The alpha can accommodate up to 4 degrees of deflection per end. Installation instructions for the ebaa iron series 2000pv megalug mechanical joint restraint for pvc water and wastewater pipelines. For use on all classes of ductile iron pipe pc350 through pc150 and cl56 through cl50 without damage to the pipe or cement linings. Series 2000 megalug mechanical joint restraint for pvc pipe. The alpha end cap can also be used as a reliable pipe end seal for permanent installation. American restrained joint pipe the principal standards relating to applicable features of american restrained joint pipe and fittings. The coupling provides axial restraint to the rated pressure listed.
Ebaa iron megalug megalug accessory package with mechanical. Such forces, if not properly restrained, could cause the pipeline to move and disengage at the joints. Zero displacement is specified for fixed dof at restraint support locations. Within the pipeline there will generally be locations where the design results in unbalanced hydrostatic or hydrodynamic forces thrust that if left unanchored would result in socket spigot separation.
The mechanical joint restraint shall be compatible with awwa c900, c905, c906, c909 and astm d2241 pvc pipe and shall be achieved by a series of individually activated, contoured wedges gripping the outside wall of the pvc pipe. Excessive mud pressure can damage thinner wall products, which have lower collapse resistance ratings. Utah based wholesale plumbing, waterworks, irrigation and industrial piping distributer. Series 2000 megalug mechanical joint restraint for pvc pipe the series 2000pv mechanical joint is the fastest and most economical method of restraining pvc pipe to mechanical joints get the best of water online delivered straight to your inbox. Very little extra effort is required to restrain a mechanical joint fitting after the tbolts have been tightened. Simply put, the mostwidely accepted and installed integrallycast restraint joint system in the ductile iron pipe industry. Flextend flexible expansion joint hynds pipe systems ltd.
This program is based on the equations and procedures found in the dipra brochure thrust restraint design for ductile iron pipe. Ebaa iron megalug ductile iron mechanical joint restraint. The restrained length along the branch of the tee connection, lb, provides frictional resistance that involves the entire circumference of the branch piping. Pdf generation of the restraint length values which can include the equations and values used to determine the restraint length value. With our joint restraint system, the pipeline becomes its own thrust block. This test method is designed so that success in all three parts of the test provides reasonable assurance that a joint restraint product may be used on pvc pipe at the full pressure rating and capacity of the pipe. Sawn restrained movement joints these are the most common form of restrained movement joints. They are easy to install, can be pressurized as soon as the joints are tightened and get operating in the shortest amount of time.
Proven as a versatile and easytouse item, this joint is flexible, sure. Pipe compatibility steel, cast iron, asbestos cement, plastic and other types of pipe. The certalok restrained joint pvc pipe system is uniquely designed to offer significant cost, performance, safety and environmental advantages over bulldog joint options and materials. The restrained length calculator version rlc is a specifically designed calculator application, developed by ebaa iron, inc. Coupling gland ends cge are provided as a method of restraining across couplings. Wide range restrained end cap the alpha ec caps plainend pipe for testing, blowoff or line flushing. Freemovement joints which are going to be heavily trafficked should be of an armoured type to minimise damage to the joint.
Formed free movement joint formed restrained movement joint dowel bar held in formwork sheath to debond bar dowel bar fabric curtailed at formwork alternative arris protection system. City of north las vegas utilities department mechanical joint restraint length calculations note. The wedge gasket outperforms typical setscrew restraints and will not damage the pipe. The leemco joint restraint system replaces the need for thrust blocks which are often very problematic. There are several expansion joint models that fall into the restrained group of expansion joints and are called lateral, fully articulated, hinged or gimbal. Spigot joint ductile iron restraint device for ductile iron pipe. Below we provide the answers to several frequently asked questions regarding thrust restraint in ductile iron pipe design. Mechanical joint restraints shall be factory mutual approved in the 4 inch through 12 inch sizes. Ebaa iron 1900 series restraint harness for awwa c900 pvc pipe the 1900 series restraint family by ebaa iron, inc. Joint restraints totally eliminate the need for thrust blocks. This lets you cut pipe to lengths in the field at a tolerance of 0. Ebaa iron joint restraint for ductile iron pipe 170600. Joint restraints pvc pipe mechanical joint restrainer the pvc mechanical joint restrainer eliminates the need for thrust blocking, tie rodding, or harnessing mechanical joint fittings when they are used with pvc pipe.
Hinged restrained expansion joint for process piping. The gasket ring separates the seals dedicated to each sealing surface. With minimal input required, instantly compute the required length of restrained joint pipe for each and every bend, dead end, inline valve, tee and reducer that is plausibly available for the selected pipe diameter. Grp pipe joints can be generally classified into two. Ebaa series 2100 megaflange product video ebaa iron, inc. Ductile iron mechanical joint restraint 110300 at ferguson. Jun 19, 2014 restrained elbow pressure balanced rubber expansion joints, as manufactured by general rubber, will provide additional movement, such as axial, angular, lateral, and torsional, that may occur from.
Supplemental restraint of deflected or beveled pipe joints is almost never required. The series 1100 megalug mechanical joint restraints effectively and economically restrain ductile iron pipe dip to mechanical joints above or below ground, for practically any application. Restrained joint pipe and fittings are used in pressurized ductile iron pipelines to prevent the joints of the line from separating due to thrust forces. It consists of a wedge action solid restraint ring on the spigot joined to a ductile iron follower gland behind the bell. Mechanical joint restraints, 4 inch through 24 inch, shall meet or exceed the requirements of astm f1674 of the latest revision. Alpha is a wide range pipe coupling that restrains most common pipe and installs in about three minutes. Ebaa iron megalugs provide a fast, economical way to restrain joints. Concrete thrust blocks are required at directional changes to resist longitudinal forces. Restrained elbow pressure balanced joint demo youtube. Installation instructions for the ebaa series 1700 restraint harness for ductile iron pipe. Tr flex pipe and fittings provide flexible restrained pushon joints for 4 through 36 ductile iron pipe and fittings.
Restrained expansion joints are fitted with tie bars and or hinges and therefore preventing the joint from moving axially. The tr flex restrained joint has a working pressure rating equivalent to the working pressure rating of the parent pipe, with a maximum restrained joint working pressure rating of 350 psi except that 3036 have a 100 psi reduction in joint rating for a given parent pipe. Conservative assumptions, along with an explicit safety factor, have been employed to assure a conservative design with an adequate overall safety factor. Description wide range, restrained flanged coupling adapter. Known joint displacement is either zero or nonzero. After assembly, the joint is fully restrained and sealed. Series 2000 megalug mechanical joint restraint for. Ebaa iron releases new version of restraint length calculator.
Ebba iron series 1100 megalug mechanical pipe joint. Mechanical joint restraint for awwa pvc pipe sample speci. Joint displacement and restraint technical knowledge base. Joint restraint products the series 1100 provides joint restraint for pvc pipetopipe joints, and it may be installed on new or existing systems. Details about ebaa iron 1110dec 10 1100 series megalug joint restraint for ductile iron pipe. Restrained a joint pvc pressure pipe certalok vip restrained joint pvc municipal water pipe certalok vip restrained joint pvc pipe is the first nonmetallic restrained joint system designed for use in municipal water and fire protection systems. Jan 25, 2017 general rubbers style 5100h hinge rubber expansion joint is designed to facilitate and isolate angular rotation in one plane.
Disc, compound, turbo, mag, ultrasonic eseries, orion mese migratible, orion cellular, beacon advanced metering analytics software. Read on to learn why certalok is the smart choice for pvc restrained joint applications. Megalug mechanical joint restraints replace external restraints such. For buried pipelines, thrust restraint is achieved by transferring the thrust force to the soil structure outside the pipe. Restrained joints are proven as a versatile and easytouse item, this joint is flexible, sure, and watertight to and beyond its 350psi pressure rating while preventing longitudinal separation of the joints whether installed above or below ground. Use them at any mechanical joint, including straight pipe, tees or elbows. Megalug 2200 series mechanical joint restraint by ebaa iron, inc the series 2200 megalug mechanical joint restraint for use on large diameter c905 awwa pvc pipe is a solid ring restraint for restraining pvc pipe to mechanical joint fittings a. The restrained length of pipe lr, along the run of the tee and on each side of the tee, encounters passive bearing resistance from the soil that acts perpendicularly to the tee. Tr flex ductile iron pipe ductile iron pipe and fittings. From restrained joints to welded outlets and fittings, weve been providing dependable and economical solutions for our customers for over 100 years. Restrained joints are provided in all sizes 4 through 64 as shown below and described in this section. Ebaa series 1700 installation instructions ebaa iron, inc. Megalug 2200 series pvc pipe restraints mechanical.
Get the best of water online delivered straight to your inbox. Provides a restrained joint for multipurpose use from ips pvc through cast iron. Ebaa series 2000pv installation instructions youtube. There are two methods generally used to resist the unbalanced. It is illegal to install products that are not lead free in accordance with us federal or other applicable law in potable water systems anticipated for. Were here for you during this unprecedented timecall or order online for the best treatment. The 3800 series restrained coupling is used for joining and restraining two plain end pipes of the same or dissimilar materials ductile iron pipe, pvc pipe, steel pipe andor high density polyethylene pipe hdpe. For each joint of a structural model, displacement may either be unknown and solved for, or it may be known and input. Ebaa iron series 2100 megaflange restrained flange adapter product overview.
The mechanical joint restraint shall have the same. Mechanical joint restraint shall be series 2000pv produced by ebaa iron inc. They eliminate the cost of expensive thrust blocks and steel tie rods. The ebaa developed version of a rlc program has been used by water and wastewater pipeline designers for years in order to properly and quickly calculate the restraint length values necessary for restraining various fittings and other pipeline appurtenances wherever a change of direction or size in a. Certa lok restrainedjoint pipe for trenchless water and sewer applications. Ebaa series 1700 installation instructions youtube. The objective of the design is to distribute the thrust forces to the soil structure in such a manner that damage does not occur to the restrained pipe system and joint separation does not occur in unrestrained joints. Application alpha fc provides a fast, easy way to connect and restrain plainend pipe to flanged fittings. Wide range restrained coupling originally released in the summer of 20, the alpha coupling installs in about three minutes, and accommodates. Ebaa iron 1900 series restraint harness for awwa c900 pvc. The series 1100 megalug mechanical joint restraints effectively and economically restrain ductile iron pipe dip to mechanical joints above or below ground, for practically any application including valves, hydrants, and pipe.
Restrained joints water and wastewater pipelines, under internal pressure, will experience unbalanced forces in the system as fluid flow is altered by change in direction. No need to turn popup blockers off as with previous versions. They are formed by cutting the slab at predetermined points to to induce cracks which divide the slab into panels relieving the shrinkage stresses in the slab. Here are the features you will see with ebaa irons restraint length calculator rlc v7. The arrangement consists of a pair of hinge plates connected with. Free movement joints allow for the horizontal movement of the slab caused by shrinkage and thermal effects. The series 2000pv mechanical joint is the fastest and most economical method of restraining pvc pipe to mechanical joints. Sizes 3 48 compatibility for use on ductile iron pipe and steel pipe sizes 3 12 inch. Integral bell pvc products pvc coupling composite coupling note. The key to the restrainer is the specially designed ductile iron, split clamping ring. Joint restraint for ductile iron pipe 170600 at ferguson. Usabluebook ebaa megaflange, series 2106 6 pipe od.
No free movement joints should allow relative vertical displacement of the panels. It includes guidelines for the design of thrust blocking using the standard details and special design requirements for nonstandard thrust blocks and restrained. When properly installed, the romac alpha coupling can be used at a working pressures equal to the rating of the. Do i need to be concerned with axial stresses in ductile iron pipe when using restrained joints. Standard test method for joint restraint products for use. The xl may have limited deflection at the top of the range 2 degrees max each end. Ebaa mechanical joint restraint products utilize accepted assembly procedures to seal the joint, then the simple tightening of wedges to restrain the joint. Thrust forces generally occur at changes of direction in the line. The restraints have internal serrations that lock onto the pipe and give 360 degrees of. Automatically calculates results for both bare pipe and polywrapped scenarios. Megalug accessory package with mechanical joint gasket for pvc 2004psc at ferguson.
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