This Unloader is designed to be fitted to Bertolini WBH/WBG/WBS series - Will not fit other series/makes of pumps.
Couplings: ⅜″ Banjo
Rated pressure: 2500 psi (170 bar)
Max. permissible pressure: 2600 psi (180 bar)
Max. flow rate: 6.5 US gpm (25 L/min)
Max. temperature: 195 °F (90 °C)
Weight: 13.9 oz (390 g)