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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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0RB75VB датащи(PDF) 2 Page - List of Unclassifed Manufacturers |
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0RB75VB датащи(HTML) 2 Page - List of Unclassifed Manufacturers |
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2 / 2 page  Pneumatic Division Richland, Michigan www.wattsfluidai .com F31 F Pressure Pressure Pressure Man Reg Pressure Pressure Operation 1 Operation 2 Operation A B B B C A Man A Man C Man D M A N M a n Pressure Man Man Flow Controls & Accessories Typical Applications Rapid Retraction – Double Acting Cylinder In this circuit, air is exhausted through a Quick Exhaust Valve that is close coupled to the cap end of the cylinder. Because the Quick Exhaust Valve has a greater exhaust capacity than the four-way Control Valve, increased cylinder speed can be accomplished with a smaller and less expensive control valve. Dual Pressure Actuation of Double Acting Cylinder This circuit utilizes a Quick Exhaust Valve and a three-way Control Valve to permit rapid extension of the cylinder at a high pressure, thus saving air and increasing cylinder life. NOTE: Line pressure must be 3 or 4 times greater than rod end pressure. Effective working pressure is the differential between the cap and rod end. Bi-Directional Control of Two Double Acting Cylinders This circuit provides maximum control with a minimum of valving. A large four-way Control Valve is not needed to permit the rapid retraction of Cylinder A, as the Quick Exhaust Valve performs this function. The extension of Cylinders A and B and retraction of Cylinder B are controlled by Speed Control Valves. Typical “Shuttle Valve” Applications Typical “Quick Exhaust Valve” Applications “OR” Circuit The most common application of the Shuttle Valve is the “OR” Circuit. Here a cylinder or other work device can be actuated by either control valve. The valves can be manually or electrically actuated and located in any position. Memory Circuit This circuit enables continuous operation once initiated. Pressure is delivered to the circuit when Valve A is actuated. This allows pressure to pass through the shuttle valve actuating Valve B. Pressure then fl ws through Valve B and also the other side of the shuttle valve which holds Valve B open for continuous operation. To unlock the circuit, Valve C must be opened to exhaust the circuit and allow Valve B to return to its normally closed position. Interlock This circuit prevents the occurrence of a specific ope ation while one or another operation takes place. When either Valve A or B is actuated to perform operation 1 or , Valve D is shifted to the closed position and prevents operation 3 from occurring. Catalog 0305- Quick Exhaust & Shuttle Valve |
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