Series 4650 High Pressure/High Temperature Vessels, 250-1000 mL Specifications

Series 4650 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number 4650
Approximate Volume, mL 250 500 1000
Maximum Pressure (MAWP) 5000 psi (345 bar) @ 500 °C
6000 psi (413 bar) @ 350 °C
4200 psi (289 bar) @ 600 °C
Maximum Temperature
with PTFE Flat Gasket 350 °C
with Flexible Graphite Flat Gasket 500 – 600 °C
Vessel Details
Mounting Style Moveable or Fixed Head
Closure Split-Ring (8 Compression Bolts)
Head Opening Options Ports for valve, gage, rupture disc, and thermocouple (VGR)
Custom port option (Contact our technical sales department to discuss options)
Maximum Head Openings 7 (Dependent on opening size, and required fittings)
Valve Connections  1/4″ NPT Female
Pressure Gage, Size 4.5 inches
Range 0-5000 psi (345 psi) or 0-7500 psi (517 bar)
Temperature Measurement Thermowell
Cooling Coil (optional) Single Loop
Stand and Heater (optional)
Stand Type Bench Top Heater with base plate (moveable head only) and
Bench Top Stand with Heater (fixed head)
Heater Style Ceramic Fiber Heater
Heater Power, Watts 1500
Maximum Load, amps, 115V / 230V 15 / 9
Weights & Dimensions
Cylinder I.D. x Depth, inches 2.5 x 3.25 2.5 x 6.63 2.5 x 13.13
Vessel Assembly w/ Moveable Head
Weight, pounds**
38 45 57
Vessel Assembly w/ Fixed Head
Weight, pounds**
33 40 52
Cylinder Weight, pounds 8.9 14.8 26
** 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.