Pressure Test Vessel

The pressure test vessel is located in room OSB 140 and OSB 30A. Access to the pressure vessel and controls are located in room 140. It is generally locked because it is a controlled work area. Only specifically trained personnel are allowed to operate the vessel. The vessel operates between 0 and 10,000 psig.

In general, the vessel is 24 " in diameter and 8 feet in length, inside dimensions. It is hydraulically controlled. Items are placed inside the tank and a 3600 pound lid is secured to the top. Pressure is increased by pumping water into the vessel.

There are 3 levels of use for the vessel.

Level 1

0-3500 psig These pressures can be attained any time without any complications.

Level 2

3500 - 6000 psig These pressures require that warning be broadcast through the building indicating that the PTV is in use up to 6000 psig.

Level 3

6000 -10000 psig These pressures require a complete evacuation of the building except the PTV controllers. There are red flashing lights at the entrances, and the building is locked down. This obviously precludes normal work hours for utilization. Weekends or late night/early mornings will need to be coordinated with the building occupants to avoid scheduling high pressure PTV work when other occupants have scheduled other overnight work.

Hourly rates are $97 for University of Washington users and $160 for users outside of the University of Washington.

For further technical assistance, contact Randy Fabro (206)543-9688, randyf@u.washington.edu.