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Soil mechanics

Oil and water constant pressure system

Main features
  • 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
General description
General description
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.

Dimensions: 310x300x400 mm
Weight approx.: 16 kg
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Ordering info

28-WF4312 
Oil and water constant pressure apparatus for pressure up to 3500 kPa. 230 V, 50 Hz, 1 ph

28-WF4314 
Oil and water constant pressure apparatus for pressure up to 3500 kPa. 110 V, 60 Hz, 1 ph

Accessories

28-WF 4302/1
High viscosity oil, 5 kg

28-WF4191 
Nylon tubing 6 mm bore x 8 mm outside dia., 10 m length

28-WF4050/1 
Normal action coupling for fitting inlet lines to cell

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