Rubber Molding/

Rubber Diaphragms

Rubber diaphragms are flexible seals that prevent unwanted transmission of substances between two places. These substances can be liquids, gasses or solutions. Molded rubber diaphragms are characteristically tough, versatile and dynamic. Typically, rubber diaphragms act as a barrier between two areas; they are essential in many flow control applications.

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Timco Rubber Products, Inc.
Cleveland, OH
800-969-6242
Timco Rubber is a specialized supplier for molded rubber parts and extrusions. They provide superior quality, high performance and complete solutions to all their customers. Providing the widest selection of products, including rubber diaphragms, they work with you to find what you need, and if they can't they will create a custom product to your specifications.
 
Enterprise Rubber, Inc.
Akron, OH
888-361-7018
Enterprise Rubber is a leading specialist in rubber parts. From the rubber diaphragms you may be searching for to a much more complex custom part, they have what you are looking for. Solving all of your product needs, even bonding the rubber to metal, Enterprise will help you design the product desired, and make it for you with the highest quality products and customer satisfaction.
 
RD Rubber Technology Corporation
Santa Fe Springs, CA
562-941-4800
Since 1986, RD Rubber Technology Corporation has been specializing in precision molding of products including rubber diaphragms. They even offer custom molded rubber components with many different features. These include clean room molding, precision tolerances, rubber to metal bonding, grinding capabilities of rubber and metal and in-house deflashing.
 
Da/Pro Rubber, Inc.
Broken Arrow, OK
918-258-9386
Da/Pro Rubber is committed to providing quality on a continuous basis. They work hard to improve their capabilities through emphasizing customer satisfaction. For rubber diaphragms and all other parts they offer design assistance to make sure it meets all specifications. They provide compound development, laboratory testing, mold construction, sub-assembly and full service quality assurance.
 
Accurate Products, Inc.
Chicago, IL
800-782-7776
Accurate Products goal is to be the premier manufacturer and distributor when it comes to both standard and custom rubber parts. From your rubber diaphragms to much more complex projects, let them show you their eagerness to outperform your expectations when it comes to customer service, delivery, quality and pricing. They want to work with you to grow long term and profitable partnerships.
 
Pierce-Roberts Rubber Co.
Trenton, NJ
609-394-5245
Pierce-Roberts facility is equipped with state-of-the-art climate-controlled labs to provide the highest quality products, such as rubber diaphragms, for their clients. They are capable of handling any size job, and if they don't have what you are looking for, they will help make custom designs to make sure the product will meet all of your specifications and requirements.
 

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Rader Products, LLC
Alpharetta, GA
678-455-8781
Rader Products is a committed team specializing in the field of compression as well as injection molding of rubber and plastics. For your next rubber diaphragms, send Rader your prints and they will deliver a quote as fast as they can. Manufacturing standard and custom parts, they do everything they can to process your order and deliver it to you as quickly as possible and at a reasonable cost.
 
Ebco® Inc.
Elgin, IL
847-531-9500
Ebco's goal is to not only win customers, but to retain them as well. They accomplish this by exceeding their expectations when it comes to services, technical support, quality, pricing and delivery. So the next time you are in the market for rubber diaphragms, be sure to give Ebco a call so they can find exactly what you are looking for. For the extra tricky jobs, they offer custom products.
 
Advanced Rubber Products
Wyoming, NY
866-811-7383
For quick production from concept to reality contact Advanced Rubber Products. Their engineering, quality, and production staff will develop your products, such as rubber diaphragms, as fast as possible and at a low cost. They know that being in a demanding market requires quick turnaround, so that's what they offer here. For all industries, and all standard and custom products, call ARP.
 
VICONE High Performance Rubber Inc.
Saint Eustache, QC
877-842-6632
At Vicone, each part received will go through their in-house quality system to be certain that all quality levels and specifications have been met. They want to provide each client with only the best products, from rubber diaphragms to much more complex items. They offer many options including a variety of materials, large and small items, a variety of color options, and many other capabilities.
 
Premier Seals Manufacturing
Akron, OH
877-771-6766
Premier Seals Manufacturing aims for the highest standards in all areas of its business including consulting, expedited deliver, material selection, packaging/shipping, customer service, custom tooling and molding, various forms of cutting and extruding. From your basic rubber diaphragms to much more complex items, they will work closely with you to find the best solution.
 

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Jet Rubber Company
Rootstown, OH
330-325-1821
Jet Rubber Company is dedicated to meeting your technical specifications, delivery schedules and cost projections. Since 1955 they have been working to provide the highest quality products from standard rubber diaphragms to complex custom jobs. They specialize in custom molded rubber and rubber to metal components. They will work hard to provide the best service to their valued customers.
 
Britech Industries
Stuart, FL
772-286-9278
Britech Industries has a large product list, including rubber diaphragms. They are constantly expanding and improving their capabilities to accommodate all customer needs. They have numerous items stocked and available to ship in one or two days. In addition to this they have standard molds ready for speedy production, and are also capable of creating custom molds and products.
 
Reliant Rubber Company
Wake Forest, NC
800-875-7376
Reliant Rubber provides customers with a wide range of services. These include design, engineering, part number stamping and stencil, assembly, packaging, expedited delivery, material selection, consulting, custom tooling, various cutting methods, extrusion, and molding. From simple standard parts, such as rubber diaphragms, to complex and intricate custom jobs, they have what you need.
 
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Industry Information

Rubber Diaphragms

Rubber diaphragms are commonly constructed from elastomers such as silicone, natural rubber, viton, fluoroelastomers, flurosilicone, styrene butadiene rubber (SBR), nitrile rubber (NBR) and EPDM rubber. Every variety of rubber features its own tolerance for pressure, and no two rubber materials are identical in terms of chemical reactivity. A given rubber diaphragm will be usable in pressure switches, flow regulators, activation mechanisms, fluid control valves, pumps and accumulators. However, an EPDM rubber diaphragm will not be useful in regulating fuel pressure, as EPDM breaks down when exposed to petroleum products. Nitrile rubber, on the other hand, can easily withstand prolonged contact with fuel. All kinds of industries make use of rubber diaphragms; just a few examples are the automotive, petrochemical, pharmaceutical, food processing, industrial and textile industries.

Three main fabrication methods account for most of the rubber diaphragms produced on an industrial scale: compression molding, injection molding and transfer molding. Compression molding squeezes raw rubber material in a heated mold cavity; this ensures that the rubber will come into contact with every surface in the mold cavity. Transfer molding is similar to compression molding, except that the raw rubber is first placed in a heated transfer chamber until it is liquefied, then it is pressed into the heated mold by a plunger. Injection molding is the most common method as it can produce high-quality parts in high-volumes with short production times. There are several different types of rubber diaphragm configurations, the most common of which are flat, top hat, and dish shapes. Flat rubber diaphragms offer a limited stroke capability and are made from various rubber materials. Top hat diaphragms offer the longest stroke capability, but they are limited by their height. Dish shape diaphragms have a sidewall that slopes gradually that allows them to be flexed in both directions. Whether a rubber diaphragm is compression molded, transfer molded or injection molded, the only limit to diaphragm design is its engineer's budget and creativity.

Rubber Diaphragms
Rubber Diaphragms Image Provided by Timco Rubber Products, Inc.