The inlet and outlet holes of the NTP48 piston vibrator are located on the same vertical plane. The surface of the housing is marked with air inlet, air outlet, easy to use and install. NTP series of vibrators wide, can be in the vibration, clear, transport, spread and use the scope of real use, the maximum temperature range is 150 ℃, can be used for harsh environments. NTP series of vibrators use power, quiet no noise, you can feel at ease to use.