Dungs DMV-D/634 Kurulum Talimatları Kılavuzu - Sayfa 9
Kontrol Ünitesi Dungs DMV-D/634 için çevrimiçi göz atın veya pdf Kurulum Talimatları Kılavuzu indirin. Dungs DMV-D/634 9 sayfaları. Dual modular nema 4x safety shutoff valves with proof of closure
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Pulse Fired Applications
When using these valves on pulse fired applications, the fol-
lowing apply:
• Before installing the valve, the inside of all gas piping up-
stream to the nearest filter shall be cleaned and that filter
shall have an insert with mesh no larger than 50 micron.
• The valve shall be installed in the upright position.
Multiple Burner Applications
On multiple burner applications, the following requirements
apply:
• A manually operated shutoff valve shall be installed down-
stream of each individual burner safety shutoff valve.
• The backpressure on the indiviudal burner safety shutoff
valve shall be measured during the commissioning of
Accessories & Replacement
Accessories/Adapter
Visual Indicator
Valve Switch CPI 400
DMV-D(LE) 704 gasket for flange
2" NPT Flange
2" Rp Flange
120 VAC Replacement Coil (Mag. Type 201)
Vent Line Adapter - 1" NPT (field mountable)
G 1/8" Test nipple with gasket
Hydraulic Brake
Main flow adjustment knob
9 ... 9
• The valve shall be applied within all of its ratings. The type
of gas, the ambient temperature and the cycle rate of the
valve are critical.
• The valve shall be leak tested at least annually.
• After the cycle life has been exceeded, the valve shall be
immediately replaced.
the furnace to verify that while the all other burners are
firing and the individual burner safety shutoff valve shall
is deenergized, the backpressure does not exceed 2 PSI.
Measuring the backpressure shall also be repeated during
purge and post purge. A pressure gauge can be used to
measure the backpressure.
Order No.
266949
266968
231574
232407
215384
246517
243760
219008
223158
231790
Karl Dungs, Inc.
3890 Pheasant Ridge Drive NE
Suite 150
Blaine, MN 55449, U.S.A.
Phone 763 582-1700
Fax
763 582-1799
e-mail [email protected]
Internet http://www.dungs.com/usa/
The indicator mounts to the bottom of the valve and
visually displays when the valve is open or closed.
Valve switch with visual indication.
Karl Dungs GmbH & Co. KG
P.O. Box 12 29
D-73602 Schorndorf, Germany
Phone + 49 (0)7181-804-0
Fax
+49 (0)7181-804-166
e-mail [email protected]
Internet http://www.dungs.com