RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
Swing check valve is mounted with a disc that swings on a hinge or shaft. The disc swings off the seat to allow forward flow and when the flow is stop...
Features： Fully bore globe pattern design, lowest head loss while fully open Keep stable working condition even the flow rate close to zero High sens...
Ⅰ Business area: fluid control products, technology and environmental protection products. Ⅱ Advanced CNC machining centers, professional process ce...
RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
Series: SASQUATCH series soft seal gate valve Port size: DN50 - DN900 (NPS2-NPS36) Pressure rating: PN10, PN16 Temperature: 0℃~80℃ Connection: Flange Certificate: CE ,WRAS,API,OHSAS18001:2007,ISO9001:2015
Series: HYDRA Series Resilient Seat Butterfly Valve Temperature: -29℃ ~ +120℃ Pressure: PN6, PN10, PN16(Class 150) Port Size: DN32-DN2400(NPS1 1/4-NPS96) Power: Manual, Electric, Pneumatic, Hydraulic
Butterfly valves have been around for a long time, and are used for a variety of applications. They made their first appearance during the 1930s, and have been utilized by several industries ever since. Often made out of cast iron, butterfly valve's name is based from the functionality of its disc.
The wafer butterfly valve is one of the most common types of valves in industrial pipelines. The structure of wafer butterfly valve itself is relatively small. It is only necessary to put the butterfly valve in the middle of the flange at both ends of the pipe, and use the stud bolt to pass through the pipe flange and the pair.
The manual valve is a valve operated by the handle and the hand wheel, and is a commonly used valve on the equipment pipeline.
Valves are the most common equipment in chemical companies. It seems easy to install valves, but if they are not implemented in accordance with the re...
DIN standard now uses EN standard structure length
EN 558-1 PN flange connection valve construction length (instead of DIN 3202), EN 558-2 CLASS flange connection valve construction length (instead of BS2080), EN 12982 butt weld end valve construction length (instead of DIN 3202), DIN standard The length of the structure including the length of the API valve is basically the same as the length of the GB...
Resilient-seated gate valve with bolted cover connection; made of ductile iron materials and with epoxy coating, designed as both clockwise and anti-c...
The butterfly valve disc is a key component of the butterfly valve, which acts on closing and opening and closing. Butterfly valve seat and butterfly ...
What is Kieselguhr Filter? What's the working principle of Kieselguhr Filter? The kieselguhr filter (Candle filter / Cake Filter) which we for customized for fluorine chemical plant six more lithium fluoride phosphate phosphorus process have been installed and working for two years
MINOTAUR series replaceable seat high performance butterfly valve
In water transmission and wastewater pipeline projects, valves are among the most critical components of the system. While considerable attention is usually given to valve selection, installation and future maintenance requirements are often underestimated during the design stage. In practice, many on-site difficulties are not caused by the valve itself, but by insufficient installation tolerance and limited maintenance accessibility.
This is why dismantling joints are widely used in water pipeline systems, particularly in combination with large-diameter valves such as butterfly valves, gate valves, and check valves. Their role extends beyond simple connection, directly affecting installation efficiency, maintenance safety, and long-term pipeline reliability.
Installation Challenges in Water Pipeline Projects
Water pipelines typically involve large-diameter pipes, heavy valves, and fixed installation positions. Once installed and commissioned, access to these components may be limited, especially in underground chambers or pumping stations.
Common installation and maintenance challenges include:
Without sufficient installation flexibility, even routine valve maintenance can become time-consuming and costly.
What a Dismantling Joint Provides in Practice
A dismantling joint is designed to compensate for axial length variations in pipeline systems. By allowing controlled axial adjustment, it creates the necessary installation clearance for valves and other pipeline equipment.
From a practical engineering standpoint, dismantling joints provide several key functions:
These functions are especially valuable in large-diameter pipelines where components are heavy and precise alignment is difficult to achieve.
Typical Applications in Water and Wastewater Systems
Dismantling joints are commonly used in combination with:
In many projects, dismantling joints are installed on one or both sides of a valve, depending on pipeline layout and maintenance requirements. Their use is considered standard practice in modern water infrastructure projects.
Integration with Double Eccentric Butterfly Valves
Large-diameter double eccentric butterfly valves are frequently selected for water pipelines due to their favorable sealing performance and operating characteristics. However, their size and weight make proper installation and future removal more demanding.
By installing a dismantling joint together with a butterfly valve, engineers can ensure:
This combination improves both construction efficiency and long-term operational reliability, especially in confined installation environments.
Engineering Considerations for Selection
When selecting dismantling joints for water pipeline applications, engineers typically evaluate:
Nominal diameter and pressure rating
Compatibility with connected valves and pipelines
Axial adjustment range
Structural strength and stability
Installation space and maintenance accessibility
Proper selection ensures that the dismantling joint performs its function without compromising pipeline integrity or operational safety.
Conclusion
Dismantling joints play a critical role in ensuring practical and maintainable valve installations in water transmission and wastewater pipeline systems. Their ability to provide installation flexibility and facilitate future maintenance makes them an essential component rather than an optional accessory.
When used in combination with large-diameter valves such as double eccentric butterfly valves, dismantling joints contribute to safer installation, reduced downtime, and more efficient long-term pipeline operation. For water infrastructure projects focused on reliability and lifecycle performance, their inclusion is a well-established engineering practice.
RKSfluid provides dismantling joints that are commonly applied together with large-diameter valves, such as double eccentric butterfly valves, offering practical solutions for valve installation and pipeline maintenance.
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