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AS-H12N: Burgmann H12N replacement

Description:
AS-H12N: Perfect replacement of Burgmann H12N supplied by Saisi Mechanical Seal Co. Ltd.

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AS-H12N: Burgmann H12N
Features:
Equivalent to Burgmann H12N
For stepped shafts
Single seal
Balanced
Dependent of direction of rotation
Torque transmission via conical spring
Operating range:
Shaft diameter: d1 = 10 ... 80 mm (0.4" ... 3.125")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = -50 °C ... +220 °C (-58 °F ... +430 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ± 1.0 mm
Materials:
Seal face: Carbon graphite antimony impregnated (A)
Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S)
Recommended applications:
Chemical industry
Pulp and paper industry
Water and waste water technology
Low solids content media (H12GN)
Hot water
Chemical standard pumps
Water and sewage pumps
Advantages:
High flexibility due to extended selection of materials
Insensitive to low solids contents
Short Installation length possible (G16)
Economical balanced seal
Seat cooling for hot water applications available (G115)
No damage of the shaft by set screws
SS-H12:
Dimensions, items and descriptions as for H12N, but with seat G16.
Seal face: Carbon graphite antimony impregnated (A)
Seat G16: Silicon carbide (Q1), CrMo cast steel (S), Aluminium oxide (V)
SS-H17GN:
Dimensions, items and descriptions as for H12N, but with shrink-fitted seal face (Q12), item no.1.1.
Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F)
Seal face: Silicon carbide (Q12)
Seat G9: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
SS-H17G:
Dimensions, items and descriptions as for H12N, but with shrink-fitted seal face (Q12) and seat G16.
Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F)
Seal face: Silicon carbide (Q12)
Seat G16: Silicon carbide (Q1)

AS-H12N Dimensions(mm)
l3 l5 l6 l7 l8 l9 l18 l19 l39 l40 a b e h1 h2 k b*)
25.5 1.5 4 8.5 17.5 10.0 - - - - - 5 - - - - 8.0
26.5 1.5 4 8.5 17.5 10.0 - - - - - 5 - - - - 8.0
29.5 1.5 4 8.5 17.5 10.0 - - - - - 6 - - - - 8.0
31.0 1.5 4 8.5 17.5 10.0 - - - - - 6 - - - - 8.0
32.5 2.0 5 9.0 19.5 11.5 15 7 - - - 6 - - - - 8.0
32.5 2.0 5 9.0 19.5 11.5 15 7 - - - 6 - - - - 8.0
32.5 2.0 5 9.0 19.5 11.5 15 7 - - - 6 - - - - 8.0
32.5 2.0 5 9.0 19.5 11.5 15 7 - - - 6 - - - - 8.0
33.5 2.0 5 9.0 19.5 11.5 15 7 - - - 6 - - - - 8.0
35.5 2.0 5 9.0 19.5 11.5 15 7 24 8.5 24 6 8 6.6 22.6 9 8.0
35.5 2.0 5 9.0 19.5 11.5 15 7 24.5 9.0 24 6 8 6.6 22.6 9 8.0
39.5 2.0 5 9.0 19.5 11.5 15 7 24.5 9 24 6 8 6.6 22.6 9 7.5
39.5 2.0 5 9.0 19.5 11.5 15 7 24.5 9.0 24 6 8 6.6 22.6 9 7.5
43.5 2.0 5 9.0 19.5 11.5 15 7 24.5 9.0 24 6 8 6.6 22.6 9 8.0
46.0 2.0 6 9.0 22.0 14.0 16 8 26 11 24 6 8 6.6 22.6 9 7.5
48.0 2.0 6 9.0 22.0 14.0 16 8 26 11 24 6 8 6.6 22.6 9 8.0
51.0 2.0 6 9.0 22.0 14.0 16 8 26 11 24 6 8 6.6 22.6 9 8.0
55.0 2.0 6 9.0 22.0 14.0 16 8 26 11 24 6 8 6.6 22.6 9 (8)
55.0 2.0 6 9.0 22.0 14.0 16 8 26 11 24 8 8 6.6 22.6 9 8.0
58.0 2.5 6 9.0 23.0 15.0 17 9.5 26.5 12.5 24 8 8 6.6 22.6 9 8.0
60.0 2.5 6 9.0 23.0 15.0 17 9.5 26.5 12.5 24 8 8 6.6 22.6 9 8.0
60.0 2.5 6 9.0 23.0 15.0 17 9.5 28.5 12.5 26 8 8 6.6 24.6 11 8.0
60.0 2.5 6 9.0 23.0 15.0 18 10.5 28.5 12.5 26 8 8 6.6 24.6 11 8.0
60.0 2.5 6 9.0 23.0 15.0 18 10.5 28.5 12.5 26 8 8 6.6 24.6 11 8.0
60.0 2.5 6 9.0 23.0 15.0 18 10.5 28.5 12.5 26 8 8 6.6 24.6 11 8.0
61.0 2.5 6 9.0 23.0 15.0 18 10.5 28.5 12.5 26 8 8 6.6 24.6 11 10.0
63.0 2.5 7 9.0 26.0 18.0 19 11.5 30.5 14.5 26 8 8 6.6 24.6 11 10.0
68.0 2.5 7 9.0 26.0 18.0 19 11.5 30.5 14.5 26 10 8 6.6 24.6 11 10.0
68.0 3.0 7 9.0 26.2 18.2 19 11.5 30.2 14 26 10 8 6.6 24.6 11 10.0
*) l1N acc. to EN 12756 is exceeded.

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