Tunnel Ventilation Fans
Large axial fans for normal ventilation and emergency smoke extraction from tunnel and station shafts.
- Aluminium alloy or PAG airfoil impeller
- Blade angle set to the duty point
- Rated for continuous running
Ecovolt Renewables supplies tunnel ventilation fans, jet fans, dampers, silencers and air handling units to metro rail contractors across India. We are the India company of Gateway Construction & Engineering, Singapore, and the authorised distributor for the whole of India for Zhejiang Shangfeng Special Blower Industrial Co., Ltd.
Tunnel ventilation keeps air moving in normal service and controls smoke in an emergency.
Photos show typical installations of this type of equipment.
Ecovolt is a group company of Gateway Construction & Engineering Pte Ltd, a Singapore MEP and engineering firm with more than 15 years of work on Land Transport Authority MRT projects. That station experience shapes how we specify, supply and support ventilation equipment for Indian metro lines.
MEP and ventilation contractor with an LTA MRT track record in Singapore.
Sales, technical submittals, commercial terms and site coordination for Indian metro projects.
Fan and air-handling manufacturer. Ecovolt is its authorised distributor for the whole of India.
Ecovolt is appointed by Zhejiang Shangfeng Special Blower Industrial Co., Ltd. as its authorised distributor for all of India. Shangfeng manufactures axial and centrifugal fans, fire-fighting smoke exhaust fans, fire dampers and air handling units, and supplies tunnel ventilation equipment for metro projects.
Pan-India authorised distributorSee Shangfeng metro and tunnel references
Visit the Shangfeng website
A partial list of metro and tunnel ventilation projects from the manufacturer's job reference. These are Shangfeng's projects, and they include several in Singapore.
| Project | System |
|---|---|
| Singapore | |
| Marina Line Phase 1 | Metro · TVF |
| Circle Line Stage 1, additional fans | Metro |
| Circle Line Stage 4 & 5 | Metro |
| Mandatrock Tunnel | Tunnel |
| Harbour Drive Cable Tunnel | Tunnel |
| Senoko Cable Tunnel | Tunnel |
| Fort Canning Tunnel | Tunnel |
| Hong Kong | |
| TST Line East Rail HCC300 | Metro · TVF |
| Eagle's Nest Height Tunnel | Tunnel |
| Kowloon Southern Link | Tunnel |
| Korea | |
| Pusan Metro | Metro · TVF, UPE/OTE |
| Thailand | |
| Bangkok Airport | Metro |
| Taiwan | |
| Beiyi Highway tunnel ventilation | Tunnel |
Source: Shangfeng job reference, "Metro/Tunnel and the other project list" (partial). TVF = tunnel ventilation fan. UPE/OTE = under-platform and over-trackway exhaust.
Supplied to project BOQ and tender specifications, with performance data, test certificates and factory acceptance testing arranged with the manufacturer.
Large axial fans for normal ventilation and emergency smoke extraction from tunnel and station shafts.
High-temperature exhaust fans for platform trackway heat and smoke removal at underground stations.
Jet fans that add longitudinal thrust along the running tunnel to steer airflow and smoke.
Motorised and fire dampers to isolate and route airflow between fans, shafts and tunnels.
Rectangular TVS silencers and ECS duct attenuators to meet station and portal noise limits.
Modular air handling units for station environmental control systems, built to project specification.
We work with the MEP contractor on each package, from the first technical query through to delivery at site.
Clause-by-clause compliance against the tender specification and BOQ, with open items flagged early.
Clear CIF pricing in USD or INR, delivery schedule and commercial terms.
Production tracking and factory acceptance testing with the manufacturer.
Shipping, documentation, and installation and commissioning support at site.
Send us your tender documents, BOQ or a technical query. We reply with a compliance review and quotation.