804-271-6811

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Ironworkers, Pipefitters & Millwrights

Industrial Process Piping

D & D Mechanical provides pipefitting services for all types of manufacturing equipment throughout a wide range of industries

D&D Mechanical, Inc. can handle any piping challenge, from industrial process to high purity piping systems. We fabricate, and install close tolerance process piping systems for use in the pharmaceutical, paper, manufacturing, chemical, food processing and power generation industries.

We carry both ASME “S” and NBIC “R” stamp authorizations which provide us with the authority to manufacture and assemble power boilers and associated components and pressure piping as well as to perform repairs and alterations to boilers and pressure vessels.

Our fabrication shop works with all pipe sizes. In addition to carbon steel and stainless steel we work with all alloys as well as aluminum, copper, FRP and plastic piping.

D&D Mechanical welders are proficient and ASME certified in TIG, MIG, SMAW & Orbital Welding techniques. Our methods of quality control include dye penetrant as well as X-Ray technologies for weld inspection.

Pipe Fabrication & Installation

Whether your plumbing projects require the use of materials such as Copper, Plastics, Cast Iron, Carbon Steel or Stainless Steel you can rest assured that D&D Mechanical, Inc is multi-faceted and has the expertise and experience to take care of your commercial plumbing & HVAC requirements. 

Our services include:

  • Gas line installation and repair
  • New construction plumbing
  • Replacement and repair of water heaters and boilers
  • Backflow certification, repair and installation
  • Medical Gases
  • Water systems
  • Plumbing systems

Whether your plumbing projects require the use of materials such as Copper, Plastics, Cast Iron, Carbon Steel or Stainless Steel you can rest assured that D&D Mechanical, Inc is multi-faceted and has the expertise and experience to take care of your commercial plumbing & HVAC requirements. 

Our services include:

  • Gas line installation and repair
  • New construction plumbing
  • Replacement and repair of water heaters and boilers
  • Backflow certification, repair and installation
  • Medical Gases
  • Water systems
  • Plumbing systems

If your piping projects require the highest standards of quality and safety through the use of orbital welding processes you can depend on D&D Mechanical, Inc. to provide everything required.  Our team of professional craftsmen offers years of experience in orbital welding techniques and know how to get the consistent quality and superb weld appearance and performance that orbital welding was developed to provide.

Automated orbital TIG welding is utilized in a wide variety of industrial applications today where high quality welds are necessary.  These include food and beverage, pharmaceuticals, chemical processing, biotechnology, aerospace and power generation with new applications being added on a regular basis.

D&D Mechanical has the ability to produce direct fusion welds with enclosed weld heads for the optimum in weld environment control.  In the event your project requires heavy wall tubing or even pipe we utilize open weld heads with wire feed to produce the highest quality welds. We have the right personnel and equipment to handle orbital welding for your project.  Our in house orbital welding capacity ranges from 0.375” OD through 6.625” OD with other sizes available when required.

D&D Mechanical, Inc. can provide orbital welding of carbon steel, stainless steel and a variety of alloys throughout a wide range of industrial applications.  If you have questions regarding whether or not orbital welding is the correct choice for your application or if you want to discuss our fabrication and field capabilities please do not hesitate to contact us.

D&D Mechanical, Inc. has extensive experience on HVAC projects of all sizes. Our HVAC Division is staffed with a team of exceptional craftsman that bring a vast array of experience and skill in the installation of the Hydronic HVAC Systems.

Our skilled craftsman handle installation and refurbishment in a manner that will respond to your priorities and concerns by communicating, avoiding delays and completing complex tasks on schedule.

  • Services
  • HVAC
  • Fan Coils and Blowers
  • Air Handling Units
  • Unit Heaters
  • Cooling Towers
  • Industrial Ventilation
  • Chillers
  • Chilled Water Piping & Circulation Systems

D & D Mechanical is trained and certified in Medical Gas Installation. Our Medical Gas craftsmen perform work in accordance with the American National Standard for Health Care Facilities (ANSI-NFPA 99). All systems are maintained oxygen clean and then purged with nitrogen prior to close. All Medical Gas systems must be certified by an independent third party inspector. D & D Mechanical understands the great significance placed on the capabilities of the people involved with these systems and the importance of proper understanding of the current codes, standards, and procedures.

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