MTS Model 286-30 Pore Pressure Intensifier - Manual (Page 21)

Functions of the Front Panel Controls
286.30 Pressure Intensifier Operation 21
I TEM C ONTROL F UNCTION
1 Pore Fluid
Output Adjustable hand-valve. Turning the valve counterclockwise toward Open allows
air to be vented from the triaxial cell to the reservoir while filling the rock
specimen’s pores with fluid.
The valve is closed while pressurizing the pore fluid.
2 Pore Fluid
Input Adjustable hand-valve. Turning the valve counterclockwise toward Open allows
fluid to flow into the rock specimen, or it allows pore fluid in the specimen to be
pressurized by the pressure intensifier. Turning the valve fully clockwise to Close
closes the input to the triaxial cell.
3 Reservoir
Drain/Fill The valve must be closed to prevent fluid from draining from the reservoir.
The arrow to the left of the valve, shown on the front panel schematic above,
represents a hose that could be attached to the valve, from the rear of the panel.
The reservoir could be filled via the attached hose by means of a suitable external
pump while the valve is open. (The reservoir is usually filled by pouring fluid
through the vent on top of the reservoir.)
Opening the valve also allows the reservoir to be drained, via the hose, to an
external container or drain.
4 Reservoir
Return Adjustable hand-valve. The valve is opened during the intensifier fill procedure to
allow air to be purged from the intensifier. The valve is closed while pressurizing
the pore fluid.
5 Intensifier Fill Adjustable hand-valve. Turning the valve counterclockwise toward Open allows
pore fluid to flow from the reservoir to the pressure intensifier. The valve must be
closed before pressurizing the triaxial cell.