Seals, Actuated, Air, Diaphragm, Pump, Valve, O Ring, Compressor, Seal, Viton, High Pressure, Actuator


Composite Diaphragms, High Strength Seal, Inserted Diaphragms, Pneumatic Actuated Diaphragm Valves, Top Hat Diaphragms

Diaphragm Design & Engineering Services

Diaphragm Design

Dia•Com Design Engineers routinely work with our customer engineering personnel to transform application concepts first into fully functioning prototypes, and, ultimately, into production units. Our experience and background allow us to cost-effectively provide a diaphragm that meets or exceeds all customers' diaphragm expectations. Using AutoCad drafting software, we are able to communicate electronically with our customers to accelerate the design process.

Existing diaphragm applications sometimes do not perform as well as intended. Our technical staff is available as an aid to our customers to analyze performance issues, offer hardware recommendations, and to assist in root cause analysis and the implementation of permanent corrective actions. Application Data Form

Dia•Com has developed two design tools that can be used to assist engineers in the basics of diaphragm design. Our Diaphragm Design Catalog is a complete, hard-copy description of diaphragm theory, diaphragm design, basic materials properties, hardware recommendations and standard tooling lists. Our Dia•Soft® design software can provide similar information at your computer and can walk you through the basics of a diaphragm design. Using the Dia•Soft software, you can develop a print of your diaphragm concept. Both the Diaphragm Design Catalog and the Dia•Soft design software are available at no charge.


Using AutoCad drafting software, our technical staff can make suggestions to improve a company's diaphragm application exceed expectations.

Materials Lab

Constantly striving to improve existing applications, meet the demands of new programs, and troubleshoot application issues, Dia•Com has established a Rubber Materials Lab that gives us significant rubber-testing capabilities.

Using ASTM standard procedures, we are able to obtain physical properties, such as, tensile strength, elongation, modulus, durometer, tear strength, compression set, and rheology data, such as, viscosity, cure times, scorch data, etc.

We are also capable of running a variety of chemical compatibility testing, heat aging, volume swells, etc. using ASTM standard testing procedures, and we can run customer-specific tests.

Part of our Materials Lab is a 16"(406 mm) 2-roll mill that gives us an in-house mixing capability that allows us to deliver new, custom rubber compound formulations. Combining this test capability with our technical expertise allows us to provide materials that meet customer specifications, ASTM material call-out and other certification bodies, such as, UL or NSF.

Our diaphragm pump Materials Lab has a 2-roll mill and can run chemical compatability testing using ASTM standard procedures.

Dia•Com Tool Manufacturing Capabilities

As of August of 2003 Dia•Com has added a new tool manufacturing shop to our capabilities. The new tool shop and its experienced staff now allow us to produce the majority of our tools in-house. This new addition also allows for many new efficiencies. We can now offer less expensive tools, rapid prototyping, and an expedited lead time on parts that require new tooling.


Rapid prototyping of diaphrgam and rubber gasket designs now handled with our in-house tool manufacturing shop.

Diaphragm design manual as a PDF document

Design Manual PDF


Related Diaphragm Products:

  • diaphragm pump
  • diaphragm pressure gauge


Dia•Com is a leading international provider of innovative, cost-effective molded diaphragm solutions critical to the operation of essential systems and equipment in industrial, automotive, aerospace, medical instrumentation, and food and water processing applications. The company's reputation for excellence is based on superior quality in the design, manufacture and application of its high-performance, state-of-the-art, fabric-reinforced and homogeneous elastomeric rubber seals. Our custom engineered solutions are found in many products today, including diaphragm pumps, rubber seals, pneumatic diaphragm pumps, high pressure diaphragm pumps, viton gaskets, diaphragm carburetor, diaphragm pressure gauges, diaphragm vacuum pumps, diaphragm air compressors, diaphgram fuel pumps and diaphragm metering pumps.


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