Series 4660 Pressure Vessel Systems, 1 & 2 Gallon Specifications

Series 4660 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number4660
Approximate Volume, Gallon (Liter)1 (3.75)2 (7.99)
Maximum Pressure (MAWP)1900 psi (131 bar)
Maximum Temperature
with FKM O-Ring225 °C
with FFKM O-Ring300 °C
with PTFE Flat Gasket350 °C
with Flexible Graphite Flat Gasket350 °C
Vessel Details
Mounting StyleMoveable or Fixed Head
ClosureSplit-Ring (10 Compression Bolts, no Compression Bolts for O-ring)
Head Opening OptionsOne head opening (1/4″ NPT  or rupture disc assembly port)
Ports for valve, gage, rupture disc, and thermowell with thermocouple (VGR)
Custom port option (Contact our technical sales department to discuss options)
Maximum Head Options10 (Dependent on opening size, and required fittings)
Valve Connections1/4″ NPT Female
Pressure Gage, Size4.5″ Diameter
Range0-2000 psi (138 bar)
Temperature MeasurementThermowell
Cooling Coil (optional)Serpentine
Bottom Drain Valve (BDV) (optional)3/8″ NPT
Stand and Heater (optional)
Stand Type*Floor Cart with heater (moveable head only)
Floor Stand with Pneumatic Lift and heater (fixed head)
Heater Style, Bench Top HeaterCalrod
Heater Power, Watts22502750
Maximum Load, amps, 230V1012
*Heater watts and amps vary between different heater styles, contact Parr Technical Support for more information.
Weight & Dimensions
Cylinder I.D. x Depth, inches6.0 x 8.56.0 x 17.1
Vessel Assembly w/ Moveable Head
Weight, pounds**
Vessel Assembly w/ Fixed Head
Weight, pounds**
Cylinder Weight, pounds3352
** Vessel Assembly weight varies based on head configuration choice and fitting options.  Weights shown are based on vessels with valve, gage, rupture disc, thermocouple, and double valve assembly.

Other options available. See Ordering Guide or call for more information.