General Purpose Pressure Vessels
Parr Instrument Company
20
Series 4790
Model Size Head Style
4791 25 mL VGR
4792 50 mL VGR
4793 100 mL VGR
Working Limits (Standard Ratings)
Maximum Working Pressure
(T316SS) 3000 psi (207 bar)
[200 bar for CE orders
With PTFE Flat Gasket
With FKM O-ring
With FFKM O-ring
350 °C
225 °C
300 °C
Working Limits (High Pressure/High Temp.)
Maximum Working Pressure
(T316SS) 5000 psi (345 bar)
With PTFE Flat Gasket
With Flexible Graphite Gasket*
350 °C
500 °C
*A vessel with a Fixed Head is required for effective heating to 500 °C.
4790 with Flat Gasket & Split Ring
Part No. Description
2432HC3
Head, VGR (three valves) & 1/8” NPT
(General Purpose & HP vessels)
3665HC
Fixed Head, VGR (two valves) &
&
1/8” NPT
(HP/HT vessels)
2430HC Cylinder, 25 mL
2430HC18 Cylinder, 25 mL, 100 mL Profile (HP/HT)
2430HC2 Cylinder, 50 mL
2430HC19 Cylinder, 50 mL, 100 mL Profile (HP/HT)
2430HC3 Cylinder, 100 mL
429HC2 Gasket, PTFE
429HC2KL Gasket, Flexible Graphite
454HC Compression Ring
A455HC Split Ring
A456HC Drop Band
232HCFDE Bolt for Split Ring
1443HC2 DIP TUBE, 50mL
1443HC DIP TUBE, 25mL
593HC SERIES PRESSURE GAGE
836HC GAGE ADAPTER
1432HC SERIES HEAD
A888HC2 R/D HOLDER ASSY
1430HC3 CYLINDER, 100mL
1443HC3 DIP TUBE, 100mL
526HC SERIES R/D
366VBA_ MALE CONNECTOR
288VBAD MALE CONNECTOR
1433HC SERIES O-RING
1430HC CYLINDER, 25mL
1430HC2 CYLINDER, 50mL
1379HC SCREW CAP
4790 with O-ring Seal and Screw Cap
Part No. Description
1432HC Head, VGR (three valves) & 1/8” NPT
1430HC Cylinder, 25 mL, 2" deep
1430HC2 Cylinder, 50 mL, 2.25" deep
1430HC3 Cylinder, 100 mL, 4.5" deep
1433HCJE O-Ring Gasket, EP
1433HCJK O-Ring Gasket, FFKM
1433HCJV O-Ring Gasket, FKM
1379HC Screw Cap
4790 with O-ring Seal & Easy Close Split Ring
Part No. Description
2902HC3 Head, VGR (three valves) & 1/8” NPT
2520HC Cylinder, 25 mL
2520HC2 Cylinder, 50 mL
2520HC3 Cylinder, 100 mL
2521HCJV O-Ring, FKM
2521HCJK O-Ring, FFKM
2195HC Split Ring
A456HC Drop Band
195VBAD Tee, 1/8” NPT
836HC Gage Adapter
420HC Adapter, A socket x 1/8” NPT
4790Q General Purpose Vessel
O-ring Seal and Screw Cap
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