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Generates and automatically controls the set pressure up to a maximum of 3500 kPa (500 p.s.i.) within ± 0.5% -
Very stable over long periods -
Required pressure set using precision hand wheel control -
Stepless pressure increments -
No weights nor calibration required
This apparatus provides an infinitely variable constant pressure using
an adjustable spring type dead weight pressure feedback system connected
in-line with a pump and an oil/water interchange vessel.
The apparatus comprises: hydraulic pump, honed piston/spring assembly,
cylindrical oil/water interchange vessel, pressure gauge, valves, 2 kg
of oil.
Two versions available:
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For pressures up to 1700 kPa (28-WF4302 and 28-WF4204 models) -
For pressures up to 3500 kPa (28-WF4312 and 28-WF4314 models)
Dimensions: 310x300x400 mm
Weight approx.: 16 kg