Stainless Steel Flanged Union Connection Flexible Rubber Expansion Joints for Pipes

Price $12.30 Compare
Min Order 3 Pieces
Shipping From Shandong, China
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Ningjin Ninghao Machinery Co., Ltd.

VIP   Audited Supplier 5 years
Profile Certified by SGS/BV
NHFLEX-A/B/C/D TYPE
Flange/Union
Corrugated Compensator
Axial/Horizontal/Angle
Round
Nr, EPDM, NBR, FKM
Galvanized (Zinc Plated) or Spraying
Customized
CE, JIS, ISO9001
12 Months
Chemical/Building/Plumbing/Firefighting/Electric
Connector, Expansion Joint, Compensator, Dumper
Carbon Steel, Stainless Steel, Bronze, Cast Iron
Nylon Fabric/Metal Reinforcement
Vibration and Noise Absorption
Piping System, Water Supply, HVAC System, etc.
OEM
Carton Packaging
DN20-DN3000
China
4009120000
Product Description
Product Description

Flanged/Union Threaded Connection Flexible Rubber Expansion Joints Pipe Connector Rubber Compensator

Rubber Flexible Joint Features:
Small size, light weight, good elasticity, easy installation and maintenance

Installation can produce transverse, axial, angular displacement, not subject to pipeline not centered, flange is not parallel and other restrictions

When working, it can reduce the noise transmitted by the structure, with strong shock-absorbing ability. Rubber joints have good comprehensive performance and are widely used in chemical industry, construction, plumbing, fire fighting, electric power and other basic projects.

Rubber joints are mainly used in pipelines with large vibration and frequent changes of heat and cold, which can absorb the vibration generated by the work of the pump, thus reducing the noise and avoiding the loosening of the screws, and thus are also called shock absorbers or vibration dampers.

Rubber flexible joint is a kind of pipeline connection parts, can connect two different materials, different straight through or different axis of the pipeline. Rubber flexible joint can relieve the pipeline system due to thermal expansion and contraction, frequent vibration and other reasons caused by pipeline deformation, displacement and other problems, so as to protect the safety operation of the pipeline.

Advantages: good elasticity, sealing, corrosion resistance and so on.

 

Main Products

1. Single Ball Rubber Expansion Joint:

Standard Specification:

 

Max.Working Pressure2.5Mpa
Operating Temperature-20ºC-100ºC
Vacuum KPa (mmHg)44.9(350)
Applicable MediaSea Water, Drinking Water, etc.
Flange StandardDIN, JIS, GOST, ANSI, etc.
Component Parts:
ItemPartMaterial
1Body Outer LayerNR, EPDM, NBR
2Body lnner LayerNR, EPDM, NBR
3Reinforced FabricNylon
4WireSteel
5FlangeZinc Plated/Sprayed CS, SS304, SS316, Cast Steel
NHFLEX-A TYPE Rubber Joint Size Chart:
  SIZELENGTHMovemont Capablllty
DNF/FComp.Ext.LateralAngular
  (mm)(mm)(mm)(mm)(mm)(degree)
  3295/130/15296915
  4095/130/152106915
  50105/130/1521071015
  65115/130/1521371115
  80130/1521581215
  100130/15219101315
  125130/152/17019121315
  150130/152/18020121415
  200130/152/20525162215
  250130/203/24025162215
  300130/203/26025162215
  350203/26525162215
  400203/26525162215
  450203/26525162215
  500203/26525162215
  60026525162215
* Supply range can be up to DN3000, detailed data can be offered upon request.
Control units must be used when piping is not properly anchored.
The rated pressure can be above 2.5MPa, but products will only be sold with control units.
Pressure rating is based on 30ºC operating temperature. The pressure rating is reduced at higher temperatures.
Rated pressure in the above table is the maxlmum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times "work pressure".

 

2. Double Ball Rubber Expansion Joint:

Standard Specification:
Max.Working Pressure2.5Mpa
Operating Temperature-20ºC-100ºC
Vacuum KPa (mmHg)44.9(350)
Applicable MediaSea Water, Drinking Water, etc.
Flange StandardDIN, JIS, GOST, ANSI, etc.
Component Parts:
ItemPartMaterial
1Body Outer LayerNR, EPDM, NBR, FKM
2Body lnner LayerNR, EPDM, NBR, FKM
3Reinforced FabricNylon
4WireSteel
5FlangeZinc Plated/Sprayed CS, SS304, SS316, Cast Steel
NHFLEX-B TYPE Rubber Joint Size Chart:
  SIZELENGTHMovemont Capablllty
DNF/FComp.Ext.LateralAngular
  (mm)(mm)(mm)(mm)(mm)(degree)
  4017510202030
  5017510202030
  6517510202030
  8017510202030
  10022515302530
  12522515302530
  15022515302530
  20032520403030
  25032520403030
  30032520403030
  35035020403030
  40035020403030
  45035025453030
  50035025453030
  60035025453030
* Control units must be used when piping is not properly anchored.
The rated pressure can be above 2.5MPa, but products will only be sold with control units.
Pressure rating is based on 30ºC operating temperature. The pressure rating is reduced at higher temperatures.
Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times "work pressure".

 
3. Rubber Metal Pipe Connector: 
Standard Specification:
Max.Working Pressure1.0Mpa
Operating Temperature-20ºC-100ºC
Applicable MediaSea Water, Drinking Water, etc.
Flange StandardDIN PN10 PN16
Component Parts:
ItemPartMaterial
1BodyNR, EPDM, NBR
2FlangeCast Steel
NHFLEX-C TYPE Rubber Joint Size Chart:
SIZELENGTHDIN PN10L1
DNF/FDD1n-M
(mm)(mm)(mm)(mm)(mm)
2070109754 X M1212
2570119854 X M1216
32701451004 X M1616
40701561104  X M1616
50701711254 X M1616
65701921454 X M1616
80702071608 X M1618
100702271808 X M1618
125702572108 X M1618
150702942408 X M2018
200903432958 X M2020
* Stable pipeline fixed points and proper pipeline are required to absorb axial forces.
The rubber metal pipes are installed free of tension.
The mounting length should be 70mm, do not load on train, twist or bend position.
The installation should be in an easily accessible location where maintenance and inspection of the system is easy to do.

Additional seals are not required, since rubber protrudes at the sealing surface.
Keep the joint away from heat sources such as welding machines or sun light.
Do not assemble the joint directly in touch with rubber surface or other fitting.

4. Union Thread Connection Rubber Expansion Joint:
Standard Specification:
Max.Working Pressure2.0Mpa
Operating Temperature-20ºC-100ºC
Vacuum KPa (mmHg)101.3(760)
Applicable MediaSea Water, Drinking Water, etc.
Union StandardBSPT, NPT
Component Parts:
ItemPartMaterial
1Body Outer LayerNR, EPDM, NBR, FKM
2Body lnner LayerNR, EPDM, NBR, FKM
3Reinforced FabricNylon
4UnionZinc Plated/Sprayed Carbon Steel, Cast Iron, Bronze, Stainless Steel
NHFLEX-D TYPE Rubber Joint Size Chart:
SIZEMovement Capabilty
DNComp.Ext,LateralAngular
(mm)(mm)(mm)(mm)(degree)
202262245
252262245
322262245
402262245
502262245
652462445
802462445

* Pressure/Vacuum rating is based on neutral installed length(F/F)
Pressure rating is based on 30ºC operating temperature.The pressure rating is reduced at higher temperatures.
Weights in the above table are joints with BSPT Malleadble Cast Iron threaded  connections.
Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times "work pressure".
Normally, the connections are based on BSPT, NPT or other standards are available upon request.

Rubber Flexible Joint Professional Manufacturer: 
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Application

Compensating for Thermal Expansion and Contraction: Rubber expansion joints compensate for thermal expansion and contraction caused by temperature variations in the pipeline. They prevent excessive stress on the pipeline system due to temperature changes, thereby protecting the pipes from damage.

Absorbing Vibrations and Impacts: Rubber expansion joints absorb stresses caused by vibrations and impacts in the pipeline system, reducing the transmission of vibrations and noise. This helps protect the pipeline and related equipment from damage.

Compensating for Pipe Movements: During installation and operation, pipeline systems may experience certain degrees of pipe movement. Rubber expansion joints compensate for these movements, ensuring the proper functioning of the pipeline system.

Leak Prevention: Rubber expansion joints provide sealing performance in pipeline systems, reducing the risk of leaks and ensuring the safe operation of the pipelines.

Application:
Water, Sea Water, Fresh Water, Sewage Fluid, Warm Water, Weak Acid Fluid, Soda Fluid, etc. Pipeline
Connected with pumps, valves, firefighting equipment, HVAC system, etc.

 

Company Profile
Ningjin NINGHAO Machinery Co.,Ltd. Founded on No November 19, 2010. It is located in No.2 taishan road, econnmic and technological development zone, ningjin county, dezhou city, shandong province. It covers an area of 120 acres, with more than 80 employees, among has all kinds of advanced production and inspection equipment.

We can offer all kinds of rubber expansion joints. Our products include: single ball flexible rubber expansion joint, double sphere rubber expansion joint, rubber-metal pipe connectors, thread-connection rubber expansion joint and tie rods set for rubber expansion joint. Rubber expansion joint main material: EPDM ,NBR ,NR, FR. The standard of the flange: ANSI150, DIN, JIS10K. The flange material: carbon steel, stainless steel, casting steel.

We have been in exporting for many years. We have wide business relations in the world. Now the main supply countries: Spain, Italy, Netherlands, Austria, French, Vietnam, India and many other countries. Our customers and clients all think highly of us.

Last, looks forward to the cooperation with you sincerely!

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