Series 4670 HP/HT Vessels, 1 & 1.5 Gallon Specifications

Series 4670 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number 4670
Approximate Volume, Gallons (Liters) 1 (3.75) 1.5 (5.8)
Maximum Pressure (MAWP) 3000 psi (207 bar, 200 bar for CE/UKCA orders) @ 500 °C
2200 psi (151 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 with 16 Compression Bolts
Head Opening Options One head opening ( 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 Options 12 (Dependent on opening size, and required fittings)
Valve Connections 1/4″ NPT Female
Pressure Gage, Size 4.5″ Diameter
Range 0-3000 psi (207 bar)
Temperature Measurement Thermowell
Cooling Coil (optional) Serpentine
Bottom Drain Valve (BDV) (optional) 1″ NPS (Floor Stand or Moveable Cart Only)
Stand and Heater (optional)
Stand Type* Floor Cart with heater (moveable head only)
Floor Stand with Pneumatic Lift and heater (fixed head)
Heater Style Ceramic Fiber
Heater Power, Watts 2800
Maximum Load, amps, 230V 12
*Heater watts and amps vary between different heater styles, contact Parr Technical Support for more information.
Weight & Dimensions
Cylinder I.D. x Depth, inches 5.5 x 9.75 5.5 x 15.0
Vessel Assembly w/ Moveable Head
Weight, pounds**
113 131
Vessel Assembly w/ Fixed Head
Weight, pounds**
124 143
Cylinder Weight, pounds 53 72
**Vessel weight is based on a vessel with VGR head fittings. Vessel weight will vary based on head configuration choice and fitting options.

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