www.stavoklima.eu Sound - insulating vents PHZ specially suitable for: • compressor stations • pump stations • switching facilities • boiler rooms • noise-intensive manufacturing facilities D=19 dB protected patented design

B B B+100 C A+100 A C 1 Description and use: The sound insulating vents are serially delivered in galvanized, RAL-coloured, powder-coating plate (on customer request they can also be delivered in the ALMg3, or stainless-type). The sound insulating vents are filled with soundproofing material and perforated plate for maximal sound insulation. The air inlets are serially provided with a bird protection grid. The gradient of the vents are so constructed that the vents can also be mounted as a connecting element in air-technical conduits (inherent noise of the vents, pressure loss). The vent can...

Lv = 10 log (10Lpv /10 + 10LpÏ /10) + dL LpÏ Lpv = Lw1 + 10 log Q LpÏ = LwÏ + 10 log Q (4 x ð x R2) (4 x ð x R2) Lw1 = LwA - Dt - DÏ LwÏ mm mm m3/h 2 m 2700 630 800 30 49 48 39 22 20 18 13 10 13 10 5 0 0 0 0 27 46 45 35,5 16,5 13,5 13 8 63 125 250 500 1000 2000 4000 8000 8 8 7 5 5 4 4 4 64 78 78 72,5 62,5 60,5 57 49 63 125 250 500 1000 2000 4000 8000 2 2m 80 m 630 mm 800 mm 2 m SOUND PRESSURE CALCULATION IN A DEFINED POINT METHODS FOR THE DIMENSIONING OF A SOUND INSULATING VENT R=Distance of a point from the middle of the vent (m) v Lv = desired sound pressure level in a defined point Lpž = the...

mm mm m3/h m R E Q U E S T PLEASE COPY THIS FORM SHEET IN A4 FORMAT (ENLARGE 140%) AND SEND IT TO OUR ADDRESS. MANUFACTURER STAVOKLIMA v.o.s. DODAVATEL: CUSTOMER: Horní 22 370 04 Èeské Budìjovice tel.: +420 387 428 990, 387 438 912 fax: +420 387 423 610 company street telephone/fax: tel.: contact person: fax: vent dimension A vent dimension B air-folow POWER CAPACITY OF THE SOURCE (fan, air conditioner) LW(A) Sound insulating Vent „Klasik“ (A/B) 1250 / 1000 / R(0) - RAL 9010 DAMPING OF THE INTERVAL DISTANCE (lines, silencer) Dt 1) Please, choose the alternative required. R - delivery with wall...