ลงชื่อเข้าใช้
The PRV-1 is intended to automatically maintain the outlet "set pressure" (static and residual) within a close range, regardless of fluctuations in the higher pressure inlet line or varying flow rates.
Can be installed either vertically or horizontally
Available with threaded, flanged, and cut groove inlet and outlet connections
Grooved connections are suitable for use with grooved pipe couplings that are listed or approved for fire protection service
One piece, one moving part diaphragm
In-line service (for maintenance)
Pilot valve provides for any outlet "set pressure", i.e., 80 to 225 psi (5,5 to 15,5 bar)
Rated for use at a maximum pressure of 250 psi (17,2 bar)
Factory outlet "set pressure" of 125 psi (8,6 bar)
Field outlet "set pressure" range of 80 to 225 psi (5,5 to 15,5 bar)
Listings and Approvals: UL, & FM
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หมายเลขอ้างอิง: EWQE
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
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