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 |