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e B. Subject to compliance with requirements, manufacturers offering fire dampers which may be <br /> incorporated in the work include the following: <br /> I. Air Balance,Inc. <br /> 2. American Warming&Ventilating,Inc. <br /> 3. Arrow Louver and Damper;Div.of Arrow United Industries Inc. <br /> 4. Louvers and Dampers,Inc. <br /> 5. Penn Ventilator Co. <br /> 6. Phillips-Aire. <br /> 7. Ruskin Mfg.Co. <br /> 8. Safe Air. <br /> 9. National Controlled Air. <br /> 10. Cesco Products. <br /> 11. Prefco. <br /> ' 12. Nailor. <br /> 13. United Air. <br /> 14. Greenheck. <br /> ' 2.03 TURNING VANES <br /> A. Fabricated Turning Vanes: Provide fabricated turning vanes and vane runners, constructed in accordance with <br /> SMACNA"HVAC Duct Construction Standards". <br /> B. Manufactured Turning Vanes: Provide turning vanes constructed of 1-1/2" wide curved blades set at 3/4" o.c., <br /> supported with bars perpendicular to blades set at 2"o.c.,and set into side strips suitable for mounting in ductwork. <br /> C. Acoustic Turning Vanes: Provide acoustic turning vanes constructed of airfoil shaped aluminum extrusions with <br /> perforated faces and fiberglass fill. <br /> D. Subject.to compliance with requirements,manufacturers offering turning vanes which may be incorporated in the <br /> work include the following: <br /> 1. Aero Dyne Co. <br /> 2. Airsan Corp. <br /> 3. Anemostat Products Div.;Dynamics Corp.of America. <br /> 4. Barber-Colman Co. <br /> 05. Duro Dyne Corp. <br /> 6. Environmental Elements Corp.;Subs.Koppers Co.,Inc. <br /> 7. Hart&Cooley Mfg.Co. <br /> 8. Register&Grille Mfg.Co.,Inc. <br /> 9. Souther,Inc. <br /> 2.04 DUCT HARDWARE <br /> A. General: Provide duct hardware,manufactured by one manufacturer for all items on project,for the following: <br /> 1. Test Holes: Provide in ductwork at fan inlet and outlet,and elsewhere as indicated,duct test holes, consisting <br /> of slot and cover,for instrument tests. <br /> 1 2. Quadrant Locks: Provide for each damper,quadrant lock device on one end of shaft;and end bearing plate on <br /> other end for damper lengths over 12". Provide extended quadrant locks and end extended bearing plates for <br /> externally insulated ductwork. <br /> 15910-3 No.99132-CP2 <br />