Single-lever operation: Inflation, deflation and checking with a single handle. To check - lever in home position. To deflate - lever actuated half-way. To inflate - lever fully actuated. High-quality, concentric pressure gauge 80 mm Ø. Available for the following measuring ranges: 0 to 4 bar/50 psi, 0 to 10 bar/140 psi, 0 to 25 bar/350 psi. These pressure gauges are effectively protected against shock and impact by means of a free-standing plastic cap. They can be loaded against gauge pressure and up to the maximum scale value. With push-in plug for DN 7.2 coupling.