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Technical guide specifying the design, performance, installation, and compliance requirements of high-velocity induced flow mixed flow exhaust fans for laboratory and industrial applications, including standards references, certifications, and operational parameters.
Year:
2015
Region / City:
Minneapolis, Minnesota, USA
Subject:
Laboratory and industrial ventilation
Document Type:
Product specification / technical guide
Organization / Institution:
Twin City Fan & Blower, division of Twin City Fan Companies, Ltd.
Author:
Twin City Fan & Blower Technical Department
Target Audience:
Engineers, contractors, facility managers
Standards Referenced:
AMCA, ANSI, NEMA, NFPA, UL/cUL
Fan Model:
TVIFE Series Induced Flow Mixed Flow Fans
Drive Configuration:
Direct drive, Arrangement 4
Applications:
Laboratory fume hoods, schools, hospitals, research facilities, restaurants, wastewater treatment plants
Sizes:
Wheel diameters 12.25 to 66 inches (315 mm to 1,680 mm)
Airflow Capacity:
Up to 86,000 CFM (146,400 m³/hour)
Static Pressure:
Up to 8 inches wg (1,987 Pa)
Certifications:
AMCA certified air and sound performance, UL/cUL 705 listed
Manufacturing Facilities:
Ten U.S. locations and expanded operations in South America, Europe, India, China, Singapore
Quality Standard:
ISO 9001
Price: 8 / 10 USD
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Year:
2015
Region / City:
Minneapolis, Minnesota
Industry:
HVAC, Ventilation
Document Type:
Technical Specification
Organization:
Twin City Fan & Blower
Author:
Twin City Fan & Blower
Target Audience:
Engineers, Architects, HVAC professionals
Period of Validity:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Product Type:
Hooded Modular Gravity Ventilators
Performance:
Up to 109,000 CFM, Static Pressure up to 0.4 inches wg
Warranty Period:
12 months from startup or 18 months from shipment
ISO Certification:
ISO 9001
Application:
Commercial, Industrial
Material:
Galvanized steel, Aluminum
Maximum Dimensions:
72 x 180 inches (198 x 198 mm to 1,829 x 4,572 mm)
Maximum Airflow:
109,000 CFM (185,191 m³/hr)
Static Pressure:
0.4 inches wg (99 Pa)
Manufacturer:
Twin City Fan & Blower, Minneapolis MN
Contact:
(763) 551-7600, [email protected]
Website:
www.tcf.com
Year:
2015
Region / City:
Minneapolis, Minnesota
Topic:
HVAC, Gravity Ventilation
Document Type:
Specification Guide
Organization / Institution:
Twin City Fan & Blower, a division of Twin City Fan Companies, Ltd.
Author:
Twin City Fan & Blower
Target Audience:
Engineers, contractors, and professionals in HVAC system design and installation
Validity Period:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2017
Company:
Aerovent
Headquarters Location:
Minneapolis, Minnesota, United States
Document Type:
Guide Specification
Section Number:
23 34 23.03
Product Model:
BSHD Series
Product Type:
Axial Roof Ventilators, Direct-Driven
Certifications:
UL/cUL 705 Listed; ISO 9001
Referenced Standards:
AMCA 204; AMCA 210; AMCA 300; AMCA 211; AMCA 311; NEMA MG 1; NFPA 70
Impeller Diameter Range:
14 to 48 inches (356 mm to 1,219 mm)
Maximum Airflow:
Up to 32,200 CFM (54,700 m3/hour)
Maximum Static Pressure:
Up to 1 inch wg (248 Pa)
Warranty Period:
12 months from startup or 18 months from shipment
Applications:
Commercial and light industrial ventilation
Manufacturing Space:
Over 1,000,000 sq. ft. in the United States
Contact Information:
(763) 551-7500; [email protected]
Note:
; www.aerovent.com
Year:
2017
Manufacturer:
Aerovent, Minneapolis MN, USA
Document Type:
Technical Specification
Application:
Industrial and commercial HVAC systems
Material:
Fiberglass with chemical-resistant polyester resin
Standard Compliance:
ASTM E84, ISO 9001, ASME NQA-1
Model:
AMA Series
Airflow Capacity:
Up to 40,000 CFM (67,959 m³/h)
Static Pressure:
Up to 1 inch wg (248 Pa)
Warranty:
12 months from startup or 18 months from shipment
Target Audience:
Engineers, contractors, facility managers
Installation:
Roof-mounted with curb cap base
Accessories:
Backdraft dampers, bird screens, optional insulation
Coordination Requirements:
Structural supports, roof curb sizing
Performance Requirements:
Rated capacities and operating characteristics
Reference Drawings:
Include dimensions, weights, and attachment details
Copyright:
© 2017 Aerovent
Year:
Not specified
Region / City:
Not specified
Subject:
Workplace safety, roof work, fume cupboard emissions
Document Type:
Safety guidelines
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Maintenance and service personnel
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Organisation:
South African Nuclear Energy Corporation SOC Ltd (Necsa)
Bid number:
FIN-SCM-TEN-0205
Bid description:
Supply, installation, commissioning and validation of three identical fume cupboards
Document type:
Invitation to bid / tender document
Sector:
Nuclear energy and laboratory infrastructure
Procurement framework:
Preferential Procurement Policy Framework Act and Preferential Procurement Regulations, 2022
Contract conditions:
General Conditions of Contract (GCC) and applicable special conditions
Bid closing date:
18 March 2026
Bid closing time:
11:00 AM
Bid validity period:
90 working days from the bid closing date
Delivery address:
Necsa Gate 3, R104 Elias Motsoaledi Street (Church Street West Ext), Pelindaba, Brits Magisterial District, Madibeng Municipality, North West, 0240, South Africa
Contact person:
Mr. Buyani Nsibande
Contact email:
[email protected]
Contact telephone:
+27 (0) 12 305 6072
Project components:
Supply and installation of fume cupboards, validation, site acceptance testing, safety documentation, operator training, spare parts provision
Associated project:
UCHEM Crystal Waste Project
Technical specification reference:
MES – MEC-PUR - 0008
Health, safety and environmental requirements:
Compliance with ISO 14001, OHSAS 18001, ISO 9001, ISO 17025 and RD 0034
Site status:
National Key Point facility with controlled access requirements
Year:
2026
Region / City:
Pelindaba, South Africa
Document Type:
Invitation to Bid / Tender Document
Organization:
Necsa
Bid Number:
FIN-SCM-TEN-0205
Closing Date:
18 February 2026
Closing Time:
11:00am
Contact Person:
Mr Buyani Nsibande
Telephone:
012 305 6072
Email:
[email protected]
Scope:
Supply, install, commission and validate three identical fume cupboards
Requirements:
Tax Compliance Status PIN, Central Supplier Database registration, B-BBEE verification
Target Audience:
Suppliers of laboratory equipment, foreign and local bidders
Conditions:
Comply with Preferential Procurement Policy Framework Act 2000, General Conditions of Contract, and Special Conditions if applicable
Submission:
Bids must be submitted on official forms by the closing date and time
Year:
2012
Document type:
Technical assessment
Topic:
Occupational health, Aluminum welding fume
Author:
James L. Unmack, MS, CIH
Organization:
HEAC
Draft versions:
1 March 9, 2012; 2 March 12, 2012; 3 March 16, 2012; 4 March 26, 2012
Chemical:
Aluminum oxide
CAS number:
1344-28-1
Proposed exposure limit:
0.5 mg/m³ TWA
Measurement methods:
NIOSH 7300, 7301, 7303, Method 7013
Intended audience:
Occupational health professionals, industrial hygienists
Key applications:
Aerospace, transportation, non-ferrous metal welding
Relevant studies:
Piggot 1981, Akila 1999, Buchta 2003, Elinder 1991, Hanninen 1994, Iregren 2001, Ljungren 1991, Riihimaki 2000/2008, Rossbach 2006, Vandenplas 1998, Sjogren and Ellinder 1992
Exposure guidelines referenced:
8 CCR 5155 Table AC-1, NIOSH REL, ACGIH TLV
Content focus:
Particle size, density, melting/boiling points, odor thresholds, health-based recommendations
Binary Effect of Silica Fume and Waste Glass Powder as A Cement Replacement for Sustainable Concrete
Year:
2026
Authors:
Ömer Damdelen, Mohamad Ali Mosaberpanah, Stephen Babajide Olabimtan, Micheal Deric Anthony, Babatunde Olufunso Oluwole
Affiliation:
Civil Engineering Department, Cyprus International University, North Cyprus, Nicosia, Turkey
Type of document:
Research article
Field:
Civil Engineering / Sustainable Construction
Keywords:
Silica fume, Waste Glass Powder, Sustainable Concrete, Cement Replacement, Material Science
Correspondence email:
[email protected]
Study focus:
Impact of silica fume and waste glass powder on concrete properties
Experimental variables:
Cement replacement levels (5%-20%) with silica fume and waste glass powder
Measured properties:
Workability, compressive strength, tensile strength, water absorption, density, microstructure, high-temperature resistance
Publication language:
English