140
P a r r I n s t r u m e n t C o m p a n y
Series 4676 - 4679 General Purpose Vessels: 2.6 & 5 Gallons
Series 4676-4679 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number
4676*
4677*
4678*
4679*
Sizes, Gallon (Liter)
5 (18.5)
2.6 (10)
Maximum Pressure
1900 psi (130 bar)
Maximum Temperature
350 °C
Closure
Split-Ring (12 Cap Screws)
Split-Ring (10 Cap Screws)
Gasket
Flat - PTFE
Vessel Dimensions
Inside Diameter, inches
9.5
7.5
Inside Depth, inches
16.6
12.2
Weight of Vessel, pounds
250
90
Head Style
Opening
1/4" or 3/8" NPT w/plug
VGR* (two valves)
1/4" or 3/8" NPT w/plug
VGR* (two valves)
Thermowell
No
Yes
No
Yes
Heater for Moveable Vesssels (Flexible Mantle)
Model / Wattage
4976 / 2500
4975 / 2500
Heater for Fixed Head Vesssels (Clamp-On Band)
Model / Wattage
4978 / 6000
4977 / 3600
Vessel Style
Floor Stand or Fixed Head Stand with Pneumatic Lift
Maximum Head Openings
18
14
* Add the following suffixes to these model numbers to specify vessels with the described features:
No suffix: Moveable Head
FH: Add the suffix FH to specify a Fixed Head design.
Model 4677, 18.5 L Vessel with heater,
and 4838 Temperature Controller.
Model 4677, 18.5 L Vessel, with
valves, gage, and thermowell.
Cross Section 4676-4679
