A60 Marine Fire Damper

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A60 Marine Fire Damper

Key Features

This damper compliments the comprehensive range of automatic fire and smoke dampers and associated controls, provides the complete solution for shipboard air conditioning and ventilation systems fire safety engineering strategies

The A-60 Marine Fire Damper has been designed for inclusion in air conditioning and ventilation systems, in dry filtered air, and is tested and approved for fitting to class A-0, A-15, A-30 and A-60 divisions (bulkheads and decks), when suitably insulated (refer to insulation details).



Designed for inclusion in Marine and Offshore Projects

Actionair have years of experience in the design, development and manufacture of life safety equipment, including the supply of fire damper products to the offshore and marine industry. The Actionair A-60 Marine Fire Damper has been specifically engineered to meet stringent legislation.

This damper can be used where the maximum system pressure is up to 1500 Pa and duct velocities to 15m/s. The A60 marine fire damper has been tested in accordance with EN1751:2014 and is classified; Class 3 closed blade leakage with blade seals; Class C casing leakage. The A-60 Marine Fire Damper is suitable for both vertical and horizontal applications, with airflow in either direction. The dampers are normally open, and fail-safe to the closed position

A-60 Dampers are supplied in 2 casing and blade options:-

  1. 430 Stainless steel blades, galvanised steel casing - only suitable for installation in dry filtered systems.
  2. 316 Stainless steel blades, casing and drive - more suited for corrosive conditions, but even this will rapidly corrode and fail if not properly maintained, when used in air intake systems at sea.

There are also a range of control options detailed below.

The addition of a DB50 Storm Louvre is highly recommended and access must be provided for maintenance.


    Construction

    Blades

    The damper blades are aerodynamic double skin at 75mm pitch which when closed, interlock to form a positive fire resisting shield.

    430 grade (Type1.4016) ferritic stainless steel with sintered steel with steam oxide and oil dipped finish blade end bearings (available with galvanised casing only).

    316 grade (Type 1.4401) Austenitic stainless steel with sintered 316 austenitic stainless steel blade end bearings.

    Blades are 0.5mm thick of double skin construction.

    Casing

    1.2mm galvanised steel or 316 grade (type 1.4401) austenitic stainless steel flanged type casing, (optional 2mm and 3mm thick), having a single penetration for the drive control, complies to Class A & B of Eurovent 2/2 and Test Procedures for Classes A, B, & C of the HVCA Ductwork Specification DW144.

    Pre-punched bolt holes are provided as standard.

    In addition stainless steel peripheral gasketing is included, which allows for expansion under full fire conditions.

    The 1.2mm casing has obvious benefits, for example being lighter in weight, allowing easier installation.

     


    Control Options

    Standard Control Modes

    The IP54 rated control modes, are located outside of the ductwork for ease of access and installation. Control modes can be fitted in any one of three orientations i.e. vertically down, horizontally or vertically up. Positions 1, 2, or 3.

    Two sizes (Compact and Universal) of control mode are utilised depending on the damper size.

    The control modes are direct coupled to the damper utilising a unique user friendly positive connection system.

    This allows the dampers and actuators to be supplied separately, offering shipping and storage benefits

    Electrical ATEX(Ex) Rated

    The ATEX rated control modes, are located outside of the ductwork for ease of access and installation. Control modes can be fitted in any one of three orientations, i.e. vertically down, horizontally or vertically up. Positions 1, 2, or 3.

    The control modes are direct coupled to the damper utilising a unique user friendly positive connection system.

    This allows the dampers and control modes to be supplied separately, which can result in shipping and storage benefits

    Pneumatic

    The special purpose design Pneumatic Thermal Release (PTR) assembly is supplied with 500mm nylon tubing that connects to the quick fit couplings of the PTR and control mode. Incorporated is a failsafe 74°C fusible link. When this activates, air exhausts from the control mode, enabling the PTR to spring return to the fail-safe position, thus closing the damper.

    The control modes are coupled to the damper using a friendly connection system. This allows the damper actuator and the PTR to be supplied separately, offering shipping and storage benefits.

     

    Installation, Operation and Maintenance

    Testing

    Two levels of testing exists.

    1. Routine testing Monthly, or in accordance with maintenance programme, release and reset damper (via control system or ETR test switch). Check remote indication or visual check of mechanical pointer as appropriate.

    2. Visual check at damper At commissioning and at least once a year, check damper operation by removing and re-applying power to actuator. (via ETR test switch). Visually check blades for damper closed and open positions. Prove remote indication if applicable.

    Routine Maintenance

    Depending upon environmental conditions, each damper will merit its own cleaning regime. Particularly hostile areas may require monthly cleaning and lubrication.

    ‘Frequency of maintenance’ should be determined by collecting historical data from previous visits, and for this reason, commence maintenance programmes at very frequent intervals. Dampers in ‘Dry Filtered Air’ require very limited maintenance. Using Duck Oil (recommended lubricant, or similar equivalent), clean all exposed surfaces, using a cloth. Remove all traces of surface staining, as this will deteriorate further causing deeper material corrosion.

    If damper is stiff to operate, lubricate blade ends and open and close damper successively until the damper moves with ease. (This may necessitate removal of the actuator and operating the blades manually by the drive shaft). Refit actuator, and retest. Clean off excessive lubricant.


    Testing and Certification

    Testing Overview

    The A-60 Marine Fire Damper has undergone extensive fire testing in single and multiple arrangements. The dampers were incorporated in steel bulkheads and decks and tested to the Marine Fire Resistance Test in accordance with IMO resolution A754. (18) for a duration of 60 minutes.

    Changes to the originally supplied product may invalidate the certification and/or warranty.


    Optional Accessories

    DRIM

    This is designed for control and monitoring of the electrically operated A-60 Marine Fire Dampers. It will operate from 24V, 120V or 230V supplies, 50 or 60 Hz.

    Selection of the operating voltage is by use of internal links on the PCB, prior to installation and connection of actuator and supply.

    The DRIM may be used singly to provide local damper control, or in pairs to provide control from either side of a damper. It can also operate 2 actuators when dampers are provided in 2 multiple sections

    LED position and operation indication is provided. Operation is by push button to close and twist to re-open damper.

    Visual Indicator

    Visual indication non drive side

    Option to have drive blade visual indication, non drive side only.

    Red indicates damper closed Green indicates damper open.

    This can only be fitted to single section dampers.


    Product Documents

    Title Type Added Link
    DRIM Installation and Operating instructions IOM about 2 months ago Download >
    DET Norske Veritas (DNV) Type Approval For A60 Marine expires December 2021 Certification about 3 months ago Download >
    SAS F170079 MED Certificate of Fire Approval expires April 2022 Certification about 3 months ago Download >
    ABS certificate Actionair Marine A-60 Expires January 2022 Certification about 3 months ago Download >
    Type Approval Cert Transport Canada LRTC 0000139 expires April 2022 Certification about 3 months ago Download >
    Type Approval Cert MED 1650203/M1 (Module D) expires September 2019 Certification about 3 months ago Download >
    EC Type Examination (Module B) Certificate No. MED 1750068 Expires April 2022 Certification about 3 months ago Download >
    Mode 5 and 6 PTC Compact data sheet Datasheets about 3 months ago Download >
    Mode 5 and 6 PTCTM Regular Spring Return Actuator Datasheet Datasheets about 4 months ago Download >
    A60 Marine Fire Damper Brochure about 5 months ago Download >
    A60 Marine Fire Damper - with Atex rated electrical actuator - Installation, Operating & Maintenance Instructions IOM about a year ago Download >
    A60 Marine Fire Damper - with Atex rated Pneumatic Hytork actuator IOM about a year ago Download >
    A60 Marine Fire Damper - with Atex rated pneumatic Festo actuator - Installation, Operation & Maintenance Instructions IOM about a year ago Download >
    A60 Marine Fire Damper with electrical actuator - Installation, Operation & Maintenance Instructions IOM about a year ago Download >

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