CALEFFI DISCAL 5517 Series, Инструкция по установке, наладке и обслуживанию

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Function
The DISCAL ® air separator is used to continuously remove the air
contained in the hydronic circuits of heating and cooling systems.
The air discharge capacity of these devices is very high. They are
capable of removing automatically all the air present in the system
down to micro-bubble level.
The circulation of fully de-aerated water enables the equipment to
operate under optimum conditions, free from any noise, corrosion,
localized overheating or mechanical damage. Micro-bubbles, fusing
with each other, increase in volume (get larger) until they become
large enough to rise to the top where they are automatically
released.
This item is designed for use in closed hydronic systems. Do not use this item in plumbing applications. It does
not meet the low-lead plumbing standards of U.S. and Canada.
Product range
551 series DISCAL air separator for horizontal pipes, in brass compact with drain
Sizes ¾” integral sweat; ¾” NPT female (A without service check valve, AC with
service check)
551 series DISCAL air separator for horizontal pipes, in brass with drain
Sizes ¾” - 1” - 1 ¼” - 1 ½” - 2” NPT female; 1” - 1 ¼” - 1 ½” - 2” integral sweat
(A without service check valve, AC with service check)
551 series DISCAL air separator for horizontal pipes, in brass with drain
Sizes 1” - 1 ¼” - 1 ½” - 2” press (A without service check valve, AC with service check)
5517 series DISCAL air separator for horizontal or vertical pipes with rotating collar, in brass with
drain. Sizes ¾” and 1” sweat union, press union and NPT male union
551 series DISCAL air separator for horizontal pipes, in steel with flanged connections with drain
Sizes 2” – 6” ANSI
NA551 series DISCAL air separator for horizontal pipes, in steel with flanged
connections with drain designed and built in accordance with Section
VIII, Division 1 of the ASME Boiler and Pressure Vessel Code and
tagged and registered with the National Board of Boiler and Pressure
Vessel Inspector, with ASME U-stamp. Sizes 2” – 12” ANSI.
Installation, commissioning and servicing instructions
38456.1 2
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551- 5517 - NA551 Series
DISCAL
®
air separator
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NA551 & 551 DISCAL
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