This apparatus is used to determine the vapour pressure of crude oils exerted in a manually created vacuum. It is suitable for testing samples that exert a vapour pressure between 25 kPa and 180 kPa at 37.8°C and between vapour to liquid ratios of 4:1 to 0.25:1. This unit is designed as per the specification in ASTM D7975.
Primary Uses:- Storage
- Transport (Truck, Railcar)
- Operational Processes
- Safety
- Determination of Unexpected Light End Content
- Note: Not intended for custody transfer, refer to ASTM D6377.
- Field Test Apparatus
- Carrying Case
- Volumumetric Guides: 20%, 80%, 100%
- Swagelok SS-400-6 Union for Sample Introduction
| Volume |
100 mL |
| Gauges |
Pressure: 0 to 60 psi (0 to 400 kPa) |
| Pressure Relief |
Calibrated to 150 psi (1000 kPa) |
| Volumetric Guides |
20%, 80%, 100% |
| Sample Temperature Range |
0 to 60°C |
| Sample Pressure Range |
Up to 500 kPa * |
| Repeatibility (r) |
8.1 kPa |
| Reproducibility (R) |
TBD |
| Suitable Reference Fluids |
Same as D5191, D6377 |
| Cylinder Design |
Floating Piston / Syringe Design * |
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