Dungs GW A4 Series 매뉴얼

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페이지 인쇄
Dungs GW A4 Series 매뉴얼
Compact pressure switch for gases and air
GW A4
Pressure limiters
ÜB A4 and NB A4Double
pressure switches GW A4/ GW A4
1 ... 6
44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวี ว ั ฒ นา กทม. 10170.
website:
https://www.add-furnace.com/
Line ID: @add11 e-mail: [email protected]
Technical description
The GW A4 pressure switches, the
pressure limiters ÜB A4 and NB A4
and the double pressure switch GW
A4 / GW A4 are adjustable pressure
switches for automatic burner controls.
They are suitable for switching a cir-
cuit on, off or over on changes in
actual pressure value relative to the
set reference value.
The reference value (switching point) is
adjusted on a setting wheel provided
with a scale. Test nipple integrated in
metal housing as standard.
Application
Pressure monitoring in firing, ventila-
tion and air-conditioning systems.
Suitable for gases of families 1,2,3 and
other neutral gaseous media.
โทร: 02-888-3472
Approvals
EU type test approval as per EU Gas
Appliance Directive. TÜV (German
Technical Inspectorate) inspection for
pressure switches of special construc-
tion as per TRD 604 and VdTÜV Tech-
nical Data Sheet, edition 100/1, as
well as Class "S" as per EN 1854.
GW...A4
CE-0085 AO 0012
ÜB...A4
CE-0085 AO 0026
NB...A4
CE-0085 AO 0039
Approvals in other important gas-con-
suming countries. Special designs for
the North American market with U
FM and CSA registrations.
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