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AS-LB500: Burgmann LB500 replacement

Description:
AS-LB500: Perfect replacement of Burgmann LB500 supplied by Saisi Mechanical Seal Co. Ltd.

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AS-LB500: Burgmann LB500 mechanical seal
Features:
Equivalent to Burgmann LB500
Single seal
Balanced
Independent of direction of rotation
Rotating multiple springs
Operating range:
Pressure: p = vacuum … 35 bar (508 PSI)
Temperature: t = -20 °C … +200 °C (-4 °F … +392 °F)
Sliding velocity: vg = … 20 m/s (66 ft/s)
Viscosity: … 500 mPa·s
Solids content: … 0.5 %
Materials:
Seal face: Carbon graphite resin impregnated (B), High density carbon graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)
Recommended applications:
Chemical industry
Process industry
Acids
Alkaline solutions
Salt solutions
Low viscosity oils
Monomers
Hydrocarbons
Water
Seawater
Process pumps
Advantages:
API 682 (Type A) compliant
Fits to EN and ANSI seal chambers
Optimized, narrow width seal face design

AS-LB500 Dimensions(mm)
d d1 d2 d3 d4 d5 d6 l l1 l2 l3 l4 l5 b
25 39 41 29 35 20 3 44 34 10 5.5 2.0 24 3.5
28 42 44 33 39 24 3 44 34 10 5.5 2.0 24 3.5
30 44 46 34 40 25 3 44 34 10 5.5 2.0 24 3.5
32 46 48 37 43 27 3 44 34 10 5.5 2.0 24 3.5
33 47 49 37 43 28 3 44 34 10 5.5 2.0 24 3.5
35 49 51 39 45 30 3 44 34 10 5.5 2.0 24 3.5
38 55 58 42 48 33 3 45 35 10 5 2.0 25 3.5
40 57 60 44 50 35 3 45 35 10 5 2.0 25 3.5
42 59 62 49 56 37 4 48 37 11 5 2.0 25 4.0
43 60 63 49 56 38 4 48 37 11 5 2.0 25 4.0
45 62 65 51 58 40 4 48 37 11 5 2.0 25 4.5
48 65 68 54 61 43 4 48 37 11 5 2.0 25 4.5
50 67 70 56 63 45 4 48 37 11 6 2.0 25 4.5
53 70 73 59 66 48 4 48 37 11 6 2.0 25 4.5
55 72 75 62 70 50 4 50 37 13 6 2.5 25 4.5
60 77 85 67 75 55 4 50 37 13 6 2.5 25 5.0
63 80 88 70 78 58 4 50 37 13 6 2.5 25 5.0
65 82 90 72 80 60 4 50 37 13 6 2.5 25 5.0
70 87 95 77 85 65 4 50 37 13 6 2.5 25 5.0
75 92 104 83 92 70 4 53 38 15 7 2.5 25 5.0
80 97 109 88 97 75 4 53 38 15 7 2.5 25 5.0
85 102 114 95 105 80 4 53 37.5 15.5 7 3.0 25 5.0
90 107 119 100 110 85 4 53 37.5 15.5 7 3.0 25 5.0
95 112 124 105 115 90 4 53 37.5 16 7 3.0 25 5.0
100 117 129 110 120 95 4 53 37.5 15.5 7 3.0 25 5.0
105 122 134 115 125 100 4 53 37.5 15.5 7 3.0 25 5.0
110 127 139 120 130 105 4 53 37.5 15.5 7 3.0 25 5.0

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