Alfa Laval Contherm 6X11, Инструкция по эксплуатации

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8 Inspection & Maintenance
WARNING Refer to Section 8.1 Introduction and safety
recommendations before performing the following
procedures.
8.4.1 Standard and Hard Face Rotary Seals
The actual lifecycle of the rotary seal will be determined by the following combination of factors:
1. The product being processed.
2. Hours of usage per week.
3. The temperature at which the Contherm
™
is operated.
4. The degree of preventative maintenance performed including cleaning frequency.
The seal in the Hard Face Seal Assembly is a single seal assembly that functions just like the 2-inch (51 mm) Standard Carbon
Seal Assembly, but in this case the rotating seal face is a harder and more durable material such as Silicon Carbide or
Tungsten Carbide material.
Because the rotary seal is maintained by the continuous moving contact between the two surfaces, the integrity of this sealing
action will degrade over time. To ensure that the rotary seals are operating properly, you must perform periodic inspections
as indicated in Table 8-1.
Figure 8-2 identifies the assemblies and components of the Standard and/or Hard Face Rotary Seals.
Table 8-4 identifies the components of the Standard and Hard Face Rotary Seals.
Table 8-4. Assemblies and Components of the Standard and Hard Face Rotary Seals
Item Assembly/Component Quantity
1 Seal Bushing O-Ring 2
2 Seal Bushing 2
3 Set Screw 2
4
Seal Face
6
5
Seal Shell O-Ring
2
6 2 inch Seal Shell 2
7 Seal Spring 2
As shown in Figure 8-2, the Standard and Hard Face Rotary Seals utilize the same assemblies and components for both the
upper and lower product heads of the Contherm
™
.
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