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  • Mining Valves And Dampers - Poland

    price: contact company for price

    Valves and dampers

    Operating parameters:

    Temperature of medium up to 550 °C

    Sealing up to 99, 9%

    Pressure up to 6 kPa

    Media:

    - raw and purified exhaust gases

    - cold and hot air

    Main parts of device:

    Shaft sealing gland is a sealing cord with

    adjustable clamping force. The type of

    sealant is individually adjusted to the

    operating conditions of the device in order

    to ensure it’s maximum sealing and multi

    season durability. Placing the glands in the

    outer walls of the body (frame) of the device

    enables the exchange of sealant without

    removing the bearings.

    Automatic self-aligning shaft slide bearings.

    They are high quality trouble-free working

    devices. They have sliding rings made of

    carbon and graphite materials or metal-

    graphite composites. Rings cooperate with

    chrome surfaces of metal fittings and

    sleeves. They are resistant to dust,

    moisture, acidic environment, etc. The proper

    selection of sliding rings material for

    device operating conditions ensures long-

    lasting proper functioning of bearings and

    their smooth start, even after a year of

    standstill. Shafts bearings (positioning and

    guiding) are placed on the supports of the

    glands. The supports are welded to the frame

    of the damper.

    Characteristics of air profile damper wings:

    stiffness/optimized low-resistance medium

    flow/the lowest shaft pressure forces on

    bearings

    These features are particularly important in

    case of high flowing speed and relative high

    medium pressure. Wing seals are adapted to

    the working conditions and to the required

    internal sealing of the device.

    The following types are used:

    1. Wing-frame Sealing

    Shut-off valves and dampers are made of:

    - elastic sealing strips for sealing 99, 9%;

    - peripheral flat sealant for sealing 99, 5%.

    2. Wing-frame Sealing of valves and dampers

    are made of flat bars welded to the frame to

    which adjoin wings edges.

    3. Wing-wing sealing is made by so-called

    wings edge overlap.

    The system of engine wings shafts is made

    with fixed shafts connected together with

    joints and connectors. Two automatic joints

    with sliding carbon composite inserts are

    screwed together with connector named “roman

    screw” which gives a high precision of

    regulation. The minimum looseness of internal

    joints and tight installation of joints in

    the rear bevel drive lever slots provide

    precise control of the wing dampers. If it is

    required for health and safety reasons to

    shut off the flow of harmful gases, the

    dampers can be equipped with the air barrier

    system.


    Company Contact:


    • Phone: 48323242327

    • Address: ul. Górnicza 33, Łaziska Górne, Poland

    • Email: Email


    Published date: December 6, 2013 -

    • Business Description: MARTECH GROUP has extensive experience in the industry. Primary offer

      ranges includes products of the mining industry, power engineering and

      lighting, including lighting special. Here we refer to the

      characteristics of our company, products and services.

      We also realize a full range projects based on the individual needs of the client. All products, both typical and individual implementation of have the appropriate certificates and approvals.

      Our offer of individual companies as followes:

      MARTECH PLUS:

      Flame proof transformer stations for mining. Capa city from 15 kVA to 1800 kVA

      Automatic Transistor Rectifier Stations

      Flame proof Reactive Power Compensator

      Mini ng flameproof switchgear

      Flame proof specjal switches

      Explosion proof lamps

      Liquid Level Sensors

      Medium voltage cable tester

      Modular lighting systems.

      Industrial lighting

      Vacuum Contactors

      ENERGO MECHANIK

      for mining:

      Battery underground locomotive type LeaBM

      Electric underground locomotive type Ld 31 EM

      Diesel underground locomotive type Lds 100K EMA

      Diesel narrow surface locomotive type WLP . EM

      Container gas station KPSP 2

      for thermal power generation:

      Scroll coal feeder

      Ash chain conveyor

      Coal chain conveyor

      Bunkers dumper

      Dampers and valves

      Dampers with sealing air

      Air hoses and exhaust

      Heat exchange units

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