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| Categories | Expansion Joints | 
|---|---|
| Brand Name: | DEYE | 
| Model Number: | DY-RJ-U15 | 
| Certification: | ISO9001:2015 PED | 
| Place of Origin: | CHINA | 
| MOQ: | 10PCS | 
| Price: | USD2-USD25 each | 
| Payment Terms: | T/T, L/C, D/P | 
| Supply Ability: | 1000pcs one month | 
| Delivery Time: | 20 days for usual order, 7 days for stocked items | 
| Packaging Details: | carton box+ ply wooden cases or carton+ Pallets | 
| Types: | Single Sphere Type, Twin Sphere Type, Double Sphere type, double ball type, Union Fittings Type | 
| Rubber Material: | EPDM, NBR, BUNA, Neoprene, VITON, PTFE, Hypalon | 
| Flange Type: | HDG, Electric. Galvanized, Zinc Coated, Stainless Steel | 
| Rating: | PN10 PN16 PN25 CL150LBS 150# | 
| Size: | 2" (DN50MM)-144"(DN3600MM) | 
Union Double Sphere Rubber Expansion Joint With Filet Fittings
A rubber expansion joint, also known as a flexible connector or
compensator, is a crucial component used in piping systems to
absorb movement, vibrations, and thermal expansion. These joints
are made from rubber or elastomeric materials that provide
flexibility and absorb movement, preventing damage to pipes and
equipment while ensuring a smoother and quieter operation. Rubber
expansion joints also help mitigate the stresses caused by thermal
expansion and contraction, which can lead to leaks, cracks, or
premature wear and tear.
By absorbing these movements, they contribute to extending the
service life of the entire system and maintaining its efficiency.
The Union Fittings with threaded NPT, BSPP,BSPT to connect pipes or nipples to extended the pipeline.
Material of main Spare Parts
| Cover | EPDM, NBR, Hypalon, NR, PTFE | 
| Reinforcing Fabric | Nylon | 
| Tube | EPDM, NBR, Hypalon, NR, PTFE | 
| Retain Rings | Steel | 
| Flange | Carbon Steel, Stainless Steel, Duplex SS | 
Supplying Scope
| Size Range | DN50-DN800 | 
| 
 | PN10 PN16 PN25 for rubber | 
| PN10, PN16, PN25, PN40, PN64, PN100 for metal bellow type | 
Design Pressure
| Working Pressnre(Bar) | 10 | 16 | 25 | 
| Burst pressure(Bar) | 30 | 48 | 55 | 
| Vacuam(mmHg) | 400 | 650 | 750 | 
Technology/ Technical Data Sheets
Rubber joint with Union Screw
Dimension of Rubber joint with filter Fittings
| Nominal Diameter | Neutral Length | 
 Movements 
 | ||||
| DN | NPS | L | Ext. | Comp. | Lateral. | Angular.O | 
| 15 | 1/2 | 200 | 5-6 | 22 | 22 | 45" | 
| 20 | 3/4 | 200 | 5-6 | 22 | 22 | 45° | 
| 25 | 1 | 200 | 5-6 | 22 | 22 | 45° | 
| 32 | 11/4 | 200 | 5-6 | 22 | 22 | 45" | 
| 40 | 11/2 | 200 | 5-6 | 22 | 22 | 45° | 
| 50 | 2 | 200 | 5-6 | 22 | 22 | 45" | 
| 65 | 21/2 | 265 | 8-10 | 24 | 24 | 45° | 
| 80 | 3 | 285 | 8-10 | 24 | 24 | 45" | 
FEATURES
Absorb Axial movements (extension and compression).
Axial movement is the change in dimensional length of the bellows
from its free length in a
direction parallel to its longitudinal axis.
Absorb Lateral movements.
Lateral movement is the relative displacement of one end of the
bellows to the other end in a direction perpendicular to its
longitudinal axis.
Absorb Angular and Torsional Movements.
Angular movement is the rotational displacement of the longitudinal
axis of the bellows toward a point of rotation. Torsion refers to
twisting one
end of the bellows with respect to the other end, about the bellows
centerline.
Reduce Vibration.
Rubber expansion joints isolate or reduce vibration caused by
equipment. The transmission
of vibration is reduced and they protect equipment from these
adverse effects
Dampen Sound Transmission.
Rubber expansion joints tend to dampen transmission of sound
because of the steel rubber interface of joints and mating flanges.
Manual and Install Notes of the Rubber Joint
Application:
Oil & gas, Desalination, Cooling systems, Pumps, Chemical plants,
Heating, ventilating
and air conditioning, Shipbuilding, Off-shore applications, Water
treatment plants
Sewage, Sanitary piping systems, Pulp and paper plants, Piping
systems for chilled or hot water, Cooling systems power generation,
Phosphate plants, Potable water, Food process
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