40 |
34 |
40 |
3 |
41.7 |
40.0 |
20.5 |
2.0 |
5 |
3.5 |
5 |
28 |
43 |
37 |
43 |
3 |
44.7 |
42.5 |
21.5 |
2.0 |
5 |
3.5 |
5 |
30 |
45 |
39 |
45 |
3 |
46.7 |
42.5 |
21.5 |
2.0 |
5 |
3.5 |
5 |
32 |
48 |
42 |
48 |
3 |
49.7 |
42.5 |
21.5 |
2.0 |
5 |
3.5 |
5 |
33 |
48 |
42 |
48 |
3 |
49.7 |
42.5 |
21.5 |
2.0 |
5 |
3.5 |
5 |
35 |
50 |
44 |
50 |
3 |
51.7 |
42.5 |
21.5 |
2.0 |
5 |
3.5 |
5 |
38 |
56 |
49 |
56 |
4 |
57.7 |
45.0 |
24.0 |
2.0 |
6 |
4.0 |
6 |
40 |
58 |
51 |
58 |
4 |
59.7 |
45.0 |
24 |
2.0 |
6 |
4.0 |
6 |
43 |
61 |
54 |
61 |
4 |
62.7 |
45.0 |
24.0 |
2.0 |
6 |
4.0 |
6 |
45 |
63 |
56 |
63 |
4 |
64.7 |
45.0 |
24.0 |
2.0 |
6 |
4.0 |
6 |
48 |
66 |
59 |
66 |
4 |
67.7 |
45.0 |
24 |
2.0 |
6 |
4.0 |
6 |
50 |
70 |
62 |
70 |
4 |
71.7 |
47.5 |
25.0 |
2.5 |
6 |
4.0 |
6 |
53 |
73 |
65 |
73 |
4 |
74.7 |
47.5 |
25.0 |
2.5 |
6 |
4.0 |
6 |
55 |
75 |
67 |
75 |
4 |
76.7 |
47.5 |
25 |
2.5 |
6 |
4.0 |
6 |
58 |
78 |
70 |
78 |
4 |
80.5 |
52.5 |
28.0 |
2.5 |
6 |
4.0 |
6 |
60 |
80 |
72 |
80 |
4 |
82.5 |
52.5 |
28.0 |
2.5 |
6 |
4.0 |
6 |
63 |
83 |
75 |
83 |
4 |
85.5 |
52.5 |
28 |
2.5 |
6 |
4.0 |
6 |
65 |
85 |
77 |
85 |
4 |
87.5 |
52.5 |
28.0 |
2.5 |
6 |
4.0 |
6 |
68 |
90 |
81 |
90 |
4 |
92.5 |
52.5 |
28.0 |
2.5 |
7 |
4.0 |
6 |
70 |
92 |
83 |
92 |
4 |
94.5 |
60.0 |
34 |
2.5 |
7 |
6.0 |
8 |
75 |
97 |
88 |
97 |
4 |
100.5 |
60.0 |
34.0 |
2.5 |
7 |
6.0 |
8 |
80 |
105 |
85 |
105 |
4 |
108.5 |
60.0 |
34.0 |
3.0 |
7 |
6.0 |
8 |
85 |
110 |
100 |
110 |
4 |
113.5 |
60.0 |
34 |
3.0 |
7 |
6.0 |
8 |
90 |
115 |
105 |
115 |
4 |
118.5 |
65.0 |
39.0 |
3.0 |
7 |
10.0 |
8 |
95 |
120 |
110 |
120 |
4 |
123.5 |
65.0 |
39.0 |
3.0 |
7 |
10.0 |
8 |
100 |
125 |
115 |
125 |
4 |
128.5 |
65.0 |
39 |
3.0 |
7 |
10.0 |
8 |
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