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Twin City Gravity Relief / Intake Ventilators - IM-4700 User Manual

Gravity relief/intake ventilators, Im-4700, Models

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Nomenclature

GRV – 120 B

GRV = Gravity Relief/Intake Ventilator

Design Vintage (GRV)

TEL = Exhaust Louvered

TIL = Intake Louvered

Throat Dimension (TEL/TIL)

LUG = Low Profile Upblast Gravity Exhaust

Vent Size (LUG)

Nominal Throat Diameter (GRV)

090 = 9.00"

270 = 27.38"

120 = 12.13"

300 = 30.38"

160 = 16.25"

320 = 32.38"

180 = 18.25"

360 = 36.38"

210 = 21.25"

420 = 42.38"

240 = 24.25"

480 = 48.38"

©2014 Twin City Fan Companies, Ltd.

IM-4700

June 2014

Gravity Relief/Intake Ventilators

INSTALLATION, OPERATION & MAINTENANCE MANUAL

Model GRV

Models TEL & TIL

Model LUG

Twin City Fan & Blower Catalog 4720 provides additional information on this equipment. This catalog can be found

at www.tcf.com or by contacting your local Twin City Fan & Blower sales representative.

Models

GRV, TEL, TIL, LUG