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Parr Instruments

Parr Instrument Company, established in 1899 in Moline, Illinois, is a world leader in high‑pressure reactors, calorimeters, and custom laboratory systems. Built to ISO 9001:2015, ASME, PED, and CSA standards, Parr products deliver the precision, durability, and safety demanded by chemical research, pharmaceuticals, energy testing, and materials science.

 

Featured Parr Equipment

  • High‑Pressure Reactors – Bench‑top, floor‑stand, and multi‑reactor systems rated up to 5,000 psi and 500 °C for catalyst, polymer, and high‑temperature research.

  • Calorimeters – Oxygen bomb, isoperibol, and micro‑calorimeters for accurate energy testing in fuels, food, waste, and explosives.

  • Systems & Accessories – Tubular/fluidized‑bed reactors, digestion vessels, acid bombs, and filtration units for specialized lab needs.

Why Choose HiTechTrader for Parr Instruments?

  • Lower Costs – Save with used and refurbished Parr equipment at a fraction of new prices.

  • Quality Assurance – Every unit is tested and backed by a 30‑day limited warranty.

  • Fast Turnaround – In stock inventory ships quickly to reduce downtime.

  • Proven Experience – Serving laboratories worldwide since 1982.

 

Find your next Parr reactor or calorimeter today. Browse HiTechTrader’s live inventory to view Reactors, Automatic Calorimeters, and more. 

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  • New
    Parr 5103 Glass Reactor

    Parr Instruments

    Parr 5103 600 ML Glass Low Pressure Chemical Reactor

    Parr 5103 600 mL Low Pressure Glass Chemical Reactor Precision Synthesis with Real Time Visual Monitoring The Parr 5103 600 mL Low Pressure Glass Chemical Reactor is the ultimate solution for precise chemical synthesis at low to moderate pressures,...
    $7,000.00
  • New
    Parr 600 ML Hast C reactor for high pressure and temperature reactions

    Parr Instruments

    Parr 4568 600 ML Hast C Chemical Reactor High Pressure

    Parr 4568 600 mL Hastelloy C High Pressure Chemical Reactor Reliable, High-Performance for Demanding Chemical Reactions The Parr 4568 600 mL Hastelloy C High Pressure Chemical Reactor is engineered to handle the most demanding high-pressure and...
    $19,999.00
  • New
    Parr 2 Gallon Reactor Stainless Steel Parr Instruments 4552 Chemical Reactor High Pressure High Temperature

    Parr Instruments

    Parr 1 Gallon 4551 Stainless Steel Chemical Reactor on moveable cart

    Parr Model 4551 3.785 Liter High Pressure Reactor Manufactured by Parr Instruments this Model 4551 1 gallon reactor has a material grade of stainless steel. A 1-gallon high-pressure high-temperature (HPHT) Parr Reactor is an essential tool for advanced...
    $26,000.00
  • New
    5524 Compact Lab Reactor Full Set Up 5524 Compact Lab Reactor with 100mL Pressure Vessel

    Parr Instruments

    Parr 5524 160 mL Hastelloy C-276 Compact Lab Reactor

    Parr Series 5500 HP 160 ml Chemical Reactor Hast C Manufactured by Parr Instruments, this model 5524 is 160 ml in volume, and all the wetted parts are Hast C ( Hastelloy C-276 ). A Parr 100 mL Hastelloy C reactor is the ideal choice for laboratory-scale...
    $10,000.00
  • New
    Parr 4531 Floor Stand 1 Liter Hast C Pressure Reactor Parr 236HC10 Hast C 1 Liter Reactor Vessel

    Parr Instruments

    Parr 4531 Hast C 1 Liter High Pressure Reactor with Stirring

    Parr Instruments 1000 ML Hast C Chemical Reactor Manufactured by Parr Instruments this floor standing pressure reactor model 4531 has all wetted parts constructed of HASTELLOY C-276 ( Hast C). The volume is 1 Liter or 1000 ml.  Specifications for...
    $25,000.00
  • New
    236HC20 Non-Stirred Reactor Parr 2 Liter Nickel Non-Stirred Pressure Vessel

    Parr Instruments

    Parr 2 Liter Nickel Non-Stirred Pressure Vessel

    Parr 2 Liter Nickel Non-Stirred Pressure Vessel The 236HC20 is a non-stirred pressure reactor manufactured by Parr Instrument Company. It features a 2000 mL cylinder with a depth of 10.44 inches, constructed from Nickel 200 alloy for excellent corrosion...
    $3,000.00
  • New
    Parr 2 liter Hast C Parr Instruments 2000 ml Chemical Reactor High Pressure 2000 psi

    Parr Instruments

    Parr Pressure Reactor 236HC20 Hast C 2000 ml High Temperature

    Parr Model 236HC20 Chemical Reactor 2 Liter Manufactured by Parr Instruments this classic 2 Liter Model 236HC20 has a material of construction of Alloy C276 otherwise know as Hast C. The choice between stainless steel and Hastelloy C-276 depends on...
    $25,000.00
  • New
    Parr 450 mL T316 Bomb Reactor Parr 450 mL T316 Bomb Reactor with safety relief

    Parr Instruments

    Parr Model 4767 450 mL T316 Non-Stirred Chemical Reactor

    Parr Series 4760 450mL stainless steel Non-Stirred Reactor Manufactured by Parr Instruments this 4767 reactor, has a Model 452HC2 reactor vessel with the 453HC reactor head is a non-stirred pressure reactor system designed for high-pressure and...
    $1,500.00
  • Parr 4622 Nickel Non Stirred Reactor high pressure Parr 4622 Nickel Non Stirred High Pressure Reactor Head

    Parr Instruments

    Parr 4622 Nickel Ni200 2 Liter High Pressure Vessel Non Stirred

    Parr 4622 Non Stirred Ni200 Nickel Pressue Vessel  Manufacture by Parr Instruments the 2 liter has a rating of 1100 psi @ 300 C. The material of constuction for head, cylinder and internal wetted parts is Alloy Ni200 ( Nickel ) External valves and...
    $9,500.00
  • Parr 4600 Non Stirred Monel high pressure vessel

    Parr Instruments

    Parr 4621 M400 Monel 1 Liter Pressure Vessel

    Parr 4600 Non Stirred m400 Monel Pressure Vessel  Manufacture by Parr Instruments the 1 liter has a rating of 2000 psi @ 350 C. The material of construction for head, cylinder and internal wetted parts is Alloy 400 M400 ( Monel ) A 1-liter...
    $4,000.00
  • Parr 4584 Chemical Reactor Hast C 1.5 gallon Parr Hast C Coil and stirring

    Parr Instruments

    Parr 4584 High Pressure Chemical Reactor 5500 ml Hastelloy C276

    Parr Hast C 1.5 Gallon High Pressure Reactor Manufactured by Parr Instruments this model 4584 is the top of the line in the 4580 HT Reactor series. This is a fixed head unit with a working pressure of 3000 PSI. With the standard FG Flat Gasket, the high...
    $65,000.00
  • Parr 5 Gallon batch non stirred chemical Reactor Parr Titanium (Ti ) High Pressure chemical reactor

    Parr Instruments

    Parr 4555 5 Gallon Titanium Pressure Chemical Reactor

    Parr Instruments 4555 19 Liter Chemical Reactor Manufactured by Parr Instruments this is Model 4555 floor standing reactor. Capacity is 5 gallon / 18.9 Liters. This is not a stirred chemical reactor, however it can be upgraded to a stirred reactor for...
    $45,000.00
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