Electrostop monolithic isolation joints gpt industries. Monolithic isolation joints are a longterm, reliable, robust and costeffective solution for pipeline isolation. Are boltless, rigid pipeline components, factory welded and ready for installation at site. Monolithic isolation joints provide electrical isolation between segments of linepipe. Barlow monolithic insulating flange joints for electrical isolation support cathodic protection of natural gas pipelines. For longterm dependability, experts choose the alfa monolithic isolation joint which is welded into place for a permanent solution. Alfa monolithic isolation joints are assembled and tested in a clean factory setting.
Monolithic insulting joint goodrich gasket industrial. Why to use a monolithic isolation joint corrosion destroys approximately 30% of the worlds annual production of steel. These include adjustable dismantling joint, monolithic insulating joints, brass rain cap and monolithic isolation joints. Qualityassurance each monolithic isolation fitting shall be manufactured at a facility that has a registered iso 9001. Iso jo i n t employs one or more, preassembled pressure seals and isolating. Materials design, selection and failure of monolithic. The correct location of a monolithic isolation joint results in saving. Special configurations can be supplied ex our european and usa manufacturers in short delivery times. It can seem a simple piece of equipment because it has no moving parts and is supplied fully assembled and ready to weld into the pipeline. Insulating gasket that prevents metaltometal contact across the joint. Monolithic joints monolithic isolation joints manufacturer. Monolithic isolation joints monolithic isolation joints are the premium choice to provide cathodic protection along a pipeline.
The alfa monolithic isolation joint interrupts the flow of electrical current along the pipe, utilizing dielectric materials encapsulated in the joint design. We are strongly convinced that in the field of monolithic insulating joints its important to be specialized in order to provide product quality, timely delivery and flexibility, the. Monolithic isolation joint isojoint for superior cathodic protection isojoint is a true monolithic isolating joint which effectively and efficiently stops short circuits and stray currents from damaging pipelines and equipment. Isojoint monolithic isolating joint by aps farwest. The advantages of using the monolithic isolation joint is that this kind of joint avoids small parts such as gaskets and flanges, and can be produced to exacting standards of precision. Established in 1981 from the business idea of two brothers thanks to their passion for mechanics, meccanica segrino can be considered a worldwide leading manufacturer of monolithic insulating joints for gas, water and other fluids insulation joints provide electrical isolation and cathodic protection in pipeline, tanks and pumping station where petroleum, gas and water are carrier fluid. Insulated joints triple protection 1 insulated gaskets prevent metaltometal contact across the insulated joint. Joints in concrete construction types and location of.
The usage of monolithic isolating devices in cathodically protected systems is considered by nace sp02862007. The monolithic insulation joints are designed to meet and satisfy very high pressure services up to 20,000 psi. The dielectric isolation material shall be a high temp thermosetting fiberglass epoxy material. Monolithic insulating joints production meccanica segrino. Unfortunately the use of these accessories has been difficult to carry out in discharge lines of wells with high pressure and temperature and sour service conditions, mainly because the materials of the seal and dielectric isolation systems can suffer damages associated with the. Isolation joints prevent metal to metal contact across the joint, and this protection is long term and maintenancefree. Isojoint employs one or more, preassembled pressure seals and isolating ring.
Monolithic isolation joint is o jo i n t fo r su p e r i o r ca t h o d i c pr o t e c t i o n iso jo i n t is a true monolithic isolating joint which effectively and efficiently stops short circuits and stray currents from damaging pipelines and equipment. Monolithic isolating joints do not require maintenance, they improve the cathodic protection of gas, water and petroleum pipelines. Monolithic insulating joint by goodrich gasket pvt ltd is a welded prefabricated 3piece union applicable for pipeline electrical sectioning and commonly used when the cathodic protection is present to prevent any interference in corrosion control. Ijas ltd the main supplier of monolithic isolation joints. Sealing system shall be by two standard o ring seals. They have the facilities to manufacture any size joint from. Wherever practical, the vkvc insulating joint is intended to be installed above the ground, or in an inspection pit in dry conditions to limit the possibility of electrical bridging across the joint. Monolithic isolation joints shall be bolt less and completely factory assembled in accordance with the appropriate requirements of astm, api, din and bs codes. Customer design requirements complete a new form for each joint type required. Where you find pipelines for gas an oil distribution system, you will also find a range of alfa engineering isolation joints.
When the electrostop isolation fitting is buried, you bury maintenance costs forever an especially important feature for system operators and engineers. Further, these monolithic joints are highly efficient, highly durable and long lasting. Monolithic isolation fittings shall be boltless and completely factory assembled in accordance with the appropriate requirements of astm, api, din and bs codes. Global supply line can supply monolithic insulating joints from stock in ansi 150 to 2500 up to 300 nb 12. The monolithic insulating joints produced by meccanica segrino are sold all over the world both directly and through local distributors. How does one perform due diligence on a sealed, discrete system to ensure it will serve well over the asset lifecycle. The dielectric isolation material is made of a thermosetting fiberglass epoxy material. The electrostop weldin monolithic isolation fitting installation guide. They can be ordered in whatever pipe size is required, and sealed easily and safely without the need for welding. The electrostop monolithic isolation joints are a leakproof, maintenancefree and long lasting block against the flow of electric current in all piping systems. Please contact factory for nominal diameters, pressures up to 2500 ansi, temperatures up to 320 f 160 c and electrical characteristics not shown. Nov 17, 2014 electrostop monolithic isolation joints are specially engineered to eliminate dangerous leaks and corrosion, and permanently seal pipe connections. An insulation joint is a boltless structure that provides electrical resistance between the pipeline sections and adjoining structures, thus improving the effectiveness of the catholic protection system cp systems.
Insulating flange joints monolithic isolating joints. For nearly 60 years, the barlow insulated flange joint has been the preferred insulating practice for many gas transmission and. Project and customer information todays date date required companyutility contact name project namelocation contact phone 49 cfr 661 compliant buy america yes no. Isolation joints are boltless and completely factory assembled, utilising the double seal system to provide superior strength and excellent protection against leakage. Pipeline insulated joints monolithic isolation joints. Alfa monolithic isolation joints are boltless and completely factory assembled in accordance with the appropriate requirements of astm, api, din and bs codes. The monolithic insulation joints are designed to meet and satisfy very high pressure services up. A monolithic isolation stress joint is disclosed having a first conduit element, a first insulating joint assembly, and a stress joint connected to the first conduit element through the first insulating joint assembly. Pca isolation joints offer the highest design reliability in a working environment because they are. The electrostop is a complete factory assembled and tested monolithic isolation fitting which will serve as a leak proof, long lasting block against the flow of electrical current in steel piping systems.
Isolation joints are formed by placing preformed joint material next to the column or wall or standpipe prior to pouring the slab. The most uptodate, patented joint on the market, isojoint does not depend on the use of isolating sleeves and washers. The monolithic isolation joint shall be the electrostop isolation joint as manufactured by gpt. Ijas ltd the main supplier of monolithic isolation. Monolithic insulating joints, pipeline insulating joints. These rings are generally made of construction steel or low alloy steel, in the documentation attached to our products you can find all the results of controls and. Insulated joints triple protection 1 insulated gaskets prevent metal. It is intended to be girth welded between two pipeline sections. Industry proven double oring seals standard available with triple oring seals based on application standard oring material nbr other materials optional based on application oring design in accordance with astm d2240, astm d412, astm d395. The electrostop monolithic isolation fittings serve as a positive leakproof, long lasting block against the flow of electric current in all piping systems. The use of a weldin style monolithic isolation joint eliminates the jigsawpuzzle installation of gasket isolation kits and allows for a tested and readytoinstall, finished product. The dielectric isolation material shall be a thermosetting fibreglass epoxy material. Alfa monolithic isolation joints current pipeline products.
Tube turns monolithic insulated joints electrically isolate sections of pipeline to prevent corrosion caused by stray electrical currents or interference from other pipelines and power transmission cables. Polarization probe for over 20 years, as the top pipefitting manufacturer in china which access to the eu ce certification and. Monolithic joints we are highly renowned as one of the leading manufacturers and exporters of an extensive range of monolithic joints. Electrostop monolithic isolation joints pipetech corporation.
Pipeline insulating joint specification pipeline insulating joints shall be boltless and completely factory assembled in accordance with the appropriate requirements of asme, astm, api, din and bs codes. The stress joint is formed of a material which has advantageous elastic flexure characteristics but which is electrochemically active with respect to the first conduit element. Monolithic joints manufacturer, monolithic joints supplier. The alfa monolithic isolation joint interrupts the flow of electrical current along the pipe. Isolation joint material should go all the way through the slab, starting at the. High in demand in various industries such as chemical, petrochemical, automobile, water treatment plants and oil refineries, these joints are offered to clients in different standard sizes in order to cater their diverse. Insulation joints braunstahl in kehl am rhein germany. Corrosion destroys approximately 20% of the worlds annual production of steel. Standardized and specialized designs are available, following some features. Custom built to your specifications, isolation joints are manufactured to any diameter or wall thickness and are throughbored to allow for the passage of pigs and scrapers. The monolithic isolation joint is a sealed system, which obscures the individual components inside. Monolithic isolation joint specification our monolithic isolation joints are manufactured at the alfa engineering facility an iso. Monolithic insulating joints, pipeline insulating joints, npt.
As the name implies, a monolithic isolation joint appears as a solid block. Isolation joint material is typically asphaltimpregnated fiberboard, although plastic, cork, rubber, and neoprene are also available. The electrostop eliminates short circuits and field assembly. Pimenta and others published monolithic isolation joint failures find, read and cite all the research you need on researchgate. Monolithic isolation joints, may be a stock item or built to spec. Since more than 30 years we work for projects all over the world and we are part in.
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