When the angular movement is only in one plane hinge expansion joints or angular expansion joints are used. An angular expansion can be expressed when an expansion joint experience bending about its center which is the centerline and half way between the ends of metal bellows.
These types of expansion joints are used mostly in sets wherever piping direction changes. So you will find hinged expansion joints used at the locations where pipe bending occurs. Due to the hinged nature of this bellow only angular movement is allowed around the hinges. Since lateral movements too take place so there is a piping joint between these 2 bellows. The amount of lateral deflection a hinged expansion joint can accommodate for a given angular movement is directly proportional to the distance between them. To use a pair of hinged bellows effectively the distance between them should be made as large as possible. When only two hinge expansion joints are used as shown in the adjacent figure the piping perpendicular to the hinge segment must deflect to absorb the thermal expansion of the spool containing these angular expansion joints.
When the piping in a single plane system is not flexible enough to absorb the thermal expansion of the spool between the hinged joints a system of three hinged expansion joints may be used. In this system the combination of the three joints absorbs all the thermal expansion of the piping system and no deflection of the piping is observed. This system produces the lowest possible forces on the intermediate anchors and guides
If the thermal growth in the Piping System occurs in only one plane the use of this joint provides the most efficient solution to absorb the thermal deflections.
Pliant Bellows ( Kwality Products ) is a leading Manufacturer of Hinged Expansion Joints from Pune, India.
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When the angular movement is only in one plane hinge expansion joints or angular expansion joints are used. An angular expansion can be expressed when an expansion joint experience bending about its center which is the centerline and half way between the ends of metal bellows.
These types of expansion joints are used mostly in sets wherever piping direction changes. So you will find hinged expansion joints used at the locations where pipe bending occurs. Due to the hinged nature of this bellow only angular movement is allowed around the hinges. Since lateral movements too take place so there is a piping joint between these 2 bellows. The amount of lateral deflection a hinged expansion joint can accommodate for a given angular movement is directly proportional to the distance between them. To use a pair of hinged bellows effectively the distance between them should be made as large as possible. When only two hinge expansion joints are used as shown in the adjacent figure the piping perpendicular to the hinge segment must deflect to absorb the thermal expansion of the spool containing these angular expansion joints.
When the piping in a single plane system is not flexible enough to absorb the thermal expansion of the spool between the hinged joints a system of three hinged expansion joints may be used. In this system the combination of the three joints absorbs all the thermal expansion of the piping system and no deflection of the piping is observed. This system produces the lowest possible forces on the intermediate anchors and guides
If the thermal growth in the Piping System occurs in only one plane the use of this joint provides the most efficient solution to absorb the thermal deflections.
Hinged Expansion Joints
When the angular movement is only in one plane hinge expansion joints or angular expansion joints are used. An angular expansion can be expressed when an expansion joint experience bending about its center which is the centerline and half way between the ends of metal bellows.
These types of expansion joints are used mostly in sets wherever piping direction changes. So you will find hinged expansion joints used at the locations where pipe bending occurs. Due to the hinged nature of this bellow only angular movement is allowed around the hinges. Since lateral movements too take place so there is a piping joint between these 2 bellows. The amount of lateral deflection a hinged expansion joint can accommodate for a given angular movement is directly proportional to the distance between them. To use a pair of hinged bellows effectively the distance between them should be made as large as possible. When only two hinge expansion joints are used as shown in the adjacent figure the piping perpendicular to the hinge segment must deflect to absorb the thermal expansion of the spool containing these angular expansion joints.
When the piping in a single plane system is not flexible enough to absorb the thermal expansion of the spool between the hinged joints a system of three hinged expansion joints may be used. In this system the combination of the three joints absorbs all the thermal expansion of the piping system and no deflection of the piping is observed. This system produces the lowest possible forces on the intermediate anchors and guides
If the thermal growth in the Piping System occurs in only one plane the use of this joint provides the most efficient solution to absorb the thermal deflections.
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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