CALEFFI DISCAL 551716 Series Instruções de instalação, colocação em funcionamento e manutenção - Página 10

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CALEFFI DISCAL 551716 Series Instruções de instalação, colocação em funcionamento e manutenção

Construction details

DISCAL air separators are designed to allow

maintenance and cleaning without having to

remove the valve body from the piping. All

DISCAL air separators come standard with a

bottom connection for installing a drain valve.

All internal air release control components are

fully accessible in all the models.

The automatic air vent, located at the top

of the units, has a long chamber for the

movement of the

float. This feature

p r e v e n t s a n y

debris present in

the water from

r e a c h i n g t h e

sealing seat. A

s t a i n l e s s s t e e l

float guide pin (3)

prevents the float

from sticking due

to accumulating

re s i d u e i n t h e

f l o w i n g f l u i d s ,

59756

even when the DISCAL air separator is not

installed perfectly vertical.

A replacement air vent assembly for the

DISCAL brass 551 series (except rotating

collar and compact versions) is code 59829;

for the DISCAL steel 551 and NA551 series is

code 59756.The moving parts that control air

venting are accessed simply by removing the

upper cover (4). Replacement cap and float

assembly for all versions of the brass DISCAL

551 and 5517series is code F39807.

When cleaning, simply unscrew the portion

59829

F39807

of the body containing the

automatic air vent (5). For the

rotating collar and compact

models, the element can be

removed by removing the

upper cover (4). There is no

need to remove the air vent

body for these models.