Twin City Gravity Relief / Intake Ventilators - IM-4700 User Manual
Gravity relief/intake ventilators, Im-4700, Models
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
- Fans With CE Mark - ES-2-06 (16 pages)
- Protective Coatings Guide - ES-35 (4 pages)
- Bearing Problems - ES-53 (1 page)
- Airflow Measuring System Using Piezometer Ring - ES-105 (4 pages)
- Fans Using Taperlock Hub & Bushing - ES-106 (1 page)
- Troubleshooting Vibration Problems - ES-202 (1 page)
- ATEX Fans - ES-309 (2 pages)
- SWSI Nested Inlet Vanes - ES-394 (4 pages)
- Type ‘E’ Adjustable Pitch Propeller - ES-404 (2 pages)
- Aero Acoustic Diffuser - ES-409 (4 pages)
- DWDI Nested Inlet Vanes - ES-494 (4 pages)
- Torque Requirements - ES-495 (2 pages)
- External Inlet Vanes - ES-594 (2 pages)
- TSL; Nested Inlet Vanes - ES-694 (2 pages)
- Electronically Commutated Motors - IM-4055 (4 pages)
- Centrifugal Fans - ES-52 (8 pages)
- Air Kit Fans - ES-56 (2 pages)
- MPQN/MPQS Modular Plenum Fans - ES-110 (8 pages)
- Tubeaxial, Vaneaxial, & Duct Fans ES-191 (4 pages)
- Panel Fans & Power Roof Ventilators - ES-200 (2 pages)
- Heavy Duty Composite Fiber Fans - IM-410 (10 pages)
- Backward Inclined Hinged Restaurant Exhaust Fan - BHRE - IM-610 (12 pages)
- TSL & QSL; Inline Centrifugal and Mixed Flow Fans - ES-895 (8 pages)
- Heavy Duty Centrifugal Fans - ES-995 (8 pages)
- Centrifugal Fume Exhaust Fans - IM-390 (8 pages)
- Modular Plenum Fans - MPLFN / MPLFS / MPLQN / MPLQS - IM-495 (7 pages)
- Inline Fume Exhaust Fans - IM-1080 (8 pages)
- General Instructions (Fiberglass Ventilators) - IM-3000 (8 pages)
- HA / HAB Fiberglass Wall Mount Ventilators - IM-3100 (4 pages)
- Axial Roof Ventilators and Tubeaxial Fans - IM-4000 (8 pages)
- Centrifugal Roof & Wall Exhausters - IM-4050 (16 pages)
- BSI / DSI Square Inline Centrifugal Fans - IM-4205 (12 pages)
- DBS / DBT Forward Curved Inline Duct Blowers - IM-4220 (8 pages)
- BCFS Centrifugal Filtered Supply Fans - IM-4300 (4 pages)
- BCRFS Belt Driven Centrifugal Filtered Supply Fans - IM-4310 (8 pages)
- Modular Gravity Hood - MGR, MGI - IM-4720NFL (4 pages)
- Modular Gravity Hood - MGR, MGI - IM-4720NFS (4 pages)
- Modular Gravity Hood - MGI with Filters - IM-4720FSL (4 pages)
- Modular Gravity Hood - MGI with Filters - IM-4720FSS (4 pages)
- TCPE, WPB, WPD Propeller Wall Fans - IM-4800 (16 pages)
- Hooded Tubeaxial Roof Fans (Non-Filtered) - IM-4850NF (4 pages)
- Hooded Tubeaxial Roof Fans (Filtered Supply) - IM-4850FS (4 pages)
- Hooded Propeller & Tubeaxial Roof Fans - IM-4860 (8 pages)
- Hooded Propeller Fans (Non-Filtered) - IM-4860NF (4 pages)