Ametek Crystal T-970-CPF Pneumatic Pressure Pumps w/CPF Hose and Fittings, 0 to 40 bar / 0 to 580 psi. The AMETEK Jofra T-970 Pneumatic Hand Pump features an extended range vernier adjustment for precisely controlling pump pressure and comfortable pistol grip handle.  It also features a pressure range of 0 to 40 bar / 0 to 580 psi. The T-900 Series pneumatic hand pumps generate pressure and vacuum with precision and ease, allowing users to fine-tune the pressure delivered with every stroke. A built-in relief valve and dual pressure output enable safe and simple operation. The T-965 and T-975 are available with a button valve, making them capable of switching easily from pressure to vacuum generation.