To develop a measurement system for calibrating high-frequency dynamic pressure that is capable of acting as a primary dynamic pressure calibration standard, a new concept of the shock tube, called ...

R134a Refrigerator Access Copper Tube Charging Valve (1/4"*100mm) Tube can be soft or hard. Tube length, Different specifications available: 1/4, 3/16, 3/8. Tube longth can be according to customer's ...