Maximum working pressure (PS): 350-480-690 bar.
Test Pressure (PT): PS x 1,43 / 1,3 / 1,5.
Body: forged steel, sand, and painted.
Standard nitrogen valve: ⅝” UNF.
Working temperature (TS): -20°C ÷ +80°C.
Standard bladder: can be used with mineral oils and non-corrosive fluids.

Maximum working pressure (PS): 250-210 bar.
Test pressure (PT): PS x 1,43 / 1,3 / 1,5.
Body: made of painted carbon steel.
Standard nitrogen valve: ⅝” UNF (R version).
Working temperature (TS): from -20°C to +80°C.
Standard bladder: can be used with mineral oils and non-corrosive fluids; not replaceable.

Maximum working pressure (PS): 300 bar.
Test pressure (PT): PS x 1,43 / 1,3 / 1,5.
Body: made of painted carbon steel.
Standard nitrogen valve: ⅝” UNF.
Working temperature (TS): -20°C ÷ +80°C.
Standard diaphragm: can be used with mineral oils and non-corrosive fluids.

Maximum working pressure (PS): 250-210-150 bar.
Test pressure (PT): PS x 1,43 / 1,3 / 1,5.
Body: made of painted carbon steel.
Standard nitrogen valve: ⅝” UNF.
Working temperature (TS): from -20°C to +80°C.
Standard bladder: can be used with mineral oils and non-corrosive fluids.