Rubber Metal AV Mounts for Process Industry-Vibration Reduction Solutions

While, vibrations find applications in numerous industrial processes like shaking, mixing, polishing, sifting, sanding etc., unwanted vibrations exist as a dictates of physical laws governing the movement of mass back and forth from its static position. To improve the energy efficiency of process industry equipments involving machinery function through rotation of components , vibration control becomes a necessity . This transfer of vibrational energy to the surrounding structures, machinery /equipments and the people working there can be controlled through the use of vibration isolators or vibration dampers.

Rubber Metal AV Mounts find applications in two ways : 1. When the industrial equipment vibrates , it becomes desirable to contain transfer of vibrational energy to surrounding foundations. 2. When any precision equipments or vibration sensitive machinery needs to be protected from ground vibrations. High damping , cost effective elastomeric isolators manufactured by E & B Rubber Metal Products are available in varied load capacities , offering small deflection. ENB elastic supports decouple the structure from force inputs (machinery) , and cause the isolated system to be out of phase with the force inputs. Thus, these elastomeric anti vibration mounts achieve isolation by rearranging the excitation forces to achieve vibration reduction or cancellation. Further , vibration damping is achieved by the conversion of mechanical energy (vibrations) into heat through internal friction within the damping material.

These find application in all industrial equipments employed in process industries like 1. Bulk Material Handling Equipments 2. Food and Beverage Engineering 3. Offshore & Upstream Engineering 4. Oil, Gas and Chemical Industry 5. Pharmaceuticals 6. Sugar manufacturing units 7. Textiles 8. Steel and aluminium processing 9. Cement manufacturing and construction equipments

These Anti Vibration Mounts can be used in machines such as : Compressors Electric motors Refrigerators Fans Pumps Noise control enclosures Test cell equipment Combustion engines Converters Fans Rolling mills Paper machines HVAC Equipments Tow Trucks, Fork Lifters, Buggys & Electric Stackers Boilers etc. Please feel free to contact us on: E&B Rubber Metal Products Pvt. Ltd. 101, Priya Aptts, Sector-14, Rohini Delhi – 110085, INDIA Mobile: +91-9810760131, 9810554131 Phone: +91-11-27347982

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AV mounts for Pumps

AV Mounts for Pumps Dynamic forces of mechanical and hydraulic nature invariably are a major cause of unwanted vibrations in pumping machinery. Over the years , AV mounts for Pumps have become more of a necessity for several reasons 1. Lightweight construction of building make if more susceptible to vibrate and anti vibration mountings below the foundation bolts become necessary. 2. Space Constraints and valuable floor space lead to installation of HVAC equipment like pumps in upper floors or nearby the main living space, making vibration transmission a real annoyance. 3. The relationship between workplace comfort and productive efficiency can never be overemphasized and hence, vibration control a necessity. 4. Vibration sensitive quality control , testing and production machinery are often housed together to achieve manufacturing ease, yet making them susceptible to vibration transmission and inaccurate results. Higher vibration transmission are known to cause : 1. Structural and building vibrations 2. Reduced pump performance 3. Impaired service life of the equipment 4. Distortion to foundation, pipe anchors 5. Seal failures , breakage of drive-shafts, bearings etc. Of the multitude of mechanical, hydraulic or miscellaneous parameters or causes of vibration identified w.r.t. to inherent pump functioning elsewhere (1) , the most relevant to us seem to be pump machine setup (due to multiplicity of mounting bases) and the phenomenon of resonance. For the proper functioning and safety of the pump and ancillary components like motors -gear-driver-etc., it is important components have to be mounted on the same level to avoid alignment problems. Varied AVmounts or anti-vibration mountings supplied by ENB can help achieve the same. Also, isolation at equipment connects-piping, conduit , ductworks, etc. and isolation at building support points need to be considered.

Resonance- if the natural frequency of the machine or system is nearly equal to the frequency of the excitation , the resulting vibration can cause phenomenal damage. Hence, no natural frequency of the pump-engine-gear train and the supporting structure can lie in the typical operating speed range. Installing the pump-motor-supporting structure on ENB Vibration Isolation Pads help to reduce the natural frequency of the combine.

Even when the equipment is mounted directly on a rigid foundation, excessive structure vibration caused by absorption of vibration energy from the machinery can be contained by :

1. Modifying the rigidly mounted machine-foundation setup to increase or decrease the resonance frequencies so that it doesn't match the machine's operating frequencies.

2. Isolate the equipment from the structure through ENB vibration isolators .

Attention to simple, cost effective highly efficient vibration absorbing mount that can dissipate, absorb and insulate against vibrations during design and installation of pumping equipments saves costly retrofitting of vibration isolators and machinery downtime later on.
Our natural rubber av mounts provide static deflection of less than 5mm and hence are effective (isolation efficiencies greater than 90%) for equipment with driving frequencies greater than 25 Hz. Inherent damping of the elastomeric, provide good vibration control in most industrial applications. Salient features of ENB anti-vibration av mounts:

1) Highest vibration absorption and lowest set characteristics due to high natural rubber content.

2) ENB is a leader in rubber to metal adhesion and our processes are geared to enhance this adhesion for higher mount life under continuous vibration.

3) The fail-safe that we are employing in our EGA Series mounts are tested for Torque movement of top cup due to rotational motion. The EGA-105 (M16) is torque tested till 140 Nm.

4) The final finishing, quality and performance of the mounts are as per European standards.

5) Dome cover and zinc plated metal provides protecting against oil , fuel contamination and corrosion resistance.

1. Ravindra Birajdar , Rajashri Patil & Kedar Khanzode "VIBRATION AND NOISE IN CENTRIFUGAL PUMPS - SOURCES AND DIAGNOSIS METHODS" presented at 3 rd International Conference on Integrity, Reliability and Failure, Porto/Portugal, 20-24 July 2009 (link: http://paginas.fe.up.pt/clme/IRF2009/PROCEEDINGS/PAPERS/P0437.pdf)
   1. Garr M. Jones, PE, DEE, Robert L. Sanks, PhD, PE, "Pumping Station Design: Revised 3rd Edition", Butterworth-Heinemann, 2011 Please feel free to contact us on: E&B Rubber Metal Products Pvt. Ltd. 101, Priya Aptts, Sector-14, Rohini Delhi – 110085, INDIA Mobile: +91-9810760131, 9810554131 Phone: +91-11-27347982

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ENB Vibration Isolation Mounts are used to reduce the transmission of noise, shock, and vibration produced by mechanical, industrial or process equipment to the surrounding foundation structures.

E&B Rubber Metal Products Pvt. Ltd. is manufacturing these mounts in collaboration with Spanish Company – Talleres Egana. This new Indian entity – E&B Rubber Metal Products Pvt. Ltd. is manufacturing Egaña products in India. Egaña’s European standards of quality are being followed while manufacturing these mounts in India. All the processes and products of Egana are now being replicated with the same quality in India. Also, these mounts are commercially suitable for the Indian market. We started operations in the Indian market in 2010 and are supplying OEM supply orders for many diesel engine manufacturers, HVAC units, Generators, Pumps etc.

We offer Anti vibration Synthetic Rubber Pads, Metal to Rubber Bonded items, , anti vibration bobbins, anti vibration mountings , Rubberized Molded Products etc. to suit the needs of Lab Testing equipments and measuring instruments , Precision Machines, blowers, industrial fans, DG Sets, Machine tool industries, Transformers, Pumps and HVAC Industries- air condition equipments, small pumps, vent sets, etc.

The anti vibration rubber buffers have bottom surfaces designed to grip mounting surfaces and also bolt-down holes on the bottom load surface and a tapped metal top plate for attachment to the supported equipment as in Elastic Mounts Series EGA, Marine Mounts , Series EGABEK , Sofex Mountings, Series ETS.

Benefits :

1. Dimensionally accurate as per the international quality standards.
2. Robust construction and high durability

3. Lightweight products manufactured with high grade raw materials and latest machinery and processes.

4. Easy trouble free long life installation.

5. Low profile , sturdy construction and engineered anti vibration buffers for space restricted environments.
6. Available in varied rubber hardness to provide effective vibration isolation based on equipment loads. Hence, ENB anti vibration buffers offer protection against machinery impairment, shortened equipment life and annoying vibration transmission to adjoining industrial equipments , buildings and environment. rubber products, rubber washers, rubber washer, rubber mouldings rubber profiles, rubber strip, rubber strips, rubber moulding, industrial rubber, rubber packing, rubber fender, rubber suppliers, rubber parts, rubber buffers, rubber components, rubber buffer suppliers, anti vibration, anti vibration rubber, anti vibration mountings, dunlop anti vibration pads, anti vibration bushes, anti vibration products anti vibration bobbins, rubber anti vibration, anti vibration rubbers anti vibration bush, spring vibration isolators