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  Welcome to Tri-State
Tri-State Technical Sales Corporation is the premier Distributor of industrial process control equipment servicing the Mid-Atlantic region of the United States. Our products and services are being used throughout the Chemical, Petroleum, Pharmaceutical, Power, Biotechnology, Pulp and Paper and Food Industries. For half a century, we have offered our Customers the best service available, quality products and highly-motivated, technically competent personnel equipped with the latest technologies. Tri-State is ready to fulfill your valve and instrumentation needs around the clock, 365 days a year by providing products from our large inventory housed in three locations. Our factory-trained field service group is well equipped to provide installation and repair services to meet your operational requirements.

Information and Product News
Fairchild announces the new Model 11 Low Pressure Precision Regulator:
  • Larger diaphragm area for higher accuracy, stability and sensitivity at low pressures

  • Higher flow capacity for quick response in low pressure operation

  • Compact size for better fit in panel boxes
ITT announces the availablilty of new sleeve materials for the Fabri-Valve 33PTA Fabri-Valve 33PTA Slurry Knife Gate Valves:
  • NBR (Nitrile Butadiene Rubber): Excellent resistance to petroleum based oils, greases and other non oxidizing chemicals as well as hydrocarbon based agents. Poor resistance to ozone and oxygenated solvents. Maximum operating temperature is 250F (121C).

  • HNBR (Hydrogenated Nitrile Butadiene Rubber): Same as NBR above, except with maximum operating temperature of 280F (138C).

  • Chlorbutyl: Good resistance to heat, oxygen, ozone and sunlight. Excellent resistant to alkalis and oxygenated solvents, water and steam. Poor resistance to hydrocarbon based agents. Maximum operating temperature is 230F (110C).

  • Neoprene: A general purpose sleeve material with resistance to mineral oils and greases. Fair resistance to abrasion. Maximum operating temperature is 180F (82C).
Rotork Fairchild launched their new HPD line of High Pressure Regulators:
  • Supply pressure capability up to 6000 psi [400 Bar]

  • Output ranges from 0-25 psi up to 0-500 psi [0-1.7 Bar up to 0-35 Bar]

  • All 316 Stainless Steel body and bonnet construction

  • Patent pending technology to provide a tightly sealed valve and seat

  • Inconel Diaphragms are standard

  • Handle gases or fluids
      We continually strive to provide exceptional service to accompany our extensive product line. View or download our brochure showing how Tri-State stands a step above the rest.
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