Accessories
Catalyst Addition Device
Catalyst Baskets
Condensers
Coned Pressure Fittings
Controllers
Cooling Coils
Explosion Proof Apparatus
External Valves and Fittings
Gas Measurement Systems
--Intermediate Supply Tanks
--Mass Flow Meters
--Mass Flow Controllers
--High Pressure Gas Burettes
Heater Options
Insulated Electrical Glands
Liners
Liquids Charging Systems
--Liquid Metering Pumps
--Liquid Charging Pipettes
Pressure Gages
Pressure Hose
Safety Rupture Discs
Sample Collection Vessel
Solids Charging Systems
Spare Parts Kits
Split-Ring Closures
Stirrer Motor and Drives
--Stirrer Options
--Gas Entrainment Impellers
Temperature Limits
Thermocouples
Valves and Fittings
--Bottom Drain Valves
--Manual Control Valves for Compressed Gas Tanks
--Pressure Relief Valves
--Safety Check Valves
Windows
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A variety of insulated electrical leads can be installed in any Parr reactor or pressure vessel for electrical measurements or to supply power to an internal heater or other devices. Three different gland designs are available. These screw into a vessel and will have pressure and temperature ratings to match those of the vessel in which they will be used.
Transducer Glands
Transducer glands are used for applications requiring a number of small insulated wires in a single gland. Wire sizes from 14 to 24 gage are used to carry small currents and voltages in the millivolt range. A unique feature of this design is that multiple wires (up to 16) can be individually insulated through a single gland.
Electrode Glands
Applications requiring a single electrical conductor with current carrying capacities from 20 to 100 amperes and voltage ratings to 2000 volts can be handled with an electrode gland. These glands have a single conductor (or electrode) in sizes from 0.093 to 0.312 inches in diameter, with the ends of the conductor threaded so that internal and external lead wires can easily be attached.
Power Leads
Power leads can be provided with either single or multiple flexible wires in sizes from 14 to 18 gage. Current ratings range from 5 to 20 amperes at up to 600 volts. Either PTFE or ceramic insulation is available. Ceramic glands can be used to the full temperature rating of any Parr vessel. Pressure ratings will vary from 1000 to 10000 psi, depending upon the design of the gland, its size and the type of insulation used.
Miscellaneous Sensors
Parr has installed a number of different sensors in its various reactors and pressure vessels, including both single point and continuous liquid level sensors, pH electrodes and dissolved oxygen electrodes. Each of these installations must be carefully developed in consultation with the user, the electrode or probe supplier and the Parr Engineering Department. Glass electrodes with O-ring seals will obviously carry rather severe temperature and pressure restrictions. There are also space restrictions which generally dictate that accessories of this type can only be installed in 1000 mL or larger vessels.
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