MTS Model 286-30 Pore Pressure Intensifier - Manual (Page 16)

286.30 Pressure Intensifier 16
Description of Major Components
Introduction
Major Components
Item Component Description
1 Cabinet Enclosure mounted on casters. Includes leveling legs for stability and a
hinged rear access door.
2 Reservoir Clear acrylic container. Includes filler port with strainer which also acts as a
vent for escaping gases.
3 Operator control
panel The panel contains all the valves used during operation and includes a
schematic of the unit as an aid during operation.
4 Pressure
transducer Provides a signal which represents the level of pore fluid pressure being
applied to the specimen. The signal is used by the electronic controller
equipment as feedback when pressure is the controlled variable.
5 Pressure relief
valve Relieves pressure if pressure in the system exceeds the PPI’s pressure rating
by a certain amount.
6 Pressure
intensifier Actuator which uses servovalve controlled hydraulic fluid to pressurize the
pore fluid. The top end, identified as “6A,” is the high pressure, pore fluid
part of the actuator. The lower part, “6B” is the low pressure, hydraulic fluid
end.
7 Hydraulic service
manifold Provides a hydraulic interface between the external hydraulic power supply
and the pressure intensifier. Provides mounting for various components
such as the servovalve and accumulators.
8 Servovalve Controls flow and pressure of hydraulic fluid applied to the input side of the
pressure intensifier.
9 Linear transducer Provides a signal that is proportional to the linear displacement of the
pressure intensifier’s piston relative to a fixed reference.