MAXIMUM FRESHNESS WESTERN RIDGELINE VENTILATORS & GRAVITY ROOF VENTILATORS
Keep Air Fresh & Cool at MINIMUM COSER
WINDBANDS FORMED TO
PROVIDE WEATHER COVERAGE AND TO DIRECT WINDS FOR ASSISTING EXHAUST FUNCTION.
INTERNAL GUSSET SPACED AT CLOSE INTERVALS FOR RIGIDITY.
TOP PLATE WITH WIDE OVERHANG PROTECTS THROAT FROM ENTRANCE OF ELEMENTS.
INTEGRAL FORMED SCREEN RECEPTACLE.
THROAT FLASHING VENTURI SHAPED
FOR EFFICIENT INLET FLOW.
WESTERN RIDGELINE VENTILATOR
Designed for mounting on the Ridgeline, the ideal exhaust area of any building, Western Ridgeline Ventilators are engineered to provide high efficiency, low cost per C.F.M. and attra- ctive appearance, enhancing even the plainest structure, Furnished in 8-foot sections the
Western Ridgeline Ventilators are ideally suited for all public, commercial and industrial buildings of any length where efficient gravity ventilation is required.
EXHAUST CAPACITIES
PERFORMANCE TABLE CFM per liñal foot
END PLATE
TRIMMED TO FIT
SPECIFIED ROOF PITCH.
END FLASHING SEALS ENDS AT RIDGE CAP
Temp
Effective Stock Height
Sire
Duff * }
10
20
30
40
50
10*
+
150
201
231
254
274
+
20°
201
254
292
377
353
30*
231
292
342
330
415
10°
211
269
308
330
367
12
20*
269
339
390
437
472
30*
300
390
456
507
554
10°
263
336
105
424
458
15
20*
336
424
407
545
509
30-
305
487
370
#33
692
10°
314
404
462
#05
550
10
20*
404
509
585
655
708
30*
462
585
604
761
J31
10°
421
538
l
679
733
24
20° 30.
53+
679
780
780 913
#74
944
1014
1108
GRAVITY ROOF VENTILATOR
LICENCED MANUFACTURER FOR. S. E. ASIA:
Architecturally pleasing, low silhouette roof ventilator for gravity or relief applications where internal positive pressure exists. Also used as a discharge or intake hood for interior ducting systems available in square or rectangular sizes with equal width areas on all four sides. Engineered to provide weatherproof and storm- proof protection. Standard construction is of steel or aluminium.
UNITED ENGINEERS
(SINGAPORE) PTE. LTD.
P. O. BOX 41. River Valley Road,
ENGINEERING
&
W
RED
VENTILATION
MFG CO. IZGL
SINCE
SINGAPORE.
WESTERN ENGINEERING & MFG. CO.
TO UNITED ENGINEERS (S'PORE). PTE. LTD.
PLEASE SEND ME FURTHER DETAILS OF:
MATERIALS REQUIRED
(1) Western Ridgeline Ventilators CROSS OUT
(2) Gravity Roof Ventilators
NAME:
ADDRESS:
HON3 WESTER
Far East BUILDER, March 1969