TD-TB-TBSH - Tubeaxial Fans - Catalog 4830 - Twin City Fan ...

AccessoriesBelt GuardTotally enclosed belt guard protects personnel fromrotating components by enclosing the motor sheavesand V-belt drive assembly. (Model TB fans only.)Motor CoverA weatherproof motor cover is available on belt drivenmodels to protect the motor and drive components.Motor covers also serve as an OSHA guard to protectpersonnel from rotating parts and can easily be removedfor inspection. (Model TB fans only.)Inlet BellAn inlet bell is recommended to minimize entrancelosses for installations where the inlet of the fan is nonducted.Inlet bell is flanged and punched to mate upwith the standard flanged inlet.Inlet and Outlet ScreenInlet and outlet screens are available for added safetyon non-ducted applications. Screens are removable forroutine inspection and cleaning of the propeller.Companion FlangeInlet and outlet companion flanges are available for easeof duct connection. Companion flanges are rolled anglerings punched to match the standard inlet or outletflange.Mounting BracketsMounted to fan housing. Location varies with dischargeorientation and mounting option. See page 5.Access Door, BoltedA bolted access door allows for inspection and maintenanceof internal fan components.Shaft SealShaft seal consists of a non-asbestos rubbing ring at thewheel end of the inner cylinder. A shaft seal is recommendedwhen the fan is exposed to wet, corrosive ordirty contaminants. The shaft seal does not make thefan gas tight. (Model TB fans only.)Spark Resistant Construction - Type BType B Spark Resistant Construction is available on beltdriven fans with the “E” or “C” cast aluminum propellersonly. (Model TB fans only.)Vibration IsolatorsRubber-in-shear and spring type isolators are availablefor floor and ceiling mounted installations.Special CoatingsTwin City Fan & Blower has an in-house, specialty coatingfacility offering a wide range of protective coatingsolutions for fans that are exposed to corrosive atmospheres.Fans are coated with enamel as standard.Disconnect SwitchA NEMA 1, 3R or 7/9 safety disconnect switch is availablefor positive electrical shutoff of the fan and theprotection of service personnel. Disconnects are shippedloose for field mounting and wiring.Metal NameplateAvailable in aluminum or stainless steel.Engineering DataMaterial SpecificationsPROPELLERS (GAUGES)SHAFTFAN HOUSING Z SIZESIZE (GAUGE) E CHUB BLADE (IN.)APPROX. SHIP WT. (LB)TDTBW/ALUM W/STEEL W/ALUM W/STEELPROP PROP PROP PROP14 14 3⁄4 33 N/A 40 N/A16 14 3⁄4 53 N/A 67 N/A18 14 3⁄4 60 N/A 75 N/A21 14 3⁄4 85 N/A 104 N/ADIE CAST24 14 12 14 1 97 118 118 139ALUMINUM30 12 12 14 1 149 170 183 20436 12 12 12 1 3 ⁄16 234 257 288 31142 12 10 10 1 7 ⁄16 305 325 375 39548 12 10 10 1 7 ⁄16 547 565 664 68254 12 CAST7 10 1 7 ⁄16 N/A N/A 803 84460 10 ALUMINUM 7 10 1 11 ⁄16 N/A N/A 970 10084 Twin City Bulletin 4830