Prentex Pressure Aging Vessel
Technical Specifications
Meeting all AASHTO, ASTM, & EN14769 Standards with ease & operational efficiency. The
light-weight, compact unit demonstrates the excellence in engineering design and quality.
The 9500 PAV is the only unit designed for easy access & operation from any STANDARD
30" laboratory countertop. 100% USA manufactured, a locally supplied air source
(bottled/compressed air) completes the process needed for aging bitumen.
Pressure Vessel:
All-Stainless Steel vertical vessel with hinged lid; Designed, Manufactured, Tested &
Stamped in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division
1 for 350 psig @ 300oF [2.45 MPa @ 148oC]
System Controller:
[1] Touchscreen operator interface
[2] Data Logging: All Data downloads during the aging run via USB drive: Temperature (wall
& air), Pressure, Elapsed time, Temp Error Time, Pressure Error Time, & Power
consumption
[3] Alarms: Timing [Audible and visual]:
[a] Temperature out of tolerance by more than ±0.5oC in excess of 60 minutes; or
failure to achieve reheating and pressurization within two (2) hours after loading
specimens
[b] Pressure out of tolerance by more than ±0.5oC for (5) minutes; OR,
Failure to achieve initial pressure of at least 2.00MPa
Alarms: System [Visual only]:
[a] Pressure >design limit of 2.45MPa or < set-point by more than 0.10MPa.
[b] Over-temperature condition [in excess of 150oC] with power cut off to oven.
PAV Operation:
Digital Indication & Control
Accuracy ±0.03MPa of set-point
PAV Operating Pressure: 0.00MPa to 2.10 MPa [304.6 psi]
Pressure Measurement via Solid-state pressure transducer with:
Resolution: 0.5 psig [0.003MPa] &
Accuracy: 0.5% (±0.01Mpa)
Range: 0-500 psig [0-3.45 MPa]
PAV Operating Temperature Range:
Automatic Lab Standards: 90.0oC, 100.0oC, & 110.0oC & 85.00C
Research range: 60.0oC to 120.0oC
Temperature Measurement: Precision Platinum RTD, 0.1oC resolution: Accuracy ±0.1oC
Temperature Control PID digital indication and control: Accuracy Set-point ±0.3oC
Temperature Uniformity ±0.5oC of Aging Temperature Set point when pressurized
Over-temperature Protection 150oC Limit Shut-Down Switch
Timing System Clock-controlled microprocessor, 0.1% accuracy on all functions
Timing Displays: [1] Elapsed Aging Time [from pressurization];
[2] Cumulative time out of temperature tolerance [±0.5oC];
[3] Cumulative time out of pressure tolerance [±0.5oC]
Air Regulation and Inlet System
The Model 9500 PAV is furnished with regulator on domestic unit and ALL units ship with
adaptors for standard industrial compressed air cylinders, 6’ foot stainless over braided
connecting hose with female quick-disconnect, and mating male quick-disconnect on rear of
PAV System Cabinet.
Pressure Safety Release
Spring-Loaded Relief Valve calibrated to release pressure at 350 psig installed
PAV Exhaust
Air muffler supplied installed; Adaptor for venting provided but not factory installed.
Certification of Calibration
Factory calibration furnished with N.I.S.T. traceable Certificate of Calibration.
Air Requirements: Local laboratory or commercially furnished bottled/compressed air is
required to complete the PAV process. The required air pressure is 2.2 - 2.4 MPa (22 - 24 bar).
Power Requirements / Consumption:
Prentex Model 9500A = 100-125v AC, 50-60Hz, 10A (Domestic)
Prentex Model 9500E = 208-240v AC, 50-60Hz, 5A (Export)
Cabinet: Stainless Steel construction - Dimensions: 25½ “x 17" X 17" high;
Requires only 31" overhead clearance for cabinet lid opening
Weight: 170 pounds on counter (Ships @ ~220LBS)
Operator’s Manual:
Includes operation, maintenance, calibration procedures, and basic troubleshooting.
Warranty: One (1) year parts and labor
Technical Support:
[1] Available via phone, fax or e-mail
[2] Live phone support available Monday - Friday 8:30-4:30 [Central Time Zone]