Mining Valves And Dampers - Polandprice: contact company for price
Temperature of medium up to 550 °C
Sealing up to 99, 9%
Pressure up to 6 kPa
- 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
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
- Posted By: Martech Plus
- Phone: 48323242327
- Address: ul. Górnicza 33, Łaziska Górne, Poland
- Website: http://www.martechplus.pl
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:
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.
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
Dampers and valves
Dampers with sealing air
Air hoses and exhaust
Heat exchange units
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