Industrial rubber products

Fan belts are intended for transmission of movement from motor shaft to units of automobiles, tractors and combines.

They are intended for transmission of movement from motor shaft to auxiliary units. They operate at the temperature t° from -40°С up to +60°С.

Depending on applied materials, fan belts can be manufactured in two classes: 1-with polyamide cord, 2-with polyester cord.

Traction Layer (rubber layer)
Elastic layer (rubber).
Support layer (cord for belts of cord construction ).
Support layer (fabric carcass for belts with fabric-cord construction).
Compression layer (consists of rubber).
Wrapping.

Operability temperature range in the environment of ambient air (outside engine compartment): in climate, from -50С up to +60С if the engine would be previously heated before the start, at the temperature below minus 30С, while the temperature under the bonnet in the area of the belt must be less than 80С. For areas with cold and very cold climate from +40С up to -60С.

Depending on ratio of width and height , fan belts are produced of two types:: I — narrow sectional , II — normal sectional.

Fan belts consist of supporting layer on the basis of cords, made of chemical fabric, rubber and wrapping fabric.

11 — estimated belt width (mm);
10 — section height of the belt (mm);
1500 — estimated belt length (mm);
bp — estimated belt width, mm (cross-sectional width of the belt which is under tension at a neutral line);
b0 — width of the larger base of the belt, mm;
h — height of the belt, mm;
a —wedge angle of the belt, equal to 40°.

They are used as flexible pipelines for supplying liquids, saturated steam, gases and bulk materials under pressure. Rubber hoses are formed from the inner rubber layer, one or more layers of the textile skeleton and the outer rubber layer.

Divided into 8 classes:
B (I) class – gasoline, kerosene, mineral oil. Efficient at temperature from -35 C to +70 C.
V (II) class – technical water, solutions of inorganic acids and alkalis. Efficient at temperature up to +50 C.
(IV) class G – air, carbon dioxide, nitrogen and other inert gases. Efficient at temperature from -35 C to +50 C.
P (VII) class – food (alcohol, wine, milk, drinking water). Efficient at temperature up to +50 C.
SH (VIII) class – abrasive materials. Efficient at temperature from -35 C to +50 C.
Steam-1 (X), Steam-2(X) classes – saturated steam. Efficient at temperature +143 C/ 175 C.

Example of reference designation for ordering
(I) hose B – 0,63 – 50 – 64 by GOST 18698-79 or TU 38-605157-90, where:
B (I) – class;
0,63 – operating pressure (MPa);
50 – inner diameter (mm);
64 – outer diameter (mm)

They are used as flexible pipelines for supplying liquids, saturated steam, gases and bulk materials under pressure. Rubber hoses are formed from the inner rubber layer, one or more layers of the textile skeleton and the outer rubber layer.

Symbol:
Rubber hose 20×30-1,6 GOST 10362-76, where:
20 — inner diameter (mm);
30 — outer diameter (mm);
1,6 — working pressure (MPa).

Rubber hoses with thread reinforcement are used for pumping liquefied petroleum gases and used for loading of liquefied hydrocarbon gases (propane, butane, pectin, isobutane, isopentane) in tank wagons, pumping propane, butane, isobutane, isopentane and pentane.

Braided hoses are used as flexible pipelines for filling liquid ammonia in the tank of refuellers, for connecting the gas cavities of the tanks of the refueller and the unit with a vapor-return method of filling and supplying liquid ammonia from the pump to the working parts of the unit. Operating temperature from -40 to +50C.

Pressure rubber hoses with thread carcass and long-length consist of inner rubber layer, thread braid and outer rubber layer. They are applied as flexible connecting pipelines for supply of fluids, gases and bulk materials under pressure.

VG type — hot water, working capacity from -35°C to +100°C.

Hose 16 VG–1.0 TU 38 105 998–91, where:
16 — inner diameter (mm);
VG — hose type (for hot water);
1.0 — operating pressure (MPa).

Pressure-suction hoses GOST 5398-76 with a textile skeleton are used for suction and injection of various liquids, fuels, oil-based oils and gases. The suction hose is formed of several layers: the inner rubber, one or more layers of the textile skeleton and the outer rubber. The pressure hose is formed of several layers: the inner rubber, one or more layers of the textile skeleton and the outer rubber. The product is manufactured in two versions: smooth and corrugated.

Pressure-suction hoses are of two types: smooth and corrugated.

I – suction hose (pressure parameters: vacuum – 0,08 MPa (0,8 athm))
II – pumping suction hose (pressure parameters: vacuum — 0,08 MPa (0,athm), head — 0,3; 0,5 and 1,0 MPa (3; 5; and 1,0 athm)).

Example of a symbol:

G – class (gasoline, kerosene, fuel, oil-based oils);
2 – group (for example, pressure-suction hoses);
25 – inner diameter (mm);
10 – working pressure (kgs/cm2).

Hoses of all classes of I group shall be tight at hydraulic pressure equal to:
0.3 MPa (3 kgf/cm2) – for hoses with an internal diameter of up to 75 mm;
0.2 MPa (2 kgf/cm2) – for hoses with an internal diameter of more than 75 mm
Hoses of B, V, P, KSCH classes shall have not less than threefold safety factor (3P) at break hydraulic pressure.

The product is used to supply pressurized gases, liquid fuels, oxygen to devices for gas welding and metal cutting.

I class – for the supply of acetylene, urban gas, propane, butane at a pressure of 0.63 MPa;
II class – for the supply of liquid fuels: gasoline, kerosene or mixtures thereof at a pressure of 0.63 MPa;
III class – for the supply of oxygen at a pressure of 2.0 MPa.

from -35°С up to +70°С – for moderate and tropical climate
from -55°С up to +70°С – for cold climate.
Margin oxygen hoses: not less than 3P.

EXAMPLE OF REFERENCE DESIGNATION FOR ORDERING

I – class;

12 – inner diameter (mm);
0,63 – operating pressure (MPa).

High-pressure hose GOST 6286-73 is an analogue of foreign hoses according to specifications EN 853 1ST (SAE 100 R1A, ISO 1436-1, 1ST/R1A) and EN 853 2ST (SAE 100 R2A, ISO 1436-1, 2ST/R2A).

Hoses manufactured in accordance with GOST 6286-73 or DIN EN 853 standard are used as flexible pipelines in hydraulic systems of agricultural machines, hydraulic drives of construction, road and municipal machines for high-pressure supply of hydraulic fluids according to ISO 6743, gasoline, kerosene, oil-based oils, oil and water emulsions, emulsion, soluble and mineral oils in the temperature range from -40°C to +100°C; liquids containing water in the temperature range from -40°C to +70°C; +70°C.

Hose groups: A, B, V, Z.
A group - with the use of a wire with a breaking force not less than 15,0 kg.
B group – with the use of wire with a breaking force not less than 17.5 kg.
Z, V groups – wire brass plated surface with a breaking force not less than 20.0 kg.
Safety margin of tensile strength by hydraulic pressure: 3Р – for hoses of groups А and B ;4Р – for hoses of group Z.

BARVENT IMPEX LLc offers a wide range of imported technical plates. Parts for sealing fixed joints, complete elimination of friction between metal surfaces are produced from them, to protect against damping dynamic effects, to protect against electrical influences. Used as gaskets and floorings, to absorb single shock loads in machines and assemblies, in various industries.

Technical plates are produced in a large range of sizes, cutting, gluing, covering with an adhesive layer of one or both sides of the technical plate, depending on the need and requirements of the technological process

Hardness;
Density;
Temperature regime;
Conditional tensile strength (MPa, at least);
Elongation on failure (%, at least);
Absolute deformation undercompression;
Aging resistance at an open air;
Ozone resistance
;
Oil – resisting properties
;
Chemical resistance;
Erasibility
;
Resistance to UV radiation.

Cellular molded sheet 1015;
HCAAR molded sheet SBR 16535;
HCAAR molded sheet with adhesive coat SBR 76515 with ply.

Butyl molded sheet 56042;
Cellular rubber EPDM/CR 6230;
Cellular molded sheet 2015;
Hypalon molded sheet Hypalon 46048;
Molded sheet CR 25035 Chloroprene rubber;
Molded sheet CR 26034 Chloroprene rubber;
Molded sheet CR 27050 Chloroprene rubber;
Molded sheet EPDM 66020.

Wear-resistant molded sheet 16018;
Hypalon molded sheet Hypalon 46048;
Grey double resin molded sheet 14020;
Double resin molded sheet 14010.

Acrylonitirle butadiene molded sheet 36044;
Acrylonitirle butadiene oil-resistant molded sheet NBR 34035;
Acrylonitirle butadiene oil-resistant molded sheet NBR 34630;
Acrylonitirle butadiene oil-resistant molded sheet NBR 36535.

Butyl molded sheet 56042;
Red cellular silicon 86017;
Cellular silicon 8630;
Cellular silicon TR 86015;
Molded sheet VITON, Viton 97519;
Hypalon molded sheet, Hypalon 46048.

Acrylonitirle butadiene molded sheet 36044;
White resin molded sheet FDA 16063.

SBR — technical rubber for general purposes ;
NBR — rubber, resistant to oils and petroleum products;
NR — technical rubber for contact with edible products;
EPDM — rubber, resistant to impact of oxygen, ozone and high temperatures;
CR — rubber, resistant to impact of acids, alkaline and atmospheric impacts.

Molded sheets SBR and NBR — is the analog of domestically produced sheets HCAAR-S and OPR-S, produced in accordance with GOST ГОСТ 7338-90, are demanded by consumers of engineering industry and road services. They are used for manufacturing of rubber products, applied for sealing of fixed joints, prevention of friction between metallic surfaces, as gaskets and coatings for perception of isolated impact loads. They are also used as damping elements (baffle plates, rubber bumpers and etc. ) for isolation of vibrations from industrial equipment, for utility facilities, as sealing elements for sewerage and water supply equipment . SBR sheets are also applied in road snow-removal equipment. Degree of hardness 65+5 point by Shor A scale, is conforming intermediate value of hardness degree (by GOST 7338-90 the average hardness degree is 50-65 by Shor A scale, hard — 65-85 points by Shor A scale), which have a positive influence on rubber wear during the period of exploitation at road equipment. Application of SBR and NBR molded sheets as gasket and cover material, also yield excellent results. Sizes of sheets and quality characteristics are presented in tables below. Color of sheets – black, surface – smooth, borders – even, can have one or several intermediate fabric layers.

Molded sheets EPDM — are the analog of domestically produced OPR-S, produced in accordance with GOST 7338-90, but with better cold and weather-resistant characteristics. They have good chemical and age resistance . Especially they are suitable for outdoor application and application in sea water. Operating range of temperatures is from— 40°С up to + 140°С. Color of sheets— black, surface — smooth, borders – even, can have one or several intermediate fabric layers.

Molded sheets NR — are the analog of domestically food sheets produced in accordance with GOST 17133-83. They are intended for sealing of static connections and another elements in contact with foodstuff: fruits, vegetables, fruit and vegetable juices, purees and canned food, beer, wine materials, yeast cream, mushrooms, drinking water, gas water, mineral water, kvas, sugar syrups, milk and other products. Operating temperature from — 40°С to + 100°С. Hardness degree 60+5 points by Shor A scale (conform average degree by Shor A) Color of sheets — pale-yellow, surface — smooth, can be with one or two intermediate fabric layers.

Molded sheets СR — are the analog of domestically manufactured sheets АМS-S, produced in accordance with GOST ГОСТ 7338-90. Resistant to impact of alkaline, acids, weather conditions and ageing. Operating temperature from — 10°С up to + 70°С. Color of sheets — black, surface — smooth, cane be with one or two intermediate fabric layers.

Various floor coverings are used for decoration of accommodation rooms, offices, hotels, production premises, sport halls and etc. Floor covering is chosen on the basis of functional intention of the premises, where it would be applied.
Floor coverings for production premises should satisfy the following requirements :
wear hardness;
resistance to loads;
resistance to harmful impacts.
It is necessary to determine which agents would be in contact with floor, which humidity is in premises, which power loads would impact the floor covering.

They include:
— rubber-based carpeting;
— carpet flooring of crumb rubber.
Rubber-based carpet flooring is used for commercial purposes.

Floor covering on the basis of crumb rubber can be of two types:
– In the form of tiles;

– In the form of a roll.
At its manufacture is used crumb rubber of about 1.5 -5 mm, and polyurethane as binding composition. Sometimes into the mixture is added synthetic rubber EPDM.

Rubber floor coating in rolls has a number of advantages:
high wear hardness;
waterproof;
sound absorption;
anti-vibration properties;
anti-slip properties;
resistance to aggressive environments.
Covering of rubber is widely used for equipment of child and sports grounds, for loor covering in garage. Thickness of the roll varies from 4 mm to 40 mm. Roll width is of 1.2 meters.

The main problem of garages is dust and dampness. Good flooring in garage helps to protect your car form it harmful effects. Cement floor generate humidity in premises and has such unpleasant property as dusting. Moreover it is quite uneven. To remedy these shortcomings there is usually made liquid polymer floor or applied a variety of floor coverings. Garage flooring covering should has high resistance to aggressive media – gasoline, acid, oil, etc., to mechanical damage, have a long service life, repel moisture and be fireproof. It is easy to care for rubber floor covering. It is easy to clean with a water jet from a hose, even without the use of detergents.

If the floor, made of segments, would be damaged, it is enough to replace only one damaged element. However, if there would be damaged the floor made of materials in form of rolls, it would be necessary to replace the whole roll.
Previously such coverings were made of synthetic rubber. Modern rubber garage floor, which is manufactured from rubber crumbs, has higher wear hardness and lower cost. This is why rubber floor coverings in rolls are the optimal material for floor covering in garage.

We offer rubber floor coverings for different purposes.

Rubber coverings for sports grounds (open air, indoors) , stadiums.

Rubber floor coverings for children grounds.

Rubber floor coverings for livestock breeding (livestock mates).
Rubber floor covering in rolls “Elochka”, “Pyatachok”.
Grooved rubber track.
Antisplash rugs.

Strength, durability.
Simplicity of laying and maintenance.
Rubber covering looks beautiful and original .
Non-slip surface.
Good dampening properties of sports rubber covering.
Rubber coverings for sports and children grounds is injury-safe.

It doesn’t have joints and seams.

Good sound absorbing properties.

Wouldn’t be damaged by fallen cigarette. Rubber covering is resistant to effects of petrol, engine oil, detergents.
Easily washed by a jet of plain water.
Rubber covering is antistatic.
It does not absorb odors.
Rubber covering is resistant to animal secretions.
Ecologically safe.

Thickness –3,0 mm;
Width – 1000-1500 mm.
Weight 1 m²
of the covering: 3,0 mm — 3,5 – 4 kr.
There are approximately 10-20 running meters in one roll .
Rubber covering in rolls is resistant to: petroleum, engine oil, dissolvents, diluted acids, alkaline.

Rubber covering in rolls is applied as floor covering in interiors of various transport, including buses, trolleybuses, trams. It can be used in public places: waiting rooms, on the platforms, shopping centers, cafes, airports, railway stations, on ships, at the entrances to buildings, stairways, hallways, etc. Rubber covering in rolls can be used as industrial rubber covering, as a rubber covering for a garage. It is used as a rubber covering for livestock.

Rubber covering in rolls should be stored in closed premises in conditions, excluding deformation and damages, at the temperature from -15 С up to +35 С. It is admissible to store rubber covering at the temperature below -25С in the case if that deformation and shock loads are excluded.

Molded sheets SBR and NBR — is the analog of domestically produced sheets HCAAR-S and OPR-S, produced in accordance with GOST ГОСТ 7338-90 and, accordingly, has good reviews of consumers of engineering industry and road services. Large and smooth cutting of the sheet allows to use it for the manufacturing of huge range of products. Wide temperature range from -30 up to +70С allows to use the sheets in various weather conditions.
They are used for manufacturing of rubber products, applied for sealing of static joints, prevention of friction between metallic surfaces, for perception of isolated impact loads, and also as gaskets and coatings. They are also used as damping elements (baffle plates, rubber bumpers and etc. ) for isolation of vibrations from industrial equipment, for utility facilities, as sealing elements (gaskets) for sewerage and water supply equipment
SBR molded sheets have shown good results at exploitation in road and snow-removal equipment. Convenient pattern cutting of SBR sheet 1000х1000 mm for thickness 40 or 50 mm, allows to cut the necessary size 1000*250 mm and get 4 cuttings without cutting losses from one sheet. Degree of hardness 65+5 point by Shor A scale, is conforming intermediate value of hardness degree (by GOST 7338-90 the average hardness degree is 50-65 by Shor A scale, hard — 65-85 points by Shor A scale), which have a positive influence on rubber wear during the period of exploitation at road equipment. Application of SBR and NBR molded sheets as gasket and cover material, also yield excellent results. Sizes of sheets and quality characteristics are presented in tables below.
Color of the sheet — black, surface — smooth, borders – even.

Modern industrial organizations strive for full automation and optimization of technological processes. A large and very important role in solving this issue is played by conveyor belts.

Conveyor belt is widely used in the food, mining and woodworking industries, as well as printing. With the help of a conveyor belt, it is possible to move solid, loose and lump objects that need to be moved from one section of the shop to another, or to pass through the next stages of the production cycle.

The width of the conveyor belt, indicated in millimeters. The degree of strength depends on the number of layers of fabric (the more layers, the higher the strength of the belt). Often the thickness of the belt is indicated in millimeters, given that the thickness of 1 fabric spacer is about 1 mm. The upper and lower surface of the conveyor belt has a rubber layer — cover. The cover can be both working and non-working side of the belt and have a different thickness.

THE FIGURE SHOWS THE DESIGN OF THE CONVEYOR BELT:

Type of fabric in spacers determine the strength of the conveyor belt.
BKNL-65 fabric — polyester/cotton, rated tensile strength of traction spacer 55 N/mm.
TK-100 fabric — synthetic, rated tensile strength of the traction spacer 100 N/mm

Example of reference designation: TK-100-650-6-5-12 GOST 20-85.
TK – type of carcass fabrics;
100 – load at 1 m2, kg;
650 – belt width, mm;
6 – thickness of the working cover, mm;
5 – number of spacers;
12 – total belt thickness, mm;

Conveyor belts are produced:
width from 100 to 1600 mm;
length up to 200 meters;
thickness from 5 to 30 mm.

Depending on the operating conditions and purpose, three types of conveyor belt are available:
for heavy operating conditions;
for medium operating conditions;
for easy operating conditions.