Inline Pressure Balanced Expansion Joints are designed to absorb externally imposed axial movement without imposing pressure loading on the system. This is accomplished by using two bellows both at line pressure tied together and acting in opposite directions. It is used where pressure loading on the piping or equipment is not acceptable. While the joint balances out the pressure forces , the force required to move the joint itself is not balanced.
Both the flow bellows and balancing bellows are compressed or elongated in operation and the combined axial spring force acts on the piping or equipment. Since the forces need to move the bellows of the inline pressure balanced expansion joints are of low magnitude these are usually not objectionable. These joints are usually installed at change of direction. They may also be designed for in line operation. The complexity of the inline pressure balanced expansion joint makes it an expensive unit. Its use can be justified economically only in those cases where the problems created by the pressure loading would be even more expensive.
The inline pressure balanced bellows is a unique design which absorbs thermal motion while eliminating the pressure thrust loads on a piping system without a change in the direction of the piping consists of a constant volume device which is created by the addition of a balancing bellows whose cross sectional area is exactly twice the cross sectional area of the line or flow bellows. By proper cross linking the change in the volume of the line or flow bellows due to change in the length (i.e. due to compression or extension) can be made to cause an equal but opposite change in the volume of the balancing bellows, Thus since the volume changes are of equal value the pressure thrust forces that are normally present in the piping system containing bellows expansion joints are eliminated. Inline pressure balanced expansion joint is used where the location of the expansion joint prohibits or makes it very costly to install main anchors.
Pliant Bellows ( Kwality Products ) is a leading Manufacturer of Elbow Pressure Balanced Expansion Joints from Pune, India.
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Inline Pressure Balanced Expansion Joints are designed to absorb externally imposed axial movement without imposing pressure loading on the system. This is accomplished by using two bellows both at line pressure tied together and acting in opposite directions. It is used where pressure loading on the piping or equipment is not acceptable. While the joint balances out the pressure forces , the force required to move the joint itself is not balanced.
Both the flow bellows and balancing bellows are compressed or elongated in operation and the combined axial spring force acts on the piping or equipment. Since the forces need to move the bellows of the inline pressure balanced expansion joints are of low magnitude these are usually not objectionable. These joints are usually installed at change of direction. They may also be designed for in line operation. The complexity of the inline pressure balanced expansion joint makes it an expensive unit. Its use can be justified economically only in those cases where the problems created by the pressure loading would be even more expensive.
The inline pressure balanced bellows is a unique design which absorbs thermal motion while eliminating the pressure thrust loads on a piping system without a change in the direction of the piping consists of a constant volume device which is created by the addition of a balancing bellows whose cross sectional area is exactly twice the cross sectional area of the line or flow bellows. By proper cross linking the change in the volume of the line or flow bellows due to change in the length (i.e. due to compression or extension) can be made to cause an equal but opposite change in the volume of the balancing bellows, Thus since the volume changes are of equal value the pressure thrust forces that are normally present in the piping system containing bellows expansion joints are eliminated. Inline pressure balanced expansion joint is used where the location of the expansion joint prohibits or makes it very costly to install main anchors.
Elbow Pressure Balanced Expansion Joints
Inline Pressure Balanced Expansion Joints are designed to absorb externally imposed axial movement without imposing pressure loading on the system. This is accomplished by using two bellows both at line pressure tied together and acting in opposite directions. It is used where pressure loading on the piping or equipment is not acceptable. While the joint balances out the pressure forces , the force required to move the joint itself is not balanced.
Both the flow bellows and balancing bellows are compressed or elongated in operation and the combined axial spring force acts on the piping or equipment. Since the forces need to move the bellows of the inline pressure balanced expansion joints are of low magnitude these are usually not objectionable. These joints are usually installed at change of direction. They may also be designed for in line operation. The complexity of the inline pressure balanced expansion joint makes it an expensive unit. Its use can be justified economically only in those cases where the problems created by the pressure loading would be even more expensive.
The inline pressure balanced bellows is a unique design which absorbs thermal motion while eliminating the pressure thrust loads on a piping system without a change in the direction of the piping consists of a constant volume device which is created by the addition of a balancing bellows whose cross sectional area is exactly twice the cross sectional area of the line or flow bellows. By proper cross linking the change in the volume of the line or flow bellows due to change in the length (i.e. due to compression or extension) can be made to cause an equal but opposite change in the volume of the balancing bellows, Thus since the volume changes are of equal value the pressure thrust forces that are normally present in the piping system containing bellows expansion joints are eliminated. Inline pressure balanced expansion joint is used where the location of the expansion joint prohibits or makes it very costly to install main anchors.
Kwality Products From Pune Maharashtra established in 1975, exclusively with a prime objective to manufacture world-class Expansion Bellows, Bellow Couplings & Metal Bellows manufacturer in India with the brand name Pliant Bellows, has now become a globally accepted provider of flexible piping systems exporting to more than 40 countries with a wide installation base covering almost all industrial sectors including and diverse as nuclear power and space programs. Our adherence to the highest standards of quality and precision makes us experts in Flexible Piping Systems. Supporting this dedication to quality is our ISO-9001:2015 certified system for designing, manufacturing, and testing armed and equipped with the latest state-of-the-art technology. The majority of our Expansion Bellows, Expansion Joints and Metal Bellows products are customized solutions. It means that we design and produce pipe expansion joints or metal expansion joints in accordance with close interaction with the customer requirements. Furthermore, we are often involved with our customers in the design and development of new products for challenging applications.
All major industrialized manufacturing processes that require piping and changes in temperature trust upon our expansion bellows or Metal Bellows products and services, Petro Chemical, Power generation, Fuel Cell Power Systems, Electrical Distribution Market, Industrial Gases, Chemical Processing, Oil and Gas Distribution, Utility piping, Solar Technology, Steel, Cement, Shipbuilding to name a few. Under the guidelines of standards, Pliant Bellows offers a complete range of metal expansion joints with the ability to design joints to every individual customers requirements. Pliant bellows expansion joints carry additional safety factors to ensure the long fatigue life of Metal expansion bellows. Though we offer a wide range of flexible components, were especially proud of our Metal Bellows Expansion joints. These metallic bellows expansion joints and allied products enjoy high recommendations from our global. Design calculations are performed using design software developed in-house and calculations are further checked using hand calculations.
To: Pliant Bellows ( Kwality Products )
Pliant Bellows ( Kwality Products )
Anand Uttarkar
Final plot no.38/1 Ramtekdi Industrial Estate Hadapsar, Pune - 411013, India
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