Industrial Wastewater are originating from various industrial activities, these effluents carry contaminants specific to each industry. An effective treatment is vital to eliminate the pollutant load within these industrial wastewater streams. The challenge lies in achieving safe, responsible, and environmentally sustainable discharge or reuse.
To meet the growing demand for innovative and sustainable solutions in wastewater treatment, in May 2023 we acquired the company LiberAqua. Since then, our portfolio of services and products has grown considerably.
Check out the main product highlights in this sector:
DAF: DISSOLVED AIR FLOTATION SYSTEMS
Physical-chemical treatment. Solid-liquid separation. Sludge thickening. They operate counter-currently, i.e. they discharge the floated sludge on the same side as the inlet of the wastewater or sludge to be thickened, minimising the dragging of solids along with the treated water.
A sewage sludge dewatering machine that can also perform the mechanical thickening function. It combines in a single piece of equipment an initial zone with greater spacing between the filter discs, facilitating the drainage of free water and therefore thickening the sludge, and a second zone in which the spacing between discs is smaller and the pressure becomes gradually greater, promoting the reduction of the amount of interstitial water and consequently increasing the dehydration of the sludge.
The Rotary Disc Thickener (KSS) is a solid-liquid separation machine that can operate with sieving, thickening and dewatering functions. It is a self-cleaning machine due to the continuous and synchronised rotation of special oval discs between the slots in the stainless steel grid.
These solutions reflect our company’s commitment to innovation and excellence in water and wastewater treatment. To find out more about our integrated solutions for wastewater management and treatment, visit our website or contact us:
A chemical dosing skid is a self-contained unit used in industrial processes to precisely inject chemicals into a system. It consists of various components and instruments that work together to ensure the controlled supply of chemicals in a safe and efficient manner.
KLINGER Portugal presents it as a compact unit, which is supplied fully assembled, all that is needed is to anchor the unit and make the hydraulic and electrical connections. The design of the DOSAPACK PD unit includes all the necessary elements, positioned appropriately to guarantee the optimization of dosing processes.
HOW DOES IT WORK?
A dosing skid works by precisely delivering a predetermined amount of chemical into a larger industrial process. Here’s how a typical dosing skid works:
Storage and preparation of the chemical: The dosing skid is connected to a reservoir or tank where the chemical to be dosed is stored. Before starting the dosing process, the chemical is prepared if necessary and its properties checked.
Starting the dosing process: The dosing process is started manually or via an automated control system. The operator can set parameters such as the desired flow rate, the total volume to be dosed or any specific timing or sequencing requirements.
Flow control: The dosing skid pumps are suitable for creating a controlled flow of chemical. The flow rate is carefully adjusted based on the quantity required and the characteristics of the chemical being dosed.
Feedback and control circuit: The control system is very usually based on measuring the flow rate using a flow meter in the main line and dosing the chemical to be dosed proportionally to the flow rate. If the flow rate in the main line changes, the system adjusts the amount of product dosed by the dosing skid pumps.
Monitoring and safety: Throughout the dosing process, various sensors and components can monitor parameters such as pressure, temperature, the presence of fluid, etc. For system safety, pressure relief valves and leak detection systems are used, among others.
Completion and reporting: When the process is finished, the control system can generate process records or reports, which can be used for process analysis and for operation and maintenance control.
Maintenance and calibration: Regular maintenance and calibration of dosing system components is crucial to ensure accurate and reliable dosing. This includes checking the accuracy of flow meters, calibrating pumps and checking the functionality of safety components.
In conclusion, a dosing skid works through a combination of pumps, flow meters, control systems and safety features to deliver chemicals accurately and safely in an industrial process. The process is automated and closely monitored to ensure that the desired dosage is achieved while maintaining the safety and efficiency of the process.
KEY COMPONENTS:
APPLICATIONS:
Many companies in various sectors use dosing skids as part of their industrial processes. Some sectors where dosing skids are commonly used:
Water treatment: Municipal water treatment plants and industrial facilities use dosing skids to add chemicals such as coagulants, flocculants, disinfectants and pH regulators to ensure the quality and safety of treated water.
Chemical production: Chemical production plants use dosing skids to precisely mix and combine raw materials, as well as to dose catalysts, inhibitors and other additives.
Pharmaceutical products: In the manufacture of pharmaceutical products, dosing skids are used to precisely add active pharmaceutical ingredients, excipients and other components in the production of medicines and pharmaceutical products.
Food and drink: The food and beverage industry uses dosing systems to add flavorings, colorings, preservatives and other ingredients to achieve consistent flavors and product quality.
Oil and gas: Dosing skids are used in oil and gas processing to inject chemicals for corrosion inhibition, scale control and other treatments to improve the efficiency and safety of operations.
Pulp and paper: In the pulp and paper industry, dosing skids are used to add chemical products such as bleaching agents and bonding agents to pulp and paper production.
Wastewater treatment: Industrial and municipal facilities use Dosing Skids for wastewater treatment, adding chemicals that help remove contaminants, adjust pH levels and promote effective treatment processes.
Mining: The mining industry uses dosing systems to add chemicals for ore processing, water treatment and environmental management.
Textiles: The textile industries use dosing systems to apply dyes and other chemicals to fabrics and materials.
Automotive sector: Car factories use dosing skids to add fluids such as coolant, lubricants and cleaning agents during production processes.
These are just a few examples and the use of dosing skids extends to many other sectors where precise and controlled dosing of chemical products is essential to achieve the specific objectives of each process.
Discover lined valves: high resistance to corrosion, abrasion, erosion or other damage.
Coated valves are very important equipment in applications with highly corrosive fluids that cannot come into contact with the material of construction of the valve bodies. The coating gives these valves protection against corrosion, abrasion, erosion or other damage caused by the fluids passing through them. In addition to protection against corrosion and physical damage, coated valves can also have additional benefits such as reduced friction, improved flow efficiency, a high degree of sealing and longer valve life.
The coating applied to valves can be made of different materials, such as thermoplastic polymers (like PTFE), thermosetting polymers, rubber, noble metals (like titanium), glass or ceramics. These coatings provide a layer of protection to the valve, thus making it more resistant to aggressive chemicals, high temperatures, high pressures and other harsh environments.
Coated valves are widely used in industries where chemical resistance and durability are preferred factors, such as chemical, petrochemical, food, pulp and paper, pharmaceutical, and mining industries. These industries utilise these highly reliable and durable valves to ensure safety and efficiency in their processes.
There are different types of lined valves available and the choice of type depends on the specific needs of each application. Some of the types of lined valves are:
The Lined Ball Valve KHD-LB | LBTB with PFA lining is suitable for high corrosive media in chemical industry such as sulfuric acid, hydrochloric acid, caustics, pharmaceutical applications, and semicondoctor applications with ultra-pure water. Due to its design nature, lined ball valves can also be used in vacuum applications. With these features, lined ball valves exhibit replacement to special-alloy valves in high corrosive applications. In general, soft seats are made of thermoplastic materials such as PTFE. They are ideal for applications where chemical compatibility is important and where the tightest possible seal is essential. However, soft seats are not recommended for dirty or abrasive process fluids. Soft seats can break under these conditions, causing leaks in the valve.
LINED BALL VALVE KHY-LB | LBTB | LB3W
KLINGER Lined Ball Valve KHY series with lockable handle for chemically demanding applications such as chlorine dioxides and acids used in e.g. pulp bleeching processes. Ball Valves are with FEP lining and seats, fullbore, 2 or 3 piece design, with flanges.
LINED BUTTERFLY VALVE KKY-L81 | 81HP
KLINGER Lined Butterfly Valve KKY for chemically demanding applications such as chlorine dioxides and acids used in e.g. pulp bleeching processes. Butterfly valves can be used as control or shut-off valve. Fitted with handle or with manual gear. Valves are with PTFE lining and to be installed between flanges.
LINED PLUG VALVE KPY-LPV | LPV3W
The Lined Plug Valve KPY-LPV | LPV3W features a robust construction with body materials made from ASTM CF8M, CF8, and WCB. Its size range covers DN 15 to 250 and NPS 1/2″ to 10″, making it suitable for various industrial applications. The pressure rating of this product can reach PN10 and PN16 for flanged end connections, while CL150 and CL300 options are also available. The end connection is flanged, ensuring a secure and reliable attachment to other components. In addition, the lining material used for this product is PFA, FEP, and PO, which provides excellent chemical resistance and durability, making it ideal for use in harsh environments.
LINED CHECK VALVE KRY
KLINGER Lined Check Valve KRY for chemically demanding applications as chlorine dioxides and acids used in e.g. pulp bleeching processes. Check valves are with FEP lining and seats, with flanges.
A TYPE LINED DIAPHRAGM VALVE
A Type Lined Diaphragm Valve is versatile and extensively used in industrial applications. Can handle up to 15% solids (depending on process conditions). Perfect valve for on/off or control applications on corrosive processes.
To find out more about our Lined Valves, please visit our Lined Valves page and download our catalogue, or talk to our Sales Manager:
know more about Megaroyal Process Pump, leak-proof and designed for the most critical industrial processing needs
Powerful and reliable, Milton Roy’s Megaroyal process pump is designed for high volume chemical injection and transfer, with a 100hp (75kw) motor. With leak-proof performance in even the most critical industrial process environments, it is ideal for industries requiring “zero leakage” and precise control of process-critical liquids.
APPLICATIONS AND SPECIFICATIONS
The right solution for a wide range of industries, including oil and gas, chemical and petrochemical processing, water treatment, and general industry. Capable of handling flows up to 12,680 gph or 211 gpm (48 m³/h or 800 L/min) with discharge pressures up to 3,655 psi (252 bar). Despite its high performance, the MEGAROYAL is surprisingly compact being up to 25% smaller when compared to other competitive brands, making it perfect when space is limited.
MODELS
The MEGAROYAL pump has three different models, each tailored to specific applications:
From left to right: HX268 | HX308 | HX368
– HX268: designed for chemicals and heavy oil, with temperatures up to 130°C and a capacity of 39.6 & 50.6 gph/9 m3/h & 11.5 m3/h. Dimensions: 2015 x 750 x 2530.
– HX308: for oil and gas, with a temperature up to 36.5°C and a capacity of 6.6 – 79.5 gph/3.78-18 m3/h. Dimensions: 2715 x 1910 x 2530.
– HX368: designed for chemicals and PH=2~5 acid water, with temperature up to 60°C and a capacity of 141 gph/32 m3/h. Dimensions: 2930 x 2130 x 2530.
In addition to these features, the MEGAROYAL process pump offers a variety of customizable options to meet your specific application requirements. You can choose from a variety of materials, the process connections to meet your specific application requirements. The pump is built with corrosion-resistant materials to withstand the most demanding environments and applications.
PATENTED DIAPHRAGM
One of the key features of the MEGAROYAL pump is its patented diaphragm design, which has a service life of more than 20,000 hours. This reduces maintenance costs while protecting against leakage, which is especially important when dealing with hazardous chemicals. The lubrication system is also unique and helps reduce wear, minimize maintenance, and extend the life of the equipment.
Equipped with a double diaphragm detection system that monitors by local or remote alarm in the unlikely event of a rupture. This feature, together with the leak-resistant design, protects the process and the environment from dangerous and costly contamination. The MEGAROYAL pump also features a built-in bleed valve for precise flow “control,” as well as a patented MARS refill system that automatically controls hydraulic oil to protect the diaphragm from rupture, while increasing overall pump reliability and reducing maintenance time and costs.
With the ability to pump high viscosity fluids in plastic pellet manufacturing, the MEGAROYAL pump addresses challenges in the manufacturing process such as reduced flow rate, increased maintenance costs, and decreased pump efficiency. For these and other reasons, NFW Welding Engineers turned to Milton Roy to together develop a solution to suit the Asian market applications of extremely viscous polymer products.
After careful consideration, Milton Roy’s experts chose to use four MEGAROYAL triplex monobloc pumps because of their API 675 compliance, high accuracy and reliability.
To learn more about Leak-proof Process Pumps, contact our Product Specialist Fernando Costa: 📧 f.costa@klinger.pt 📞 +351 913 388 131
Get to know about the stages that involved the conclusion process of the SIMDOURO public tender, in which we were responsible for the supply and assembly of Conveyor Screws, Vertical and Sub-Vertical Bar Screens and Screw Screen Compactor for WWTP’s and pumping stations.
From the application to the public tender to the completion of all the works, there were about seven months of hard work involving various sectors of our company. The choice of suitable and commited partners and qualified professionals were essential factors for the success of the installations and meeting the established deadlines.
CanelasCasteloFornosLouredoPaço de SousaPedoridoRanhaSanta Cruz do DouroSanta Marinha do ZezerêSardoura
OUR EXPERTISE IN WATER TREATMENT
Since 2017, with the acquisition of the company Equifluxo, we have expanded our operations in water treatment. Portuguese reference in the sector, KLINGER Portugal offers solutions in potable water, wastewater and irrigation processes. Our range of products includes automatic bar screens, screening, compact equipment, scraper, compressors and blowers, pumps, among others. In addition, we also offer installation, start-up and maintenance services.
THE WORKS IN THE NORTHERN REGION OF PORTUGAL:
The international public tender launched in May 2022 aimed at the supply and assembly of conveyor screws, vertical and sub-vertical bar screen and screw screen compactor for wastewater treatment plants (WWTP) and pumping stations belonging to SIMDOURO. The turnkey contract involved:
Supply and mechanical installation of the equipment
Supply and electrical installation of the equipment and respective switchboards
Civil works
LOCATIONS:
The contract work includes the supply and assembly of electromechanical equipment in several infrastructures, belonging to SIMDOURO. The infrastructures in question are marked on the map below:
WATER TREATMENT EQUIPMENT:
The main works planned for the areas indicated were the supply and installation of electromechanical equipment, namely:
Conveyor screw: We design our conveyor screws to “PULL” or “PUSH” depending on the general layout of the installation adapting also length and inclination to the needs.
Sub-vertical bar screen: The automatic inclined bar screen is used for the coarse screening of waste water or for the protection of fine filtration equipment.
Vertical bar screen: Ideal solution for installation in wastewater lifting stations. Solids are collected by a clawed spoon by pulling a polyester belt.
Screw screen compactor: The inclined screw screen compactor is the economic and simple solution for separating solids present in wastewater from municipal and industrial plants of various types.
From left to right: Conveyor screw | Sub-vertical bar screen | Vertical bar screen | Screw screen compactor
To find out more about water treatment solutions, contact our Product Specialist Adília Alves: 📧 a.alves@klinger.pt 📞 +351 224 862 829
Get to know the the SEALING ON A ROLL KLINGER SEALEX, versatile and safe solution for every eventuality.
With SEALING ON A ROLL KLINGER SEALEX you are always prepared! No matter what the unexpected, the result will always be a reliable and easy to use sealing. Specially processed, 100% pure PTFE on a roll, SEALEX has excellent chemical resistance properties and can be used pratically anywhere. Available in a wide range of thicknesses and lengths, its versatility also reduces maintenance and storage costs.
» Excellent resistance properties to chemical attack » Wide temperature range » Available in roll form which helps reduce storage space » Longer life and trouble-free sealing » Easy to install
Made from 100% pure PTFE from a unique, physically networked fibrillated material. Composed of specially prepared fluorocarbons with excellent resistance to aggressive chemicals as well as offering secure sealing under high pressures.
It does not allow bacterial growth or cause product contamination and it is FDA compliant. It has virtually no shelf-life concerns since PTFE is unaffected by normal environmental conditions.
Important approval certifications and tests KLINGER SEALEX:
» DVGW: Registration nº DG-5127BR0551 » BAM/oxygen: tested for oxygen at 60 bar and 60ºC (not for liquid oxygen) » TA-Luft: Tested at 150ºC » FDA conform, including adhesives » Certified according to DIN EN ISO 9001:2008
TEMPERATURE AND PRESSURE CONDITIONS
KLINGER SEALEX resists chemical attack with excellence, withstands temperatures up to 500ºF (260ºC) and a maximum pressure of 2000PSI (138bar). Suitable for cryogenic use -321ºF (-196ºC) and allows use in applications up to 150 bar internal pressure.
Avaliable 8 different width / thickness ratios:
SEALING
Due to its characteristics, with the KLINGER SEALEX, sealing problems are non-existent. Its soft, highly compressible seal effectively fill flange imperfections for a tight, leak-free seal. Good creep resistance to bolt torque retention properties.
MAIN APPLICATIONS
Suitable when the sealing surface or the flange stability prevents the successful use of a conventional seal. KLINGER SEALEX is also recommended when the flange sealing geometry requires an intricate gasket form, which is both difficult to assemble and uneconomical to manufacture. Furthermore this product is recommended when the flange material allows only low bolt loads to be used to seat the gasket but the media in the system and the internal pressure require high sealing.
Get to know what check valves are and their different types. Also, get to know the Duckbill Check Valves, their models and the 10 reasons to include them in your tide back flow project.
WHAT IS A CHECK VALVE?
Check valves in piping systems allow gases and liquids to flow in one direction and prevent fluid reversal. Adequate fluid pressure causes the check valve to open, while opposing fluid causes the check valve to close. Check valves also aid in efficient operation by preventing reverse flows and preventing water hammer. This phenomenon can break valves, pumps or other equipment connected to the pipeline. One of the simplest ways to prevent these episodes is to install check valves where possible.
DIFFERENT TYPES OF CHECK VALVES:
Although there are several types of check valves, each model has its advantages and disadvantages. Among the types most used in sewers are:
Swing or flap check valves:
With a disk usually made of metal, which rotates on a hinge or trunnion in the valve body, thus blocking the flow of fluid. Usually used in large diameter or high flow applications, it has among its disadvantages the possibility of accumulation of debris, which may cause the disc not to close properly and the valve not to seal.
Vibrations or excessive operations can deteriorate the rotating mechanism, stopping correct operation and causing leaks. The presence of upstream flow can impede the correct operation of the valve, causing the obturator to be in an intermediate position.
Ball and spring check valves:
With a metal or coated sphere that seals in the valve body, the seal is proportional to the back pressure of the fluid, a low back pressure upstream could cause a lack of seal. The weight of the valve may limit the use of this type of valve in large dimensions, due to excessive cost or difficulty in installation.
Rubber Duckbill Check Valves:
Inspired by nature, duckbill check valves are simple and efficient. They have a rubber body that remains closed until the correct pressure of gases or liquids causes it to open. Its flexible material and functional design cause the two halves of the opening to form a duckbill-shaped appendage, allowing fluid to move easily towards the outlet.
One of its main attributes is the nonexistence of mechanical elements, which consequently avoids any need for maintenance. It does not need interference to open or close, as the pressure of the fluid divides the two halves, freeing the passage of the liquid. In contrast, fluid pressure in the opposite direction causes the two parts to close. As a result, the fluid does not circulate normally, the greater the counter pressure, the greater the seal.
They are especially recommended for the environment sector (clean water or sanitation), the most recurrent uses are in sewage treatment plants, at the end of the outfall lines, and pipes with outlets for lagoons, rivers or the sea.
10 REASONS TO CHOOSE DUCKBILL CHECK VALVES:
They are extremely effective;
Non-existent maintenance, with little weight, which makes it an ideal equipment to apply in areas of difficult access or large dimensions;
Unlike metallic check valves, rubber ones do not suffer mechanical wear, do not rust, jam or seize, providing greater reliability;
Properly constructed and installed, rubber duckbill valves can remain operational for as long as 30, even 50 years;
They are completely passive equipment, they do not require any external power source or manual intervention to function;
Easy installation or replacement;
They are extremely silent, do not freeze or warp;
They avoid problems in outfalls to oceanic fronts or lagoons, preventing the invasion of salt water in the collectors, as well as avoiding soil erosion due to high fluid velocities;
The elastomer composition of duckbill valves has excellent resistance to biological contamination such as barnacles and algae, in addition to good resistance to abrasion;
Good resistance to corrosion in practically all fluids, in a temperature range from -54ºC to 121ºC.
PROCO PRODUCTS, INC.
Proco Products Inc is an American company, more precisely from the city of Stockton (California), serving the chemical / petrochemical, food, HVAC, industrial, marina, mining, oil, energy, pulp and paper, metal and water segments. With more than 40 years in the market, it is a global leader in the manufacture of expansion joints and check valves. It is with great satisfaction that we announce that KLINGER Portugal is now the exclusive distributor of Proco Products for the national market.
SERIES 700 PROFLEX – RUBBER DUCKBILL CHECK VALVES:
First row: Proflex Style 710, 730, 720 | Second row: 711, 731, 740
Proco Style 710/711 Pro Flex duckbill check valves:
Flanged check valves. Designed to bolt directly onto existing flanges or new installations. Flanges are drilled to ANSI 125/150#. Other perforation patterns are also available upon request. It can be installed in vertical or horizontal applications. The model 711 is designed for use where the inverted pipe outlet is close to the manhole or outfall floor.
Proco Style 730/731 Pro Flex duckbill check valves:
Sleeve check valves. Designed to easily slide over existing pipe and secured with heavy-duty stainless steel clamps. Can be installed in a vertical or horizontal application. The Model 731 is designed for use where the inverted pipe outlet is close to the manhole or outfall floor.
Proco Style 720 Pro Flex duckbill check valves:
Flanged in line. Designed to fit directly inside a barrel. Flat face flange allowing installation between existing pipe flanges, eliminating the need for a valve body. Flanges are drilled to ANSI 125/150#. Other perforation patterns are also available upon request.
Proco Style 740 Pro Flex duckbill check valves:
Designed to slide directly into a barrel. Supplied with a stainless steel expandable clamp to secure it in place.
Commercial agreement between KLINGER Portugal and Mapro International brings a new water treatment alternative through unique technology on the market.
KLINGER Portugal expands its product range and now distributes Mapro International compressors. In addition to offering an excellent quality/price factor, other aspects to be highlighted are reliability and technical response.
Supplier assessment
During the visit made to Mapro International facilities by Adília Alves, responsible at KLINGER Portugal for this group of equipment, and José Carlos Azevedo, responsible for development, we concluded that Mapro International was a suitable partner to respond to our customers the needs. We highlight high quality standards in the manufacturing process, important references in the international market, certifications and innovation. This visit marked the beginning of a partnership formalized on October 1st.
Images: Mapro International – Italy
Credibility and know-how
Since 1959, Mapro International has been manufacturing equipment for transporting air and technical gases worldwide. Known globally in the biogas transport system, the company has expanded its manufacturing range to offer compressors to the market for aeration, pneumatic transport, vacuum or any use where air transport is required. The use of these machines in the most varied industrial sectors, from food to pharmaceutical, from prototype machines to packaging machines, in industrial processes, in the control of environmental pollution, etc., forms the basis of a consolidated experience that allows Mapro International to provide technological and reliable solutions. Its certifications meet the most demanding requirements.
Range of products
Our new range comprises slading vane compressors, centrifugal fans, side channel, multi-stage, positive displacement and vacuum pumps. Serving different fields of applications, such as aeration, gas, pneumatic conveying and vacuum pumps, always offering flexible delivery and technical support through the KLINGER Portugal after-sales service.
One of the differentials offered is the MAPRO SmartControl technology, a unique monitoring system, developed specifically for the management and control of the MAPRO PD blowers operation. The way this operates is through previously defined parameters, for example, when connected to an oxygen probe, the system receives and processes the information received from the probe, modifying the behaviour of the compressor and regulates the air flow.
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