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General Questions
general-questions-faq
Would you recommend expansion joints become filled with Kao when the expansion joint is utilized in high-temp applications (e.g. reactor overhead lines)?
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With regards to materials, how do you certify the materials?
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Why should I use a double offset expansion joint?
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Why do bellows have corrugations?
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Which forming method is better of more quality?
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Where is the insulation pillow located within the expansion joint?
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Where do I install expansion joints in a piping system?
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When are center supports required on expansion joints?
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What type of material is normally used in the accumulation barrier?
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What type of EJ do I use so that I don’t need to design for the pressure thrust force?
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What’s the highest cycle # you can handle?
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What’s the difference between a single and multi-layer bellows?
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What other name is the toroidal pipe expansion joint known as?
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What limits the U-shaped design application?
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What is the smallest inner diameter you can fabricate?
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What is the service life of expansion bellows before it needs to be serviced in steam application?
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What is the purpose of the hinged expansion joint on a duct expansion loop?
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What is the leak “rate” acceptance criterion for the bolt to fabric connection?
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What is the function of the particulate deflector on a fabric expansion joint?
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What is the function of an expansion joint in a compressor?
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What is the flow direction of an expansion joint?
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What is the difference of the expansion joint at the elbow, one with expansion joint at the outside of elbow and the other without it?
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What is the difference between tie rod and limit rod?
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What is the bellows of an expansion joint?
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What is lateral deflection?
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What is free length in an expansion joint bellows?
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What is flow rate?
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What is expansion joint O.A.L.?
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What is bellows I.D.?
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What is a swing expansion joint?
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What is an RFSO flange?
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What is angular deflection?
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What is an FCC unit?
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What is an expansion joint?
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What is 300 psig?
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What happens if a fabric expansion joint is exposed to sudden pressure fluctuations, such being located near ID fans and dampers?
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What does cold preset 2.5″ mean?
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What causes expansion?
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What are wipers on slip type pipe expansion joints?
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What are the travel limits for the tie rods?
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What are the three basic movements within a joint?
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What are the guidelines on how to locate anchors and expansion joints in chilled water risers?
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What are intermediate anchors used for in the expansion joint system?
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What are convolutions on bellows for expansion joints?
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What anti-corrosion coatings are used on expansion joints?
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The axial load is transferred through expansion joint itself and the limit rod is for safety? Is my understanding is correct?
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On a lateral tied expansion joint, is there space allowed in between the nut and the retainer to functionally avoid tilt of the tie-rod when at the operating temperature?
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Is there a pressure limit to start to use a wall thick EJ?
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Is the branch of a balanced Tee in the normal process flow path? Or is it sealed off?
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Is seamless tube available instead of a butt welded tube for metallic expansion joints?
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Is it okay to put guides on only one side of the expansion joint?
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Is it okay to punch a hole into an expansion joint?
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Is an In-line pressure balanced pipe expansion joint more expensive than the similar type of expansion joints?
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Is 304 Stainless safe for applications installed near the ocean where the metal may be more susceptible to corrosion or would you recommend another material?
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In what situations would you pre-compress piping expansion joints?
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If a simple bellows is designed without limit rods (for operating cases), under a hydro test, do you recommend adding limit rods?
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How would I determine the equivalent length of an expansion joint within a piping system?
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How much tension is needed to prevent a pipe from buckling?
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How long is an expansion joint cycle?
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How do you seal high temperature furnaces?
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How do you remove an expansion joint from a pipeline?
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How do you order an expansion joint?
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How do you decide the number of convolutions for a bellows?
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How do you connect duct pipe with expansion joints?
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How do you attach a copper tube with a bellows?
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How do you anchor and guide an expansion joint on elevated pipe?
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How do you adjust pipe expansion joint tie rods?
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How do the bellows flex when you have a solid rod connecting each end together?
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How do I insulate large piping expansion joints?
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How do I change a steam expansion joint?
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How does one determine the design life of a particular bellow as opposed to cycle life?
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How does an expansion joint operate in a furnace?
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How does an expansion bellows function?
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How close should the expansion joint be set to the anchor?
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How are the telescoping liner and liner seal installed?
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How are the seals retained?
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For field installation work do you have tools to punch holes in the expansion joint? Is it a mechanical or hydraulic punch?
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For a fabric expansion joint, what does the joint frame take the place of?
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Do you provide lifting lugs and/or lift points to be used during field installation?
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Do you normally recommend tie-rods for a single expansion joint?
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Do you include or recommend adding construction tolerances to the calculated thermal movements the expansion joints are supposed to accommodate?
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Do intermediate anchors have to be a full anchors on an expansion joint?
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Does US Bellows, Inc. have any unique design for pressure thrust balancing an in-line slip joint for long stretch of large-bore pipes?
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Does fatigue failure of an expansion joint include the natural vibration of the structure and the natural frequency of the piping system during operation?
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Does air between multilayer expansion joints reduce the pressure rating from single thickness?
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Can you explain how carbon steel does not have sufficient elasticity?
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Can expansion joints be repaired in the field?
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Can double gimbal expansion joints be self-stable if applied horizontally?
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Are you carrying out finite element analysis for designing the bellows?
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Are there special considerations for bellows material that do not have a fatigue endurance limit such as titanium?
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Are there expansion joints for seismic joints?
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Are hinged pipe expansion joints provided with pin holes?
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What does LNG stand for – what is it?
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What is an Inner Thrust Ring?
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Where is a common area to find a piping deformation?
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Can you electrically isolate the piping from other structures?
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Is it cheaper to install pipes underground or above?
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How do pipe supports reduce vibration?
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What is cold expansion?
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What is a Pipe Spool?
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How do you protect steel from corrosion?
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How does Zinc protect steel from corrosion?
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What factors go into calculating Pipe Thickness?
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How do you define a hydro-test pressure based on design pressure?
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Does materials incompatibility play a role on stress analysis?
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Can you give examples of solids that are transferable via a pipe?
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Does an anchor restrict motion in all direction that is X-Y-Z directions?
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What is the maximum sag usually considered when designing a steel piping system?
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What is sag when referring to a pipe?
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What is thermal bowing?
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How do you know when you are above the maximum force that the system can take?
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Regarding various types of pipe clamp devices, are these devices also suitable for use with polymer material pipe?
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How can I model your supports into CAESAR II?
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How vital are pipe stess results to pipe support design?
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How much compressive strength does the marinite material permit?
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How do we inspect load cells and what is the criteria for their positioning?
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What is the isolation pad material?
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Does change in density imply change in thermal conductivity?
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We use a low pressure steam heater to heat rail cars at our asphalt terminal, will high temperature insulated pipe supports allow for proper expansion and contraction of the piping?
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Will the load of fluid flowing through the pipe be considered as a varying load? or is that included in the basic piping weight?
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What is STAAD analysis?
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When you take a compression test to failure, what is the failure criteria?
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The dimensions of the support are checked as individual pieces or after it has been welded into a full assembly?
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Will the load of fluid flowing through the pipe be considered as a varying load?
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How do I determine whether the pipe loads will be varying?
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What is the maximum spring rate decay in percentage required to replace it?
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Can the spring be re-calibrated?
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What’s the maximum temperature rating for the galvanized finish?
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Do you have a recommendation to prevent quick corrosion in a salty environment?
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What is a 3-coat paint system?
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What is the centerline of the pipe?
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What does axial pipe restraint mean?
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What are the different types of supports in piping?
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What is standard PT&P finish on catalog items?
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What causes pipe vibrations?
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How do you double nut a pipe hanger?
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How do you calculate how much load a particular pipe support can take?
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How many pipe hangers do I need on my pipe?
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How do I attach a pipe hanger to a concrete deck?
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How do I make a request for quotation?
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How much weight can a pipe support?
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How do I get a pipe support custom made?
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Where do you anchor piping?
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How do you prevent corrosion on pipe supports?
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Why do you paint carbon steel material?
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Why is permali wood used for cryogenic pipe supports?
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What is axial pipe movement?
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Is neoprene or galvanized coating a better option?
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What are the standards used for the design of your pipe supports?
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How many types of insulation do you provide?
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What is Piping Technology?
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What is galvanized steel?
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What is galvanized coating?
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How do you perform a burst test?
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What is burst testing?
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What are EDI capabilities?
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How do you pre-insulate pipe?
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What is the density of polyurethane?
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How is vertical piping suspended?
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What is the name of the temporary stand used to hold pipes in place?
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What are resting supports for piping?
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What is a pipe trunnion?
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What is the centerline in pipe supports?
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What are the different types of pipe supports in refineries?
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What is a pipe support?
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What is Permali®?
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