Appliance Diaphragm accumulator in hydraulic system Volume:0.75L to 3.5L Working pressures: 250 bar Gas valve: M28X1.5 Using an ... .1L,0.25L,0.35L,0,5L,0.75L,1.0L,1.4L,2.0L,3.0L,4.0LWorking Pressure : 100 to ... 250 barPrecharge : Nitrogen GasPort conection size:SAE #8 3/4-16 (D) or special customShell - high strength alloy steelPorts ...