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AS-BT-AR: Burgmann BT-AR replacement

Description:
Replacement of: Burgmann BT-AR John crane PR/DR AES B01 Flowserve 118 Roten 37B/L5 Sterling BT VULCAN 18

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AS-BT-AR: Burgmann BT-AR mechanical seal
Features:
Replacement of Burgmann BT-AR
Single and dual seal
Short axial installation length
Protection of the shaft along the whole length
Material approvals available
Operating range:
Shaft diameter: d1 = 6 … 60 mm (0.24" ... 2.4")
Pressure: p1* = 6 bar (87 PSI), vacuum … 0.5 bar (7.25 PSI) up to 1 bar (14.5 PSI) with seat locking
Temperature: t* = -20 °C … +120 °C (-4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
* Depending on medium, size and material
Materials:
Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B, B3), Silicon carbide (Q1,Q6), Tungsten carbide (U)*, PTFE glass fiber reinforced (Y)
Seat: Steatite (X), Aluminium oxide (V, V1),Silicon carbide (Q1, Q6), Tungsten carbide(U)*
Elastomer: NBR (P), EPDM (E), FKM (V),HNBR (X4)
Metal parts: CrNiMo steel (G), CrNi steel (F),1.4057 (F1)*
* Only for SSBT-AR3
Recommended applications：
Water and waste water technology
Food and beverage industry
Water and waste water technology
Building services industry
Food and beverage industry
Domestic and garden pumps
Whirlpool and swimming pool pumps
Dishwasher pumps
Submersible motors/pumps
Water pumps
SS-BT-AR3:
Seal faces made of Tungsten carbide (U). Elastomers and diameter range same as SSBT-AR. The BT-AR3 is the right choice when the seal has to be used in high duty applications or where the seal faces could be damaged by abrasives (waste water).

AS-BT-AR Dimensions(mm)
d1 d3 d4 d6 d7 l3 tol1 l4 l5 l6
6 18 23 8 22 8 +0.5/0 4 0.5 3.5
8S 20 23 10 22 11 +0.5/0 4 0.5 3.5
8 24 27 10 26 11 +0.5/0 8 1 6 *
3/8" 24 24 12 25.4 11 +0.5/0 5.5 0.5 4.5
3/8" 24 24 12 25.4 11 +0.5/0 7.5 1 5.5
10 24 27 12 26 11 +0.5/0 8 1 6 *
11 24 27 13 26 11 +0.5/0 8 1 6 *
12 24 27 14 26 11 +0.5/0 8 1 6 *
12 24 27 14 26 12.8 +0.7/0 8 1 6 *
1/2" 24 24 15 25.4 12.8 +0.7/0 7.5 1 5.5
13 24 27 15 26 12.8 +0.7/0 8 1 6
14S 28 30 18 28.5 12.8 +0.7/0 7.5 1 5.5
14L 28 30 18 28.5 15.3 ± 0.8 7.5 1 5.5
14 32 35 16 29.5 12.8 +0.7/0 8 1 6
15 32 35 17 29.5 12.8 +0.7/0 8 1 6
16R 32 35 18 29.5 12.8 +0.7/0 8 1 6
16 39 43 18 38 12.8 +0.7/0 8 1 6
16 39 43 18 42 12.8 +0.7/0 8 1 6
17 39 43 19 42 12.8 +0.7/0 8 1 6
18 39 43 20 42 12.8 +0.7/0 8 1 6
19 39 43 21 42 12.8 +0.7/0 8 1 6
20 39 43 22 42 12.8 +0.7/0 8 1 6
20S 42 47 22 45 12.8 +0.7/0 10 1 8
22 42 47 24 45 12.8 +0.7/0 10 1 8
23 47 52 25 50 13.5 +1/0 10 1 8
24 47 52 26 50 13.5 +1/0 10 1 8
25R 42 52 27 50 13.5 +1/0 10 1 8
25 47 52 27 50 13.5 +1/0 10 1 8
26 47 52 29 50 13.5 +1/0 10 1 8
27 47 52 30 50 13.5 +1/0 10 1 8
28 54 60 31 57 15 +1/0 10 1 8
30 54 60 33 57 15 +1/0 10 1 8
32 54 60 35 57 15 +1/0 10 1 8
35 60 70 38 63 16 +1/0 10 1 8
38 65 75 41 68 18 +1/0 12 2 9
40 65 75 43 68 18 +1/0 12 2 9
45 70 80 48 73 20 +1/0 12 2 9
50 85 95 53 88 23 +1/0 15 2 12
60 105 115 63 110 30 +1/0 15 2 12
* Alternative seat l4 = 5.5, l5 = 0.5, l6 = 4.5

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