Single Ball Cast Steel Rubber Bellows Expansion Flexible Joint Compensator NBR EPDM Pipe Fittings Co

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.

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.

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:

  SIZE LENGTH Movemont Capablllty DN F/F Comp. Ext. Lateral Angular   (mm) (mm) (mm) (mm) (mm) (degree)   32 95/130/152 9 6 9 15   40 95/130/152 10 6 9 15   50 105/130/152 10 7 10 15   65 115/130/152 13 7 11 15   80 130/152 15 8 12 15   100 130/152 19 10 13 15   125 130/152/170 19 12 13 15   150 130/152/180 20 12 14 15   200 130/152/205 25 16 22 15   250 130/203/240 25 16 22 15   300 130/203/260 25 16 22 15   350 203/265 25 16 22 15   400 203/265 25 16 22 15   450 203/265 25 16 22 15   500 203/265 25 16 22 15   600 265 25 16 22 15

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.

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:

  SIZE LENGTH Movemont Capablllty DN F/F Comp. Ext. Lateral Angular   (mm) (mm) (mm) (mm) (mm) (degree)   40 175 10 20 20 30   50 175 10 20 20 30   65 175 10 20 20 30   80 175 10 20 20 30   100 225 15 30 25 30   125 225 15 30 25 30   150 225 15 30 25 30   200 325 20 40 30 30   250 325 20 40 30 30   300 325 20 40 30 30   350 350 20 40 30 30   400 350 20 40 30 30   450 350 25 45 30 30   500 350 25 45 30 30   600 350 25 45 30 30

Standard Specification:

Max.Working Pressure1.0Mpa Operating Temperature-20ºC-100ºC Applicable MediaSea Water, Drinking Water, etc. Flange StandardDIN PN10 PN16

ItemPartMaterial 1BodyNR, EPDM, NBR 2FlangeCast Steel

NHFLEX-C TYPE Rubber Joint Size Chart:

SIZE LENGTH DIN PN10 L1 DN F/F D D1 n-M (mm) (mm) (mm) (mm) (mm) 20 70 109 75 4 X M12 12 25 70 119 85 4 X M12 16 32 70 145 100 4 X M16 16 40 70 156 110 4  X M16 16 50 70 171 125 4 X M16 16 65 70 192 145 4 X M16 16 80 70 207 160 8 X M16 18 100 70 227 180 8 X M16 18 125 70 257 210 8 X M16 18 150 70 294 240 8 X M20 18 200 90 343 295 8 X M20 20

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

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:

SIZE Movement Capabilty DN Comp. Ext, Lateral Angular (mm) (mm) (mm) (mm) (degree) 20 22 6 22 45 25 22 6 22 45 32 22 6 22 45 40 22 6 22 45 50 22 6 22 45 65 24 6 24 45 80 24 6 24 45

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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.

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!