MDG Equipment Co., Inc. is a Manufacturer's Representative and Stocking Distributor providing high quality products and services for water utilities within the states of Pennsylvania, New Jersey, Delaware and Maryland.
MDG has chosen the most respected manufacturer's in an effort to supply top quality products backed by world class service. We stock locally and provide on-site consultation so your project remains on-time, on-budget irrespective of the job size or complexity.

Our manufacturer's include:
PSI / Pikotek
PSI / Pikotek has been providing sealing and corrosion mitigation products to industry for over 40 years. The Original PSI/Thunderline/Link-Seal® Modular Seal is respected worldwide for superior sealing characteristics when the annular space between pipes and cement walls need to be positively sealed.
For the utmost in product performance, PSI / Pikotek uses the "system approach". When you choose Link-Seal® Modular Seals in combination with Century-Line® Sleeves you are guaranteed an engineered fit for a long term leak proof seal. In addition, PSI / Pikotek offers Cell-Cast® Disks, for larger wall openings (30" Ø and above) and Model WS Steel Wall Sleeves for high temperature applications.
MDG also handles PSI / Pikotek Model "C" (Coated) Casing Spacers, RangerII® Non-Metallic Casing Spacers and the Riser-Wrap® Sealing System.

Industry specialists for water,
wastewater and HVAC - pipe
installation, repair and rehabilitation.

Link-Seal® Modular Seal (black, EPDM) is suitable for use in water, direct burial and atomspheric conditions. Black composite pressure plates with either 2-part dichromate corrosion inhibiting coated bolts or stainless steel bolts per customer specification. Application shown in a cored or cast hole within a concrete wall.

Link-Seal® Modular Seal (blue, Low Durometer EPDM) is excellent for thin wall pipe or conduit, or fragile cylindrical objects. Black composite pressure plates with either 2-part dichromate corrosion inhibiting coated bolts or stainless steel bolts per customer specification. Application shown in a impact resistant HDPE Century-Line® Sleeve.

Link-Seal® Modular Seal (grey, Silicone) is ideal for temperature extremes. The "T" model is one-hour Factory Mutual approved. Steel pressure plates with either 2-part dichromate corrosion inhibiting coated bolts or stainless steel bolts per customer specification. Application shown in a Model WS steel sleeve.

Link-Seal®S61 Modular Seal (black, EPDM) is specifically designed for use with potable water. Blue composite pressure plates with stainless steel bolts. Application shown in a impact resistant HDPE Century-Line® Sleeve.

NSF/ANSI Standard 61 establishes minimum health effects requirements for the chemical contaminants and impurities that may be indirectly imparted to drinking water.
The Link-Seal modular seal® S61™ meets all criteria associated with NSF health effects testing, certification and production facility inspections. PSI / Pikotek registration confirms that NSF has assessed and certified the Model S61™ as conforming with the relevant NSF standards. For more information regarding NSF, visit www.nsf.org.
For the certification confirmation visit www.nsf.org/Certified/PwsComponents/Listings.asp?Company=C0051828&Standard=061.

Industry specialists for water, wastewater and HVAC - pipe installation, repair and rehabilitation.

Industry specialists for water,
wastewater and HVAC - pipe
installation, repair and rehabilitation.