An expansion joint is typically installed in compressor inlet or outlet piping to reduce the forces and moments on the compressor nozzles.
Read MoreWhat is the function of an expansion joint in a compressor?
November 8, 2020
Tag: faq
An expansion joint is typically installed in compressor inlet or outlet piping to reduce the forces and moments on the compressor nozzles.
Flow direction of an expansion joint refers to the direction by which the material within the pipe is moving.
What is the flow direction of an expansion joint?
Flow direction of an expansion joint refers to the direction by which the material within the pipe is moving.
Read MoreThe bellows outside the elbow is called the balancing bellows. This bellows compensates for the movements. The elbow acts as an intermediate anchor and the tie rods absorb all of the pressured thrust forces.
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?
The bellows outside the elbow is called the balancing bellows. This bellows compensates for the movements. The elbow acts as an intermediate anchor and the tie rods absorb all of the pressured thrust forces.
Read MoreThe function of tie rods on an expansion joint is to continuously restrain the full pressure thrust during normal operation while permitting only lateral deflection. Limit rods are used to limit axial expansion or compression. Limit rods are designed to absorb the pressure thrust of the expansion joint in case of anchor failure.
What is the difference between tie rod and limit rod?
The function of tie rods on an expansion joint is to continuously restrain the full pressure thrust during normal operation while permitting only lateral deflection. Limit rods are used to limit axial expansion or compression. Limit rods are designed to absorb the pressure thrust of the expansion joint in case of anchor failure.
Read MoreA bellows is the flexible element of an expansion joint consisting of one or more convolutions and the end tangents, if any.
What is the bellows of an expansion joint?
A bellows is the flexible element of an expansion joint consisting of one or more convolutions and the end tangents, if any.
Read MoreLateral deflection is movement perpendicular to the axial plane of the expansion joint. It is a shear motion on the bellows.
What is lateral deflection?
Lateral deflection is movement perpendicular to the axial plane of the expansion joint. It is a shear motion on the bellows.
Read MoreFree length is the neutral length of the expansion joint bellows. This is the length of the bellows that has neither been compressed nor extended.
What is free length in an expansion joint bellows?
Free length is the neutral length of the expansion joint bellows. This is the length of the bellows that has neither been compressed nor extended.
Read MoreThe flow rate is the amount of liquid passing through a particular area over a period of time. It is generally measured in gallons per a minute or cubic feet per meter.
What is flow rate?
The flow rate is the amount of liquid passing through a particular area over a period of time. It is generally measured in gallons per a minute or cubic feet per meter.
Read MoreO.A.L refers to the overall length of the expansion joint.
What is expansion joint O.A.L.?
O.A.L refers to the overall length of the expansion joint.
Read MoreBellows I.D. refers to the inside diameter of the bellows.
What is bellows I.D.?
Bellows I.D. refers to the inside diameter of the bellows.
Read MoreA swing expansion joint is another term used for a hinge type expansion joint.
What is a swing expansion joint?
A swing expansion joint is another term used for a hinge type expansion joint.
Read MoreAn RFSO flange is a raised face slip on flange.
What is an RFSO flange?
An RFSO flange is a raised face slip on flange.
Read MoreWhen an expansion joint experiences bending about its center, which is on the centerline and halfway between the ends of the bellows, this deflection is referred to as angular. It can occur in any plane that passes through the centerline, but the plane should be clearly indicated if the expansion joint is more complicated than the simplest type, i.e., only a bellows with flanges or pipe ends. As in lateral movements, piping analyses may reveal angular deflections occurring in more than one plane. With angular deflection the basis for the proper selection is the maximum of the various deflections, and not the vector sum as in the lateral case. Multiple angular deflections in multiple planes produce a single angular deflection in a single resultant plane. As in lateral deflection, this plane must be understood if structural components are to be used.
What is angular deflection?
When an expansion joint experiences bending about its center, which is on the centerline and halfway between the ends of the bellows, this deflection is referred to as angular. It can occur in any plane that passes through the centerline, but the plane should be clearly indicated if the expansion joint is more complicated than the simplest type, i.e., only a bellows with flanges or pipe ends. As in lateral movements, piping analyses may reveal angular deflections occurring in more than one plane. With angular deflection the basis for the proper selection is the maximum of the various deflections, and not the vector sum as in the lateral case. Multiple angular deflections in multiple planes produce a single angular deflection in a single resultant plane. As in lateral deflection, this plane must be understood if structural components are to be used.
Read MoreAn FCC unit is a fluid catalytic cracking unit, which is a type of process that is used in refining crude oil into gasoline. The expansion joints used for the service are called stand pipe expansion joints.
What is an FCC unit?
An FCC unit is a fluid catalytic cracking unit, which is a type of process that is used in refining crude oil into gasoline. The expansion joints used for the service are called stand pipe expansion joints.
Read MoreAn expansion joint is an assembly used in a pipe line to allow it to expand and contract as climate conditions move from hot to cold and helps to ensure that the system remains functional.
What is an expansion joint?
An expansion joint is an assembly used in a pipe line to allow it to expand and contract as climate conditions move from hot to cold and helps to ensure that the system remains functional.
Read MoreThis is an expansion joint specification meaning the expansion joint is rated for 300 pounds per square inch of pressure.
What is 300 psig?
This is an expansion joint specification meaning the expansion joint is rated for 300 pounds per square inch of pressure.
Read MoreThis may result in the belt fluttering. The fabric will fatigue over time resulting in tears. Using stiffer fabric material, installing a liner and increasing the standoff are steps to take avoid flutter.
What happens if a fabric expansion joint is exposed to sudden pressure fluctuations, such being located near ID fans and dampers?
This may result in the belt fluttering. The fabric will fatigue over time resulting in tears. Using stiffer fabric material, installing a liner and increasing the standoff are steps to take avoid flutter.
Read MoreCold preset of 2.5″ is performed in the shop on one side of the center line so that in operation the expansion joint will return to the neutral position.
What does cold preset 2.5″ mean?
Cold preset of 2.5″ is performed in the shop on one side of the center line so that in operation the expansion joint will return to the neutral position.
Read MoreExpansion is caused by heat being applied to a piping system.
What causes expansion?
Expansion is caused by heat being applied to a piping system.
Read MoreOn slip type pipe expansion joints special features such as wipers can be included to prevent clogging of the space provided for slip movement.
What are wipers on slip type pipe expansion joints?
On slip type pipe expansion joints special features such as wipers can be included to prevent clogging of the space provided for slip movement.
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