GE Druck PV411A - Pressure and Vacuum Hand PumpThe GE Druck PV411A Four-In-One Hand Pump is the ideal field tool for applying test and calibration pressures to sensors, gauges, switches, indicators and recorders. The GE Druck PV-411 A is also a low cost pressure source for workshops and laboratories. This wide capability removes the need to carry several hand pumps. Vacuum Applying vacuum to absolute, negative gauge and differential field instruments is no longer a problem. With just a few strokes, the Druck PV 411A generates up to 95% vacuum (-950 mbar at 1000 mbar ambient).The GE Druck PV 411A is a high quality, field proven pressure and vacuum hand pump providing functionality, which has never been seen before in a hand held pressure source. This remarkable product replaces four conventional hand pumps and offers the following additional features:The GE Druck PV 411A is a high quality, field proven pressure and vacuum hand pump providing functionality, which has never been seen before in a hand held pressure source. This remarkable product replaces four conventional hand pumps and offers the following additional features:Features: Pressure/Vacuum selector valve also provides exceptional fine control pressure relief in both pneumatic and hydraulic modes Tamper proof adjustable overpressure protection valve which can be set to relieve pressures from 300 to 10,000 psi Removable hydraulic reservoir which can be disconnected from the pump without draining the fluid Reservoir safety feature with spring loaded top cover vents if inadvertently pressurized above 8 psi Hydraulic mode designed to operate with distilled water and/or high viscosity mineral oil Highly sensitive volume adjuster is used for hydraulic, pneumatic, vacuum and low pressure operation Built-in stroke adjuster controls the pressure/vacuum generated per stroke 240degrees- swivel head for optimum viewing of reference indicators Internal moving
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