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Pre-Action Valve DV-5a Automatic Water Control Valve
Preaction Type A Fire Protection Systems are characterized in normal
operation as being a single interlock system wherein upon electric fire
detection. The Preaction Type A Fire Protection Systems are further characterized when being in a fault detection, as in a loss of primary and
back-up battery electric power, as converting to a dry pipe system. In dry
system mode, opening of a sprinkler results in loss of system air pressure
and opening the DV-5a ValveThe TYCO Model AV-1-300 Alarm Check Valves are divided seat ring,
rubber-faced clapper, waterflow alarm check valves that are intended
forruse in wet pipe (automatic sprinkler) fire protection systems. They
may be installed vertically or horizontally*, and they are designed to
automati cally actuate electric and/or hydraulic alarms when there is a
steady flow of water into the system that is equivalent to the discharge
rate of one or more sprinklers.
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กรุณาโอนเงินเข้าบัญชี ธนาคาร กสิกรไทย สาขา คลอง 6 ธัญบุรี ชื่อบัญชี บจก.เจช้อปดีแอล เลขที่บัญชี 119-347-595-3 โปรติดต่อฝ่ายขาย 061-5597151 ก่อนการโอน |
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หมายเลขอ้างอิง: 345435
Capacity: 200 GPM – 2000 GPM
Pressures: 40 – 355 psi
Maximum Working Pressures: 290 to 395 PSI
Speed: 1480,1760, 2900,2980, 3000 RPM
Dynamically Balanced Impeller extends bearing life and ensures smoother operation.
Designed and built as per UL 448 AND NFPA20 for maximum reliability.
Constructed in variety of metallurgies.
Available in 50 Hz and 60 Hz.
Drivers with gear boxes at electric and diesel speeds.
Designed for easy maintenance without interfering with piping.
Open line shaft, water lubricated construction for ease of maintenance.
Self-Venting Design eliminates vapor lock and the need for automatic air release valve
4545