Expansion joint

Expansion joint

Expansion Joints are very widely used. It is commonly used in piping.


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
China,South Korea
Brand name
NES
Payment Terms
L/C,Others,T/T
Production method
Available,OEM
Shipping / Lead Time
Negotiable / Negotiable
Keyword
expansion joint, rubber expansion joint, metalic expansion joint, square metalic expansion joint
Category
Pipe Fittings

UT Co.,Ltd

Membership
PRO
Recent Visit
Jan 16, 2025
Country / Year Established
South Korea South Korea / 2022
Business type
Trading Company
Verified Certificate

1

Product name Expansion joint Certification -
Category Pipe Fittings Material FEBRIC,MILD STEEL,RUBBER,STAINLESS STEEL,SUPER DUPLEX,duplex
Keyword expansion joint , rubber expansion joint , metalic expansion joint , square metalic expansion joint Unit Size -
Brand name NES Unit Weigh -
origin China,South Korea Stock 0
Supply type Available,OEM HS code 8409

Product Information

Expansion Joints are very widely used.

These systems specifically include exhaust systems, ventilation and flue gas systems,

including district heating, steam, oil and gas pipe systems

It is commonly used in piping.

 

1) Axial movement

Axial Movement applies extensively to compression that reduces the length of the bellows or to stretching that extends the bellows.

Expansion joints requiring axial movement are installed in the pipe system as necessary due to the increasing temperature of the pipe system and are installed between the two fixed points (anchors).

The extension of the pipe is offset by the compression of the bellows. Typically, for cooling or cold pipes, the length of the bellows may be extended due to contraction of the pipe system. 

Thermal expansion of the piping system results in compression of the installed expansion joint.

The specification of the expansion joint should always specify the movement when affecting the expansion joint, not the movement caused by the piping system.

 

2) Lateral movement

The lateral movement is a movement perpendicular to the longitudinal axis of the bellows, and is a shear movement of the bellows in which one end is offset from the other while the ends of the bellows remain parallel to each other. In particular, if the flow characteristics of the system require an inner sleeve, the expansion joint can accommodate a relatively limited amount of lateral movement through shear action. For larger lateral movement capabilities, it is common to use universal bellows arrangement with intermediate pipes between the bellows, and the lateral movement of the expansion joint is in the opposite direction of the bellows

It consists of each rotation. The amount of lateral movement available depends on the rotation. Increasing the distance between the bellows while increasing the moving capacity of each bellows and the distance between them proportionally increases the lateral movement capacity of the expansion joint. Side movement can be applied to more than one plane.

 

3) Angular movement

Angular shift is the rotation of the longitudinal axis of the bellows at one end, which is exactly perpendicular to the midpoint and longitudinal axis below the bellows. Stretch joints that use angular shift to control plumbing system expansion are almost always used in pairs, sometimes as part of twin bellows units, sometimes as two or three sets of fixed constrained stretch joints. Intelligent use of the angular capacity of the bellows can absorb large amounts of movement. In particular, the pin units used in a two- or three-pin array can convert the tubular growth into angular rotation and control the expansion in two directions and two sides. It is important not to confuse each rotation with torsion. Torsion is a torsion rotation around a longitudinal axis, and its effects on the bellows should always be avoided because it creates undesirable shear forces within the bellows.





Single Unrestored absorbs all movement caused by thermal and mechanical expansion.

The shape of the bellows is molded into a welded thin plate U-shape.

 

It is designed based on EJMA 10th edition to derive the optimal shape.

* Type of Expansion Joint

1) Metal Expanison Joint

2) Single Unreinforced Metal Expansion Joint

3) Universal Unreinforced Metal Expansion Joint

4) Single Tied Metal Expansion Joint

5) Universal Tied Metal Expansion Joint

6) Cylinder Type Expansion Joint

7) Gimble Type Expansion Joint

8) Reinforced Expansion Joint

9) Expansion Joint - Rectangular (Round corner Type Expansion Joint)

10) Expansion Joint - Rectangular (Miter Corner Type Expansion Joint)

11) Pressure Blance Type Expansion Joint

12) Tema Bellows Expansion Joint

13) Non-Metal Expanison Joint(Fabric)

14) NonMetal Expanison Joint(Rubber)


B2B Trade

Price (FOB) Negotiable transportation Air Transportation,Express,Land Transportation,Negotiation Other,Ocean Shipping
MOQ Negotiable Leadtime Negotiable
Payment Options L/C,Others,T/T Shipping time Negotiable

UT Co.,Ltd

Country / Year Established
South Korea South Korea / 2022
Membership
PRO
Recent Visit
Jan 16, 2025
Business type
Trading Company

1

President
KIM CHAN MIN
Address
Suyeong-ro, 759,307, Suyeong-gu, Busan, Korea
Product Category
Flanges,Pipe Fittings,Valves
Year Established
2022
Company introduction
First of all, I’d like to introduce our company, 
we are the leading exporters of the following items in South Korea 
and our core business is to export Korean industrial equipment,
 engine parts, and plant material equipment to Japan, China, 
Southeast Asia, and the Middle East. Please refer to the following item list. 
 
* Valves (Butterfly, Ball, Check, Globe, Gate, Angle, Storm, Safety, Needle, Bleed) 
* Tube Fitting (Straights, 90 Elbow, 45 Elbow, Tee, Reducer) 
* Copper Product (Pipe, Tube, Bushing, Liner, oilless bearing) 
* Expansion Joint 
* Strainer (Canning, Casting) 
* Transmitter & Sensor (Hyd. Single, Pressure, Multi Mechanical & Electric, etc) 
* Engine parts for Vessel Etc. 
And the other products at customer’s request. 
 
If there are any demands, 
please give us a chance to quote, 
we will provide with competitive price, 
satisfied service and quick response. 
 
We are looking forward to hearing from you soon. 
If there are any further questions, 
please contact me at your convenience. 
Main Markets

Australia Australia

China China

Japan Japan

U.A.E. U.A.E.

U.S.A U.S.A

Main Product
Attached File

Related Products

Other buyers also search

Membership Grade

BUYER

Biz Pro VIP

SELLER

Biz Pro VIP
팝업닫기
Live Chat A new message arrives
from a business partner.

No Data

  • There is no data to load
  • Check out the My TK > My Inquiries list.
  • After agreeing to the use of the Live Chat service, the list is printed only when there is at least one history of receiving or sending a Live Chat request.

If you have not yet agreed to use the Live Chat service,

You can use the Live Chat freely after agreeing to the use of the Live Chat service.

View more
View more