Pipe restraints and adapter flanges emco waterworks. Brace hubless cast iron pipe and fittings 5inch and larger with holdrite no hub pipe restraints or approved equivalent. Hub for single hub type pipe or flexible coupling for nohub or hubless type pipe. The mechanical joint restraint shall have the same pressure rating as the pipe with a 2. We hope we get the opportunity to do business with you soon. We manufacture a full line of service and extra heavy cast iron soil pipe and fittings from 2 15, and double hub pipe from 2 6. Cpf8 hubless cast iron dwvstorm pipe w thrust restraint. The grip of the wedges shall increase as the hydrostatic pressure increases. This section contains nohub fitting restraints, which are ideal for restraining hubless cast iron soil pipe joints against separation during high thrust conditions. If the pipe is greater than four inches in diameter, use the restraints. These engineered restraints protect against water blowouts in rain leader systems, plus support joints from the separation of both longitudinal movements and. Braces, blocks, rodding and other suitable methods as specified by the coupling manufacturer shall be utilized. This specification covers hubless cast iron pipe and fittings used in sanitary drain, waste, and vent dwv, sewer, and storm drainage applications.
Chapter 2 installation of cast iron soil pipe and fittings. No hub couplings revolutionized cast iron drainage pipe installations from a hazardous, tedious, skilled craftsman trade, to a simpler, quicker, less tools needed, safer occupation. Pipe restraints and adapter flanges norwood waterworks. Specification for hubless cast iron soil pipe and fittings for sanitary and storm drain, waste, and vent application scope. Sharkbite pexpipe a crosslinked polyethylene pex tubing that does not corrode, pit or scale, and provides highest chlorine and uv resistance. Cast iron soilpipefit handbook cast iron soil pipe institute. This is a guideline for connecting hubless pipe and fittings with tyler.
The principle of set screws for pipe restraint is not a new idea developed. Seismic braces may be omitted when the top of the pipe is suspended 12 or less from the supporting structure member and the pipe is suspended by an individual hanger. Cast iron pipe and fitting dimensions table of contents page. Because all pipes and fittings on the drain, waste and vent dwv systems. Nabhcoppolicies and procedures guide patients under restraints ver. View our line of no hub wyes and san tee fitting restraints. Holdrite nohub fitting restraints cad details the holdrite cad details below are complete drawings that can easily be downloaded, customized for your residential or commercial project, and included in your cad library for future use.
Many piping failures can be explained by the concept of hydraulic jump. Its our pleasure to serve the water and wastewater industry. Slide the lubricated gasket over the pipe end with the tapered end facing the gasket cavity in the flange. The first technique will apply to both hub type pipe and nohub pipe. Vertical piping attachment vertical piping shall be secured at sufficiently close intervals to keep the pipe in alignment and carry the weight of the pipe and contents. Slide the flange onto the pipe with the gasket cavity facing the end of the pipe.
This nohub fitting restraint is made to prevent separation of nohub pipe fittings at changes of direction or straight inline joints. The longitudinal restraints on the two end joints of. Nabh policy patient under restraints nabh standard reference. Seismic restraints may be omitted from the following installations. Reliable built with top materials such as stainless steel, black iron, or galvanized components and engineered to meet plumbing codes, pipe manufacturers installation instructions, and the cispi installation handbook.
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. The prediction of future activities around the bends that might jeopardize the water main, such as. These products are ideal for restraining hubless castiron soil pipe joints against separation during high thrust conditions, as required by nohub pipe. Through the preparation and distribution of technical reports, we seek to advance interest in the manufacture, use and distribution. This no hub fitting restraint is made to prevent separation of no hub pipe fittings at changes of direction or straight inline joints. Pipe restraints and adapter flanges section u 042016 web revision 05092016. No hub pipe and fittings service pipe and fittings extra heavy pipe and fittings plugs. This product does not comply with the safe drinking. Nohub fitting restraint solutions 117 series product line expands numerous con. To carry load to ensure that material is not stressed beyond a safe limit holdup of liquid can occurred due to pipe sagging allow draining to permit thermal expansion to withstand and dampen vibrational forces applied to the piping piping components. Holdrite nohub fitting restraints ideal solution for restraining nohub cast iron soil pipes against separation during high thrust conditions. Uniflange offers builtin end restraint no tie rods or other forms.
The hp lok restrained joint has a working pressure equivalent to the working pressure rating of the parent pipe with a maximum working pressure rating of 350 psi. An unrestrained, 12inch rainwater leader separated, and a double offset fell through the ceiling in the fifth floor stairwell and flooded the building. Products include 42 no hub fitting reducer restraints, ranging in wye sizes from 10 8x6. The cast iron soil pipe institute cispi was organized in 1949 by the leading american manufacturers of cast iron soil pipe and fittings. Guide for pvc pressure fittings pvc pipe association. Pipe supports and restraints pipe fluid conveyance. This system is intended for use in nonpressure applications. A superduty stainless steel coupling for joining no hub cast iron soil pipe and fittings.
This dimensional catalog accurately reflects our product line at the time the catalog was printed. Any component of piece of equipment that is exposed in any way to the effects of wind should be restrained. All no hub cast iron fittings domestic no hub cast iron combo wye and 45 elbow there is a minimum advertised price map allowed by the manufacturer on this product. Understanding seismic and wind restraints ce center. Holdrite no hub fitting restraints prevents separation of no hub pipe fittings at changes of direction or straight inline joints. We also manufacture a full line of nohub hubless pipe and fittings, 1. More detailed information about coupling dimensions, installation practices and restraints may be found in the cast iron soil pipe industry publication cispi310. Do not use this item for any installation or repair of potable water applications. They are designed to restrain pipe and fittings against separation against thrust forces up to 50 head of water. The institute is dedicated to aiding and improving the plumbing industry.
Without nohub fitting restraints in place, the system buckled. These engineered restraints protect against water blowouts in rain leader systems, plus support joints from the separation of both longitudinal movements and diagonal misalignment. The tables below show examples of restrained lengths for various commonly used. Without no hub fitting restraints in place, the system buckled. Joint restraint products stargrip series 3000 for ductile iron pipe the stargrip mechanical joint restraint system is a unique product with a proven design that provides an exceptional restraining system for mechanical joint fittings awwa c153 or c110, valves, fire hydrants and all classes of ductile iron pipe. Pipe penetrations through structural elements such as beams, walls, and slabs must be coordinated with structural engineer.
For a downloadable version of the catalog, click below. Nabh policy patient under restraints nabh standard. These nohub fitting restraints provide the ideal professional solution for no hub dwv joints. This section contains no hub fitting restraints, which are ideal for restraining hubless cast iron soil pipe joints against separation during high thrust conditions. All hubless pipes and fittings should be properly restrained if test pressure exceeds.
Pipe continues to lead the industry through the principles the company was established on over 100 years ago. Holdrite no hub fitting restraints ideal solution for restraining no hub cast iron soil pipes against separation during high thrust conditions. Check to see if the spacers under the screws are in place. The use of adhesive lubricant is not a substitute for proper joint restraint. Holdrite nohub fitting restraint kit 1176k ferguson. Heavyduty nohub pipe couplings should be used for seismic applications, where nohub pipes are joined together with a flexible coupling that slips over the o. Holdrite nohub fitting restraints prevents separation of no hub pipe fittings at changes of direction or straight inline joints. Only the joints falling within the restrained length adjacent to the fitting or valve must be restrained. Nohub fitting restraint solutions building in california. Nohub couplings revolutionized cast iron drainage pipe installations from a hazardous, tedious, skilled craftsman trade, to a simpler, quicker, less tools needed, safer occupation.
Before no hub couplings were invented, hub and spigot cast iron piping would be connected into fittings with hubs or bells by using lead, oakum, melting pots. Heavyduty no hub pipe couplings should be used for seismic applications, where no hub pipes are joined together with a flexible coupling that slips over the o. View our line of nohub wyes and san tee fitting restraints. Products include 42 nohub fitting reducer restraints, ranging in wye sizes from 10 8x6. Where possible, it is recommended to use full lengths of pipe adjacent to valves and fittings to avoid unnecessary expense. Guide for pvc pressure fittings 11 pvc pressure fittings the selection of the appropriate method for providing thrust restraint must be based on the consideration of present and future conditions. For pipe sizes greater than 4 inches 102 mm, restraints shall be provided for drain pipes at all changes in direction and at all changes in diameter greater than two pipe sizes. It may be used when the run consists of more than two joints of pipe, and involves longitudinally trapping one joint of pipe between two others, see figure s104 below. No hub fittings no hub cast iron fittings cast iron no. Cast iron soil pipe and fittings engineering manual, washington, d. To carry load to ensure that material is not stressed beyond a safe limit holdup of liquid can occurred due to pipe sagging allow draining to permit thermal expansion to withstand and dampen vibrational forces applied to the piping. These no hub fitting restraints provide the ideal professional solution for no hub dwv joints. We also manufacture a full line of no hub hubless pipe and fittings, 1.
Hubless cast iron pipe and fittings for sanitary and storm drain waste and vent piping applications. Before nohub couplings were invented, hub and spigot cast iron piping would be connected into fittings with hubs or bells by using lead, oakum, melting pots. Thoroughly lubricate the pipe and gasket with a soap based pipe lubricant. Nohub fitting restraints 20140312 supply house times. No hub 10 bell 9 spigot 9 dismantling joint 6 flanged 5 pvc 4 plain end 3 ductile iron 1 hex 1. Since 3 inch and 14 inch through 24 inch restraints are only used with one pipe diameter, no spacers are used. Holdrite nohub fitting restraints prevents separation of nohub pipe fittings at changes of direction or straight inline joints. If vertical piping is to stand free of any support or if no structural element is available for support and stability during construction, secure the piping in its proper position by means of adequate stakes or braces fastened to the pipe.
Seismic restraint systems guidelines cooper industries. Short sweep 14 bend restraints ideal for restraining hubless cast iron soil pipe joints against separation during high thrust conditions built with stainless steel, black iron, andor galvanized components. For pvc, ductile iron and steel pipe i s o 9 0 0 1. If not, the restraint can slip under pressure, resulting in a sudden impact, and cause the pipe to burst. A superduty stainless steel coupling for joining nohub cast iron soil pipe and fittings. Riser joint brace assembly for no hub pipe section 3 single pipe hanger rigid brace spacing charts spacing charts for concrete attachments. These suggestions are based upon accepted industry standards and practices.
We manufacture a full line of service and extra heavy cast iron soil pipe and fittings from 2 15, and doublehub pipe from 2 6. No other gasket is necessary or should be used to seal the flange faces. Additional sealing clamps for better load distribution and a more positive seal. These products are ideal for restraining hubless castiron soil pipe joints against separation during high thrust conditions, as required by nohub pipe manufacturers and cispi standards. Pipe restraint iron restraint no hub fitting restraints.
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