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URB-5 Discharge Silencer
[TS-URB-5]

URB-5 Discharge Silencer


The URB/URD Series Discharge Silencer is a heavy-duty, all welded unit constructed of carbon steel sheet and plate. It provides pulse control and silencing for subcritical pitch line velocity (PLV) applications. Sizes 4" and larger are equipped with flanged connections drilled to 125/150 lb ANSI specifications. Smaller sizes are standard with male threaded pipe nipples. Units sized 4" and 5" are available in either flanged or male pipe threads. Exterior surfaces receive a shop coat of rust inhibitive primer and may be finish painted in the field if desired.

Size Capacity (Inlet CFM 14.7 PSIA at 70°F)
Inlet Silencer Discharge Silencer
4 PSIG 6 PSIG 8 PSIG 10 PSIG 15 PSIG
1 30 35 40 40 40 45
1.5 70 80 85 90 95 105
2 120 140 150 160 165 185
2.5 190 220 235 245 255 285
3 270 320 335 355 370 415
3.5 370 430 455 480 505 560
4 480 560 600 630 660 735
5 750 880 935 985 1030 1150
6 1080 1260 1340 1410 1480 1650
8 1920 2250 2390 2510 2630 2940
Est. Temp 70°F 115°F 140°F 165°F 190°F 240°F



Size D L N H
URB-1 4.5 21 2 17
URB-1.5 6.5 24 2 20
URB-2 8 33 3 27
URB-2.5 10 34 3 28
URB-3 10 46 3 40
URB-3.5 12 52 3 46
URB-4 14 53 3 47
URB-5 16 65 3 59
URB-6 18 72 3 66
URD-8 22 97 3.5 90


Note: Sizes 1"–6" are URB Series; sizes 8"–30" are URD Series. Both series are fundamentally the same in design and the performance characteristics are identical.

Please Note: The product picture may differ slightly from the actual product.
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