Features 1、100% brand new and high quality 2、The valve is generally installed in the pipeline between the cylinder and change valve and close to the cylinder to enable the cylinder to directly discharge the air without the necessity to go through the change valve and so as to achieve the aim of fas 3、It has especially obvious effect on raising the movement speed of the cylinder. 4、This quick exhaust air flow control valve is great replacement of the broken one 5、Connect method: P:Connect the change valve for output; A:Connect the cylinder; R:Connect the muffler Specification Features: 100% brand new and high quality The valve is generally installed in the pipeline between the cylinder and change valve and close to the cylinder to enable the cylinder to directly discharge the air without the necessity to go through the change valve and so as to achieve the aim of fast reversing of the cylinder. It has especially obvious effect on raising the movement speed of the cylinder. This quick exhaust air flow control valve is great replacement of the broken one Connect method: P:Connect the change valve for output; A:Connect the cylinder; R:Connect the muffler Specification: Model: XQ170600 Material: Aluminum alloy Connector thread: G1/4 Joint Pipe bore: 6 mm Flow:>0.9m³/min Pressure range: 0.12~1Mpa Exchange time:< 0.03S Length: 5.3cm/2.1in Weight: Approx.58g/2oz Package list: 1 x Quick Exhaust Valve Package List