Ball valves are a type of shut-off and control valves designed to shut off or regulate the flow of a working medium in various systems. The operation of such devices is based on the rotation of a steel ball that has a through hole for the passage of the medium. At Build Engineering you can purchase a Vexve ball valve for various purposes. The equipment manufactured by Vexve is made of the best materials and components in accordance with modern standards and can ensure reliable operation of the system.
Ball Valves
Vexve ball valves are used to open/close the coolant flow in a central heating system. This equipment has an all-welded design. The taps are made of high-strength materials, allowing them to be used for water of any quality. High-quality ball seal and special stem design with O-rings ensure high tightness. The compactness and light weight of the device make it easy to install.
Ball valves are characterized by low hydraulic resistance when the working medium passes through, which allows saving on pumping equipment. Due to their round shape they are easy to isolate. They are easy to use and require no maintenance. Vexve produces full bore and reduced bore valves with the following characteristics:
- nominal diameter: 10-800 mm;
- connection method: welding, threading, flange.
This equipment can also be equipped with an electric or pneumatic drive.
Extended stem valves
Valves with an extended stem are used to shut off the flow of the central heating system when installed underground. Vexve produces reduced size stainless steel ball valves with the following characteristics:
- nominal diameter: 25-800 mm;
- connection method: welding;
- rod length: 350 mm, 750 mm, 1000 mm, 1250 mm or to order;
- drive type: manual, hydraulic or electric.
The stem has a knock-out design with two O-rings. The ball and rod are made of stainless steel, which increases the reliability and service life of the equipment. This shut-off valve has low hydraulic resistance. The design of the device is completely sealed.
The ease of installation and operation of ball valves, along with their reliability, allows them to be used for stable operation of various engineering systems.
The Vexve online store offers a wide range of ball valves from a leading manufacturer of pipeline fittings from Finland. All products are tested in accordance with European standard EN488, have a sanitary and epidemiological certificate and all necessary permits (Permit of ROSTEKHNADZOR and GAZCERT). Vexve fittings are produced at our own factories in Finland, which guarantees their high reliability and quality. Our company is a representative of products in Russia, therefore, when ordering a shut-off steel ball valve from us, you receive a favorable price, genuine equipment and prompt delivery times.
Buying ball valves from Vexve is simple and profitable!
The ball shut-off valve is designed to shut off the flow of water, oil products, gas, etc. Vexve fittings are produced with full bore and partial bore sections with a diameter of 10 to 600 mm. From us you can buy ball valves presented in the catalog and price list with different types of connections: welded, threaded and flanged for installation in heating points (central, block and individual), boiler rooms, etc.
Factors determining the price of ball valves
Application area. The price of a steel shut-off ball valve depends on its area of application. The fittings used in residential buildings have a simpler design, so the cost of such products is low. Shut-off valves used in the chemical, gas and oil industries have a complex device for withstanding pressure, temperature, aggressive liquids, etc. This equipment is offered at a higher cost.
Manufacturer of shut-off valves and pipeline valves, the company Vexve Oy » (Finland) - is a world leader in the manufacture of steel ball valves for urban heat and water supply.
The plant was founded in 1960. Since the introduction of sealing materials such as fluoroplastic and synthetic rubbers into the valve industry, the company has achieved international recognition in Europe, Asia and America. New sealing materials have reduced the effort required to open/close the faucet and provide an ultra-tight seal for no leakage.
Walk-through taps " Vexwe" are produced all-welded method and are supplied to more than 20 countries around the world. The serial production of the manufacturer's plant exceeds 200,000 taps per year. For more than 40 years, the manufacturer has been the European market leader in this equipment segment. for heat and water.
Vexve's motto is " Quality".
Types of Vexve Oy fittings: shut-off, drain, regulating, protective and safety. The plant has a design, development department and a full cycle of robotic production all-welded ball valves and butterfly valves for heat, water and cold supply systems.
Reduced and full bore Vexve Oy ball valves are manufactured with flanged, coupling, pin, nozzle and welded (butt weld) connections. The manufacturer produces cranes with manual drive(gearbox), electric drive,hydraulic drive or pneumatic drive, as well as Wexwe fittings for low-pressure pipelines for media: natural gas, compressed air and oil products.
High-tech steel products from the manufacturer Vexve Oy for heat, water supply and heating, controlled by mechanical or manual drive, have achieved international recognition and are in great demand throughout Russia. The price list for products is located in the prices section.
Company " Vexve Valves"is engaged in the manufacture of Veksve shut-off valves, designed to shut off the flow of a working medium with a certain tightness. Ball valves and flap shut-off valves, is intended for central heating networks of houses, cottages, apartments, warehouses and factories.
VEXVE reduced ball valves are produced:
Series 100
Episode 101
Series 101 G
Episode 102
Episode 103
Episode 104
Episode 105
Features of product technical characteristics:
. All-welded steel body structure The Veksve pipeline valve is lightweight, and is also easy to install (for installation organizations) and thermally insulated after installation (large diameters).
. Teflon PTFE Seals- polytetrafluoroethylene, thermally stable. Operating temperature range: from -30 to +200 C (PTFE is a solid insoluble polymer used for coatings, gaskets, bearings, insulators) during production, the products are tightly pressed to the ball using disc springs, ensuring high tightness against leaks in small and small pressure differences (PN, Ru) in the pipeline system.
. Valve Ball and Rotary Stem manufactured stainless steel X5CrNi18-10 (1.4301) and EN X8CrNiS18-9 (1.4305) respectively.
Upper sealing ring the rod consists fluoroelastomer FPM(resistant to mineral acids, aliphatic and aromatic hydrocarbons, gasoline, oils and greases) and can be replaced without blocking the pipeline (pipe).
The Vexve crane has long service life, a manufacturer's warranty is provided.
. Wide range of connections to pipes: welded, threaded (threaded) or flanged (flanged).
Every Vexwe ball valve produced tested according to European quality standard EN488:2003
Products have certificates of conformity ISO 9001 and ISO 14001
Manufactured product range: reduced Vexve ball valves with linear movement of medium flow and Vexve full bore pipeline valves. The fittings are made of galvanized steel or stainless steel DN from 10 to 600 mm. Upon sale, a product passport, certificate and instructions (manual) for installation of devices are issued.
Unlike conical and cylindrical valves, pipeline products, Vexve shut-off devices, with a ball, are used for installation and installation in boiler rooms, TsTP(central heating points), BTP(block heating points), etc.
Another feature of the Vexve ball valve is that, unlike a tension valve, in which the plug is pressed against the surface of the body with a nut, and a stuffing box valve with a stuffing box cover through a packing, or a self-sealing valve under medium pressure, the Vexve ball valve is sealed, compact, tight class A, and the maintenance-free service life sometimes exceeds 15 years.
The peculiarity of the welded ends of the products is made in accordance with GOST and the European DIN standard, suitable for all standard sizes of pipes in accordance with GOST.
The controllability of this type of steel ball valves is carried out by a mechanical steering wheel, depending on the diameters from DN 300 are equipped with a gearbox with a worm gear for easier rotation of the ball in the crane. Upon request, the devices are equipped with AUMA electric drives.
The Teplosity company will offer you favorable prices and conditions for Vexve ball valves. We provide fast delivery to the site installation or storage area. Distinctive personalized service and professional consultations from the technical service department of the TeploCity company will facilitate the selection of the required range of cranes for certain characteristics of the delivery object.
Vexve ball valves- products of the Finnish company VEXVE OY, which today is one of the largest manufacturers of ball shut-off and control valves for pipelines. Due to the fact that the products of this company have proven themselves only from the best side, they are used not only in water supply and heating systems in the public utilities industry, but also in industrial energy networks, in the food, petrochemical, oil refining, and gas industries.
For almost fifty years, VEXVE OY has not only existed in the city of Vammala, but also successfully developed. During this time, the company has achieved great success: 200 thousand units of products are produced annually, which are exported to 20 countries around the world. Vexve ball valves represent the bulk of these products and are the pride of the company. On the territory of the Russian Federation, the company’s valves could be purchased 20 years ago. During this time, the company's engineers have improved Vexve ball valves, achieving the highest possible sealing and reliability. The range of products includes valves with the possibility of installation by welding, as well as with coupling and flange connections. Mostly the valves have a nominal diameter ranging from 15 to 500 mm, since this is the most popular pipeline fittings.
Features of Vexve ball valves
The all-welded design of the cranes provides a number of advantages. Firstly, protection against leaks is significantly increased, since the housing is a monolithic part in which the connection between individual elements occurs at the physical and chemical level, and not mechanically. Secondly, due to the absence of fasteners, the weight of the reinforcement is reduced. Well, among other things, Vexve all-welded ball valves are more reliable than prefabricated ones in terms of protection against corrosion, coking by efflorescence and dirt. Stainless steel, which is the material for the production of these cranes, resists corrosion, and at the same time has high fatigue strength, resistance to water hammer and temperature deformation. Not only the valve body, but also the valve stem and ball are made of stainless steel, unlike many other brands, where these structural parts are made from copper alloys.
The valves use seals made of polytetrafluoroethylene (PTFE). People also call them Teflon seals, and in industry they are called fluoroplastic seals. These seals are able to withstand temperatures ranging from -269 to +260 °C. Moreover, fluoroplastic seals are resistant to many aggressive chemicals such as alkalis, acids, solvents and oxidizing agents. Such sealing elements are tightly pressed against the ball using disk-type springs, thereby ensuring sealing at both small and large pressure differences. The upper sealing ring can be replaced without blocking the flow of the medium, which significantly reduces repair time.
Product testing is carried out in production in accordance with the European quality standard EN488:2003. In addition, all fittings produced by the company have ISO 9001 and ISO 14001 certificates. Product certification is carried out by the international agency Det Norske Veritas. Of course, to be able to be sold in Russia, Vexve ball valves have certificates of compliance with domestic standards and sanitary and hygienic conclusions, permission from the State Technical Supervision Authority of the Russian Federation.
About Vexve OYThe Finnish company Vexve OY specializes in the development and production of shut-off ball valves and control ball valves. Such products are used in pipelines for industrial heat and power and central heating systems, gas distribution networks and other production pipelines in the food, oil and gas, chemical and other industrial sectors.
The main products of the organization are ball shut-off valves, the diameter of which is DN 15-500 mm. We also produce control valves for balancing and throttling, and ball control valves for constant regulation of pressure drop and fluid flow. All types of ball valves are manufactured both standard and full bore. The highest operating pressure is 1.6, 2.5 and 4.0 MPa, the operating temperature range is from -30 to +200 degrees.
Have the following parameters:
The design of the valve body is all-welded, due to which the product is lightweight and available for quick insulation.
The PTEE Teflon seals are preloaded with disc springs to ensure a completely sealed ball for a variety of applications.
The material for the production of the rod and ball is stainless steel.
The rod design is unbreakable and has two O-ring seals. The O-ring located on top can be replaced.
Long lifespan.
Supplied on flanges, with threaded connections and in welded versions.
ISO 9001 certificate.
The products have been tested in accordance with the requirements of the EN 488 standard.
| Dn, mm | Article number (for welding) | Price, euro | Article number (flange) | Price,Euro |
|
100010 |
|
|
||
|
100015 |
103015 | |||
|
100020 |
103020 | |||
|
100025 |
103025 | |||
|
100032 |
103032 | |||
|
100040 |
103040 | |||
|
100050 |
103050 | |||
|
100065 |
103065 | |||
|
100080 |
103080 | |||
|
100100 |
103100 | |||
|
100125 |
103125 | |||
|
100150 |
103150 |
- the body design is all-welded, making the faucet lightweight and amenable to insulation;
- the non-knockout rod design has two O-ring seals, the outer sealing ring can be replaced;
- long term of use;
- sold in flanged and welded versions.
ISO 9001 certificate.
Ball valves Vexvemade of stainless steel.
Have the following parameters:
- the all-welded design of the body makes the crane lightweight and easy to insulate;
- Teflon PTFE seals are pressed by springs, which creates perfect tightness of the ball for various types of uses;
- the material for the structures is stainless steel;
- long term of use;
- sold in versions with threaded connections, flanges and welding;
- full bore version available;
ISO 9001 certificate.
Stainless steel control valves Vexve
Have the following characteristics:
- the rod and ball are made of stainless steel;
- the rod design is non-knockout and has two O-ring seals, the outer sealing ring is replaceable;
- long term of use;
- delivery is made with flange connection and welding;
- ISO 9001 certificate.
Vexve ball valves for special purposes
- the body design is all-welded, which makes the faucet light and easy to insulate;
- Teflon seals are pressed by springs and create perfect tightness of the ball for versatile use;
- the material for the production of the rod and ball is stainless steel;
- the non-knockout design at the stem has two O-ring seals, the sealing ring located on top is replaceable;
- long term of use;
- supplied on flanges, with threaded connections and welded versions;
- there can also be a full bore version with an extended rod;
- ISO 9001 certificate.
Function of vexve ball valves
Wexve steel ball valves are designed for use as shut-off valves for cooling and central heating systems, including in oil product and compressed air pipelines. Wexve ball valves are available in the following varieties: flanged, welded, with threaded coupling fasteners and a combined connection.Upon individual order, they are equipped with manual gear drives, servo, pneumatic and electric drives. Specially upon request for heating systems, valves are produced that have an extended spindle to bring the valve control element to a specified ground surface or height. Vexve ball valves, which have an elongated stem, are made with cast thermal insulation and can be used in pipelines of heating networks and gas pipelines with ductless pipes in polyurethane foam insulation. In water supply systems, industrial facilities and thermal energy, high demands are now placed on the operational reliability of devices and materials. Therefore, based on regulatory requirements and requirements for operational reliability, the use of fittings made of non-ferrous metals, as well as ball fittings with coupling attachment to pipes, is limited. In pipelines with a diameter of more than 5 cm, operating in large pressure and temperature ranges, it is not advisable to use fittings made of non-ferrous metals. This is due to the fact that the strength indicators of the body of threaded fasteners for fittings made of non-ferrous metals are much lower compared to welded and flanged fittings made of steel and cast iron. But cast iron fittings are also subject to regulatory restrictions. Because of this, steel fittings for pipes are the main type used at thermal power facilities (central heating stations, combined heat and power plants, heating networks, boiler houses, heating units) and in industry, including petroleum product pipelines and water supply networks, food and chemical industries.
vexve ball valves have the following advantages and features:
- through an all-welded steel structure (fittings and body are welded together, steel DIN St /37.0/37.8), the device has a low weight and light insulation;
- the ball and rod are made of stainless steel, ground and polished (rod - AISI 303, ball - AISI 304). This makes the faucet easy and reliable to use and reliable for a long time;
- Teflon seals (Teflon PTFE) pressed by disc springs (resistant to wear, contamination and chemicals) make the ball completely sealed for various uses, with high or low pressure surges;
- the design of the Veksve valve stem is non-knockout and has two O-ring seals made of FPM;
- the sealing outer ring is replaceable, and in models DN 65-300 mm both seals can be replaced;
- a Teflon PTFE sealing sleeve located between the stem body and the stem acts like a sealing surface. From the DN 65 modification, the crane spindles are equipped with a stainless steel bearing sleeve;
- for DN 150-300 it is advisable to use a manual gearbox;
- the faucet handle is removable; for modification DN 10-150 it is made of galvanized steel, for DN 200-250 it is made of painted carbon steel. DN 300 does not have a handle.
Advantages of using and installing VEXVE cranes
The use of VEXVE fittings significantly simplifies the work of builders and installers and increases their productivity:
- they have a long service life;
- due to their special design, Vexve taps do not require maintenance, they do not need to be lubricated or tightened;
- quickly installed, with virtually no operating costs;
- the faucet handle can be removed or rearranged 180 degrees, the drive mechanism can be easily mounted even after installing the fittings;
- small installation parameters, an elongated spindle, together with the round external shape of the fittings make insulation work cheap and not difficult.
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