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Summary of Contents for parr 4520
- Page 1 383M 4520 Bench Top Reactors Operating Instruction Manual...
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Page 2: Table Of Contents
Vessel Heaters Parts List....31 Installation ..........6 Pressure and Temperature Related Instructions Limits ..........6 The following Parr publications can be Assemble the Reactor......7 ordered to further your understanding of this Fixed Head or Removable Head instrument and its component parts: Vessel Design ........9... -
Page 3: Preface
These instructions describe the Electrical Ratings installation, operation and maintenance of Controller ratings are found in the Parr Series 4520 Bench Top Reactors Operating Instructions for the controller offered in one and two liter sizes. They supplied with your reactor and on the cover the basic steps to be followed for controller data plate. -
Page 4: Explanation Of Symbols
Parr Instrument Company in order to determine which part(s) may be Provisions for Lifting and Carrying replaced or serviced. The Series 4520 Bench Top Reactors and their components are very heavy. Ensure that any hot Before moving ensure all cables are surfaces have had disconnected. -
Page 5: Intended Usage
Parr that are suitable for its intended use. Parr Instrument Company. engineers will be glad to discuss available 3. Establish training procedures to ensure... -
Page 6: Installation
The standard material of construction than that of its lowest rated component. for Parr Instrument Company is Type 316 All Parr reactors show the maximum safe Stainless Steel. operating pressure and temperature Limits for vessels made of other materials imprinted on the cylinder. -
Page 7: Assemble The Reactor
Removable vessels are supported by the split rings which rest on the support plate. The stirrer drive connector lifts by The Parr Cooling output connector is to rotating and lifting the knob above the belt guard. The universal joint contains a... - Page 8 Parr Instrument Company 4520 Bench Top Reactors 7. Connect leads from accessory packages such as tachometer, pressure transducer and high temp cut-off to the designated positions on the back panel of the 4848 Controller. 8. Connect cooling water to the magnetic drive.
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Page 9: Fixed Head Or Removable Head Vessel Design
Parr Instrument Company 4520 Bench Top Reactors Parr Series 4520 1 & 2 Liter Reactors are furnished with two structural options in addition to the size, pressure range, stirrer motor, controller and similar options. These are: Fixed Head or Removable Head... -
Page 10: Identify The Valves
Parr Instrument Company 4520 Bench Top Reactors IDENTIFY THE VALVES point near the bottom of the cylinder. This is Gas Release Valve an angle pattern valve with an attached The gas release valve is mounted on an coupling which provides a socket for extension in a 1/8”... - Page 11 Parr Instrument Company 4520 Bench Top Reactors Pressure Gage Thermocouple Gas Inlet Valve Coupling for Gas Hose Plug (extra port) Connection Gas Release Valve Liquid Sampling Valve Adapter Bushings Stirrer Shaft Assembly Thermowell Adjustable Impeller Dip Tube with Nut Stirrer Support Bracket...
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Page 12: Other Head Fittings
Type J Thermocouple faces. A light coating of thread lubricant, A Type J thermocouple with a 1/8” dia. such as Parr No. 424HC2 High Temperature Stainless steel sheath is furnished with the Anti-Seize Lube, applied to the threads and reactor. Insert this thermocouple into the... -
Page 13: How To Use The Vessel
Parr Instrument Company 4520 Bench Top Reactors HOW TO USE THE VESSEL Sealing Vessels with O-ring Seals PTFE Gasket or O-ring Seal Moveable head vessels with O-ring seals It is important to examine the main seal include a split ring and a drop band. Place of the head and cylinder before running any the split rings around the head and cylinder. -
Page 14: Pressurizing The Vessel
Parr Instrument Company 4520 Bench Top Reactors material is heated. See the Safety HOW TO USE THE VESSEL Instruction Manual No. 230M for additional Continued details and potential hazards. For applications involving corrosive Withdrawing Liquid Samples gases the nylon hose should be replaced... -
Page 15: To Open The Vessel At Completion Of A Test
Parr Instrument Company 4520 Bench Top Reactors HOW TO USE THE VESSEL Continued To Open the Vessel at Completion Variable Speed Electric Motor Reactors are normally equipped with a of a Test DC variable speed motor supplied and Fixed Head Units: Lower the heater controlled through the Series 4848 and swing it out of the way. -
Page 16: Accessories
Internal Cooling Coils Glass or PTFE liners can be furnished to Cooling coils may be installed in any of fit most Parr reactors. These liners slide into these reactors. The heads of the one and the cylinder. Although they will not keep two liter vessels are drilled with 1/8”... -
Page 17: Air Motor
Parr Instrument Company 4520 Bench Top Reactors Air Motor If the motor becomes sluggish, flush it Variable speeds from 100 to 2000 rpm with a non-flammable solvent in a well can be obtained by replacing the standard ventilated area. Disconnect the air line and motor with an A1393HC air motor assembly. -
Page 18: Explosion Proof Operation
To eliminate suggestions that might be helpful. any possible spark hazard originating at the motor, Parr can furnish an air motor 4. The Wiring as described previously, or the reactor The wiring provided with the standard... -
Page 19: Periodic Pressure Tests
Parr Instrument Company 4520 Bench Top Reactors PERIODIC PRESSURE TESTS Each cylinder used in a Parr stirred Users who do not have pressure test reactor is tested under hydrostatic pressure facilities can return any Parr pressure vessel to 1.3 times its maximum rating before it is to the factory for hydrostatic testing and released from the factory. -
Page 20: General Maintenance Notes
3/8” IPS or larger. Fill the oiler surfaces. A light coating of thread with SAE 10 oil and adjust the oiler feed lubricant, such as Parr High Temperature one drop per minute into the air stream. Anti-Seize Lubricant, applied to the... -
Page 21: Parts Lists
Parr Instrument Company 4520 Bench Top Reactors PARTS LISTS Reaction Vessel Parts List Consult the itemized list for your reactor For parts made from alternate materials use provided along with this manual. For purpose of the codes shown below as a suffix to the reactor identification, the following standard part number. - Page 22 Parr Instrument Company 4520 Bench Top Reactors Part No. Description Code Part No. Description Code EXTERNAL FITTINGS SPLIT RINGS AND ACCESSORIES 94CAAD Plug, 1/4" NPTM A232HC Split ring pair with cap screws RVFG A122VB Needle Valve, 1/8" NPTM (Gas Sample)
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Page 23: Removable Head Style Parts Lists
Parr Instrument Company 4520 Bench Top Reactors Removable Head Style Parts Lists Front View Removable Head Flat Gasket - 23 -... - Page 24 Parr Instrument Company 4520 Bench Top Reactors Removable Head Flat Gasket - 24 -...
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Page 25: Fixed Head Style Parts Lists
Parr Instrument Company 4520 Bench Top Reactors Fixed Head Style Parts Lists Front View Fixed Head Flat Gasket Light Duty Footless Mag Drive - 25 -... - Page 26 Parr Instrument Company 4520 Bench Top Reactors Back View Fixed Head Flat Gasket - 26 -...
- Page 27 Parr Instrument Company 4520 Bench Top Reactors Fixed Head Flat Gasket - 27 -...
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Page 28: Overarm Parts List
Parr Instrument Company 4520 Bench Top Reactors Overarm Parts List Part No. Description Code Part No. Description Code MOTOR SHAFT COUPLINGS 1355EES Motor VS/PM130VDC 1/8 HP 2075HC Shaft Coupling .38, Universal (LD) A1554EES Motor VS/PM 130VDC 1/8 HP 2352HC Shaft Coupling .50, Universal... - Page 29 Parr Instrument Company 4520 Bench Top Reactors Overarm Assembly - 29 -...
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Page 30: Cooling Coil Parts List
Parr Instrument Company 4520 Bench Top Reactors Cooling Coil Parts List Part No. Description 2998HC10 Cooling Coil, Serpentine 1L 2998HC20 Cooling Coil, Serpentine 2L * Used in both top and bottom on the head. Change to A92HWAD Male Connector, T316SS*... -
Page 31: Vessel Heaters Parts List
Parr Instrument Company 4520 Bench Top Reactors Part No. Description Vessel Heaters Parts List A2256HC12EE Heater Assembly 1000W 230V 1L w/ Part No. Description thermowell A2256HC20EB Heater Assembly 1500W 115V 2L FOR FIXED HEAD VESSELS A2256HC20EE Heater Assembly 1500W 230V 2L... - Page 32 Revision 02/08/13...
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