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The most remarkable properties of ceramics are..

The most remarkable properties of ceramics are

Aesthetics: modularity, surface treatment (gloss, matte, embossing, etc..

– Techniques: possible adjournment or mechanical anchors.

– Other: combustibility, resistance to aggressive chemicals, high abrasion resistance, water resistance.

We must also mention the significant technological advances in materials, fittings; installation systems (cement-based adhesives with specific additives to enhance the deformability, adhesion, and resistance to external agents), the parallel development of light facade installation with anchors seen and hidden, and the development of progressive training and Read the rest of this entry »


Quality requirements for installation of elements of frame-panel buildings

Section 01.Geodetic works in construction

– Surveying the work on site – general. Gauges and Instruments: Levels, Theodolites, zenith appliances, steel measuring tapes, tape measures, laser devices and svetodalnomery.

– List of surveying the construction site for installation of building structures.

– Geodetic control the quality of assembly of building structures.


Section 02.Methods and techniques for assembling building structures. Mounting connections

– Preparing for installation. Slinging. Rules of the rise and set designs.
– Mounting connections of reinforced concrete structures: joints of coarse-, large-panel buildings, compound wall panels, floors and surfaces, the joints of columns, girders and columns of connection.

– Combining the elements of the framework to the multi-storey buildings with beamless floors, roof structures and roof panels, mount wall concrete panels to the Read the rest of this entry »


The asphalt is one of the most commonly used to insulate and waterproof the terraces


Types of Asphalt for waterproofing fabrics

The asphalt is one of the most commonly used to insulate and waterproof the terraces, roofs and yards of our home of the conditions that may occur due to rain or moisture. So use this type of waterproofing or insulation to prevent leaks that endanger the health of its construction is very desirable.

Very easy to install if you follow minimal instruction and know how to choose the best option.

A good system for this function is the asphalt. It is a bituminous product oxiasfaltado and fiberglass. Presented in rolls down to a base that is the actual material in thicknesses of 3 and 4 m / m and a thin top layer can be aluminum, slate or Read the rest of this entry »


Capacity to enter into the pump wires and the wires themselves are often vulnerable to capillary moisture from the low negative pressure created inside the pump

Hasosy Tsurumi, Japan

Benefits of Japanese pumps Tsurumi

A – Absolute waterproof
Capacity to enter into the pump wires and the wires themselves are often vulnerable to capillary moisture from the low negative pressure created inside the pump. This can cause damage to the pump. Inputs of electrical wires and each wire individually to the pumps and aerators Tsurumi protected by special epoxy linings completely exclude even the capillary penetration of oisture.

B – Business continuity in the “dry” conditions!
Due to the bi-metallic sensor located above the motor and the pump power is interrupted if the voltage rises or begins to Read the rest of this entry »


Polyvinyl chloride (PVC). This type of linoleum is made up of: PVC, synthetic resin, used as a binder, plasticizers, fillers, stabilizers, pigments and dyes


Experts classify the linoleum on several parameters:
“To that used in the production of linoleum main raw materials;
“Presence or absence of base;
“Internal structure;
“Texture of the front surface;
“On the application.

Part used
Depending on the basic types of raw materials, modern industry produces four types of linoleum “PVC, rubber, and alkyd kolloksilinovy. The most popular among them was polyvinyl chloride linoleum.

Polyvinyl chloride (PVC). This type of linoleum is made up of: PVC, synthetic resin, used as a binder, plasticizers, fillers, stabilizers, pigments and dyes, solvents and various process additives (catalysts, blowing agents, anti-foam, fire retardants and antistatic agents). Additives are introduced to facilitate the processing of PVC, increasing the thermal stability of the processed blends of color and make linoleum special properties: electrical conductivity, high resistance to pollution, etc.

Alkyd. The main raw material for the production of this type of linoleum are natural plant oils (linseed, cottonseed, sunflower, hemp, soy). Disadvantages alkyd linoleum: increased fragility, susceptibility to Read the rest of this entry »


3G. Centrifugal pump before start-up must be completed by the pumped liquid

Fragment № 3G CENTRIFUGAL PUMP

A centrifugal pump is part of the dynamic hydraulic vane pumps (see Figure 2 fragment number 1G). In the centrifugal pump energy is imparted by the fluid dynamic effects on her shoulder blades rotating impeller.

The scheme of single-stage horizontal centrifugal pump with axial inlet and outlet spiral shown in Fig. 1. In the body of a pump shaft 2 located impeller vanes 3 with 4. Shoulders are usually fastened between two discs 5 and 6. On the suction side is connected to the housing suction tube 7, which connects to the inlet pipe. Discharge side housing has a spiral tap 8 (in some drainage pumps can be circular), ending pressure port 9, which connects the discharge pipe.


Fig. 1

Centrifugal pump before start-up must be completed by the pumped liquid. After starting the pump blades rotating impeller has a direct force on the particles of the fluid that fills the interscapulum. Under the action of centrifugal forces the liquid moves from the center to the periphery of the Read the rest of this entry »


The pumping system consists of two horizontal Single-stage units of type NB (working and reserve), suction and discharge manifolds


GRUNDFOS developed Russia’s first fire-fighting capacity of up to 300 m3 / h

The company has improved GRUNDFOS complete installation for fire extinguishing systems HYDRO MX. Expansion of range; installations by creating stations based on the Single-stage pumps NB increased the plant capacity factor of 6. According to specialists, the new analogues HYDRO MX in Russia to date, no.

HYDRO MX can be used in sprinkler systems and deluge of water and foam fire fighting, as well as in systems with hydrants. The pumping system consists of two horizontal Single-stage units of type NB (working and reserve), suction and discharge manifolds, control box, stop and control valves, control devices and automation. When assembling HYDRO MX uses components and parts, certified Federal Institute of Fire Prevention Emergency Situations Ministry.

“This product is fully focused on the Russian market, – says Roman Marihbeyn novelty, head of the Read the rest of this entry »


The use of this series can save up to 40% of operating costs.

Indicators Wilo Stratos GIGA exceeded all future requirements of new European regulations and directives on energy efficiency of electric motors.

Concern Wilo Se introduced a new high-efficiency pump Wilo-Stratos GIGA. Wilo-Stratos GIGA – is a completely new design group Wilo SE, the first pump motor is equipped with glanded EC with extremely low power consumption. This innovative product line perfectly complemented the energy pump “Wilo-Stratos”.

A new series of Stratos GIGA – designed for use in high-performance heating and cooling systems.

At the heart of the development of the pump “Wilo-Stratos GIGA” – is energy-efficient synchronous motor with a rotor of permanent magnets and technology, “Electronic Control”. Energy efficiency pump has a high motor efficiency, which, in conjunction with the new hydraulic system is 94% in engine power 4.5 kW. The energy efficiency of the pump exceeded all future requirements of new European regulations and Read the rest of this entry »


SP pumps in the performance of N (SST. 1.4401), and the performance of R (stainless. Steel 1.4539), which are supplied with engines MS6


Ground pump: Grundfos- SP pumps are equipped with new engines

C July 27 Grundfos SP pumps are equipped with other engines with similar parameters.

SP pumps as standard (stainless. 1.4301), which are supplied with engines MS6, will now be equipped with engines Franklin 6”(6 – inch), with similar parameters.

Please note that:
– Franklin Electric motors are not equipped with a temperature sensor Tempcon, which was mounted in MS6 temperature control unit with MP204. On request you can order the motor performance of Read the rest of this entry »


The fact that the product will expand and then going to occupy all available space

Knowing silicones, sealants and adhesives

Polyurethane foam

Can be supplied with the cylinder autoestrudente or with a special nozzle, the system most suitable for applications at the professional level. In both cases the product, reacting with atmospheric moisture will swell dramatically. Under optimal conditions, a 750 ml bottle is transformed into a mass of about 40 liters.

The fact that the product will expand and then going to occupy all available space, makes the polyurethane foam is shown to isolate from the standpoint of thermal noise, is to make an artifact of uneven surfaces (such as a door-frame or window on the rough wall).

The polyurethane foam is also available in two parts, to be provided with a normal caulking gun, the little cartridge provides a more dense product, which has a force more than double. Three points on each side are more than enough to secure the inner frame of a door, usually held in place by three screws on each side.

The product dries in 6 minutes, you can eliminate the surplus, the maximum holding is obtained after only 20 minutes.

Hill Assembly
From the pasty consistency, replace nails, screws, dowels. They are used for wall fixings, are used to permanently join the most diverse materials, providing an outlet very energetic. To get an optimal performance of this type of glue, it is important that the surface is clean, should increase the bonding surface to better distribute any stress.

The amount of adhesive and application method, depend on Read the rest of this entry »


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