Yokogawa FD20 Immersion Fitting Manual do Utilizador descarregar pdf (Página 14)

IM 12B6K2-01E-E

4-3. Cleaning systems

The standardised design of fittings makes it

possible to mount cleaning systems directly.

The 4-hole types are especially designed for

these applications.

The Yokogawa program includes two

different types of cleaning systems

(see figure 4-3):

- brush cleaning

(electrically or pneumatically driven)

- chemical cleaning

4-3-1. Selection criteria

Cleaning system Mechanical Chemical

Applications with Brush Acid Base

Oils, fats

Resins (wood, pulp) X

Emulsions of latex X

Fibers (paper, textile) X

Crystaline precipations (carbonates) X XX

Amorpheus precipations (hydroxides) X XX

Fig. 4-3a. Brush Cleaning Fig. 4-3b. Chemical Cleaning

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