Constant Oil and Water Pressure Apparatus 

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, and 2 kg of oil.

Features:-

• Longer service.
• Clear display.
• Accurate results.
• Easy to maintain
• 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
• Steeples pressure increments
• No weights nor calibration required