SAGAR RUBBERS HOMEPAGE

 

Common Elastomers

NITRILE (Buna N) - Nitrile formulations exhibit good mechanical and physical properties. They are resistant to most non-aromatic petroleum-based fluids and gases, and have been used in most industrial, automotive, and off-the-road equipment for many years. Their usable temperature range is -65Fƒ to +225Fƒ .

FLUOROCARBON ( Viton and Fluorel) - These versatile elastomers have excellent mechanical and physical properties, and outstanding resistance to aromatic fuels, high temperature synthetic lubricants, and many of the new fire resistant inclustrial fluids. They can withstand prolonged exposure to temperatures of 450Fƒ in fluid service, and limited exposure to much higher temperatures.

CHLOROPRENE (Neoprene) - These elastomers have moderate resistance to Petroleum based oils over a temperature range of -65Fƒ to +250Fƒ, and good resistance to weathering and ozone.

SILICONE - Silicone materials are recommended for applications requiring a wide temperature range and good dry heat resistance. Their temperature range is from -80Fƒ to +450Fƒ, the widest of any commercial elastomer. They also have good weathering and ozone resistance, and moderate oil resistance.

 

ETHYLENE PROPYLENE - These elastomers first came Into prominent usage as seals for Skydrol fluids used in commercial aircraft hydraulic systems. Ethylene propylene compounds have grown in importance over the past few years, and now are used in systems involving hot water, steam, and phosphate ester fluids. They are also resistant to mild acids, alkalis, and ozone. Their effective temperature range is -65Fƒ to +300Fƒ.

 

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Hydraulic Seals & Pneumatic 

Seals

 

Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, W, piston, and flange packings. Hydraulic seals and pneumatic seals are designed for the reciprocating motion that is common in hydraulic and pneumatic applications, such as cylinders.  Hydraulic seals are designed for high-pressure dynamic applications such as hydraulic cylinders. Pneumatic seals are used in pneumatic cylinders and valves and generally are designed for lower operating pressures than hydraulic seals. Pneumatic applications also typically demand higher operating speeds and lower friction seals than hydraulic applications.  These seals may be used for rotary and reciprocating motion.  Some hydraulic seals and pneumatic seals are composite. Composite seals are two- or multi-part seals manufactured as an integral unit. A typical composite seal consists of an integral PTFE ring and elastomer ring, providing the properties of an elastomeric ring with a rigid, low friction (PTFE) working face. These seals can have a variety of different cross sections. Some forms of composite seals are also referred to as polyseals, wedge-action seals, crown seals and tri-seals (3 part seals).  

Common sealing orientation and directions for hydraulic seals and pneumatic seals include internal or rod seal, external or piston seal, symmetric seal, and axial seal.  Rod seals are radial seals.  The seal is press-fit into a housing bore with the sealing lip contacting the shaft. Also referred to as a shaft seal.  Piston seals are radial seals.  The seal is fit onto a shaft with the sealing lip contacting the housing bore. V-rings are considered external lip seals.  Symmetric seals are symmetrical and works equally well as a rod or a piston seal.  An axial seal seals axially against a housing or machine component.  Sealing direction pertains primarily to hydraulic and pneumatic seals that are used in applications with axial motion, such as cylinders and pistons.  The action can be single or double.  Single acting, or unidirectional seals, offer an effective seal in one axial direction only.  In order to seal in both directions for a reciprocating motion, more than one seal must be used.  Double acting, or bi-directional seals, are effective when sealing in both directions.

Important dimensions to consider when specifying hydraulic seals and pneumatic seals include shaft outer diameter or seal inner diameter, housing bore diameter or seal outer diameter, axial cross section or thickness, and radial cross section.  Important service limits parameters to consider include maximum operating speed, maximum operating pressure, vacuum rating, and operating temperature.  Rubber sealing element or lip material choices for hydraulic and pneumatic seals include ethylene acrylic, EDPM, fluoroelastomer, fluorosilicone, nitrile, nylon or polyamide, polychloroprene, polyetheretherkeytone, polyoxymethylene, polytetrafluoroethylene, polyurethane or urethane, and natural rubber.  Metallic choices include sintered bronze, cast iron, and stainless steel.  Other materials include felt and leather.  Many seal manufacturers use their own proprietary material.  Consult with manufacturer for proprietary material specifications.  Common features for hydraulic seals and pneumatic seals include spring loaded, integral wiper, and split seal.

 

Rubber Diaphragm

 Rubber Diaphragms are resistant to a variety of media at different pressure. Its function is to fulfil switch control, valve, pump and accumulator

   functions. Diaphragms are sealing & moveable dividing membranes between two components. We are manufacturing Diaphragms with nylon Cloth

   inserted also.
 

Rubber Gaskets

 

Gaskets are generally used in varied industries to fill spaces between the two objects and hence prevent leakage between the two objects while under compression. Our exhaustive range encompasses varied gaskets manufactured from fine quality rubber. Along with their high durability, they have the capacity to withstand high compressive loads. All our products adhere to the international quality standards and are accredited with several quality certifications.
We are equipped with state of the art gasket cutting machinery. We can manufacture to your exact specifications with precision, quality, impeccable service and the best pricing available. We can manufacture your gaskets out of an array of different materials. Please contact our sales department for a quote today!

 

Tyre Coupling

 

The tyre couplings that we supply are of top quality and are available in different sizes and designs that suit our clients’ requirements. We manufacture these from superior quality rubber material. These couplings can accommodate simultaneous maximum misalignment in all planes without imposing excessive loads on adjacent bearings. Having superb shock-absorbing properties like flexible tyre these couplings reduce vibration and torsion oscillations. The Tyre coupling is primarily designed to allow for misalignment both angular and parallel and compensates for end float. Torsional vibration is reduced and shock loads minimized by the flexing body. The coupling has been successfully subjected, under normal circumstances, to angular misalignment up to 4°, parallel misalignment up to 3mm and end float up to 8mm. The design of the coupling having a flexing member with remarkable durability suppresses the Initial shock load and eliminates to a marked degree the stresses common to power driven machinery.

     Rubber Bellows

 

Bellows are used in automobiles and in various other industrial applications. These bellows are made from very high tensile strength rubber. The bellows and couplings we manufacture are highly effective in maintaining the continuity along the pipes, for sealing critical machine components or equipment where dust proofing is of utmost importance, etc. These products are acclaimed for their versatility in various sealing and fitments applications owing to their high degree cushioning properties. We have a range of standard coupling and bellows that are ready-fit, however we are capable to custom manufacture as per the requirements of our customers.

 

Industrial Rubber Rollers

We design and develop a wide range of rubber rollers that are heavy duty and are PU coated. Made from premium quality rubber, these are durable and have a longer life. Our rubber rollers find their application in different industries like Steel, Paper, Textile, Printing, Plastic, Lamination, Cement and other industries.

 

Expansion Joints

          

At Popular Rubber Products we manufacture Expansion Joints or Compensator, which are flexible rubber elements (combined with metal and / or textile reinforcements) useful for conveying fluids and absorbing movements between sections of pipeline. With a correct design they are able to absorb axial, safety and insulation against noise and vibrations.

Rubber Profiles

     We manufacture quality rubber profiles that serve as sealing components with anti friction qualities for the smooth operation of windows. The abrasion resistance parameters that are the key measures of quality of these components are tested in-house. Our rubber profiles are used in Automobile and Construction Industry, in order to reduce friction and smooth sliding of glass of windows as well as buffer.

 

Lip Oil Seals

Our Lip oil seals are available in scores of shapes, sizes and designs. Our seals can fit shaft sizes over a wide range. They are used to retain lubrication and exclude dirt & moisture. The range of lip seals includes:

•       Flexible Lip
•       Rotary Shaft
•       Single Lip
•       Multiple Lip
•       Lip Seal
•      Metal Clad Seals
•       PTFE Oil Seal