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SS-HRN: Burgmann HRN replacement

Description:
SS-HRN: Replacement of Burgmann HRN, AES M010, Roplan 201, Roten EHS mechanical seal

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SS-HRN: Burgmann HRN mechanical seal replacement
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

SS-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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