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560A series mechanical seals can be used in pipeline circulating
pumps for water supply, district heating system, industrial
wastewater treatment, boiler feed water, etc. They are suitable for
sealing of oil, water, salt, non-crystallizing solvents and other
weakly corrosive fluids, and are characterized by the structure of
internal mounting, single-end face, large spring, and rubber
bellows structure.
Pressure | ≤0.8 MPa |
Temperature | -20~150 ºC |
Speeds | ≤10 m/sec |
Rotary ring | carbon, resin-impregnated B tungsten carbide, cobalt-bound U1 tungsten carbide, nickel-bound U2 silicon carbide without free silicon Q1 silicon carbide with free silicon Q2 |
Stationary ring | tungsten carbide, cobalt-bound U1 tungsten carbide, nickel-bound U2 silicon carbide without free silicon Q1 silicon carbide with free silicon Q2 Alumina V |
Auxiliary Seal | nitrile synthetic rubber P EP synthetic rubber E fluorocarbon synthetic rubber V |
Spring or other metal parts | CrNi steel F CrNiMo steel G |
Materials according to operating condition |
560A Dimensions(mm) | ||||
d | D3 | D1 | L2 | L1 |
8 | 18.2 | 21 | 7 | 12.2 |
9 | 18.2 | 24 | 7 | 16.2 |
10 | 20.6 | 24 | 7 | 16.2 |
11 | 20.6 | 24 | 7 | 16.2 |
12 | 21.8 | 26 | 7 | 17.2 |
13 | 21.8 | 26 | 7 | 17.2 |
14 | 26.4 | 28 | 7 | 18.2 |
15 | 26.4 | 28 | 7 | 18.2 |
16 | 26.4 | 32 | 8 | 19.2 |
17 | 29.5 | 32 | 8 | 19.2 |
18 | 29.5 | 35 | 8 | 19.2 |
19 | 29.5 | 35 | 8 | 19.2 |
20 | 31.6 | 38 | 8 | 20.2 |
22 | 33.6 | 40 | 8 | 20.2 |
25 | 39.6 | 44 | 9 | 20.2 |
28 | 45 | 46 | 9 | 21.2 |
30 | 46.6 | 50 | 9 | 22.2 |
32 | 46.6 | 54 | 9 | 24.2 |
35 | 50.8 | 58 | 10 | 26.2 |
38 | 54.3 | 60 | 10 | 27.2 |
40 | 57.3 | 64 | 10 | 28.2 |
45 | 61.3 | 66 | 10 | 30.2 |
50 | 67.8 | 72 | 10 | 32.2 |