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Fill & Bleed Valves

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This toggle valve has two poppet valves connected to a single outlet. The operation is similar to a 3-way, 3-position center blocked valve.

Depressing the toggle from the center in one direction allows flow from the inlet to the outlet. Depressing the toggle in the other direction allows flow from the outlet to exhaust. In the toggle center position, the inlet, outlet and exhaust are blocked maintaining the existing pressure. Toggle positions can be momentary or maintained by a detent depending on the model selected. In the adjustable flow models, both flow rates are controlled by built-in needle valves. The nonadjustable models have no built-in needle valves.

Applications. The FBV-3 with adjustable flow may be used to pressurize or “fill” a chamber or bladder by depressing the toggle in one direction and then de-pressurize or “bleed” that same chamber or bladder by depressing the toggle in either direction. Toggling back and forth between the inlet and exhaust provides a fine adjustment of the required pressure in the chamber or bladder. It may also be used to control the extend and retract speed of a single acting spring return cylinder. Two built-in needles valves independently control the flow of air in both directions so that the pressurizing step may be faster or slower than the de-pressurizing step. In the case of a single acting cylinder, this allows the extend rate of the cylinder to be fast and the retract rate very slow or vice versa.

The non-adjustable models may be used for the same applications where higher flow is necessary and the flow is only controlled by toggling the valve back and forth. These models may also be used as a selector between two different pressure supplies using the exhaust port as the second inlet.

  Fill & Bleed Valves
Fill and Bleed Valves may be used to pressurize or "fill" a chamber or bladder by depressing the toggle in one direction and then de-pressurize or "bleed" that same chamber or bladder by depressing the toggle in the other direction. Toggling back and forth between the inlet and exhaust provides a fine adjustment of the required pressure in the chamber or bladder.

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Part No.
Product Description 1-12 of 12
FBV-3DF Fill & Bleed Valve, Detented/Detented, Full Flow, #10-32
FBV-3DFH Fill & Bleed Valve, Detented/Detented, Full Flow, #10-32 Port
FBV-3DMF Fill & Bleed Valve, Detented/Detented, Full Flow, #10-32
FBV-3DMFH Fill & Bleed Valve, Detented/Momentary, Full Flow, #10-32
FBV-3DMPF Fill & Bleed Valve, Detented/Momentary, Full Flow, #10-32
FBV-3DMPFH Fill & Bleed Valve, Detented/Momentary, Full Flow, 1/8" NPT
FBV-3DPF Fill & Bleed Valve, Detented/Detented, Full Flow, 1/8” NPT
FBV-3DPFH Fill & Bleed Valve, Detented/Detented, Full Flow, 1/8” NPT
FBV-3MF Fill & Bleed Valve, Momentary/Momentary, Full Flow, #10-32
FBV-3MFH Fill & Bleed Valve, Momentary/Momentary, Full Flow, #10-32
FBV-3MPF Fill & Bleed Valve, Momentary/Momentary, Full Flow, 1/8” NPT
FBV-3MPFH Fill & Bleed Valve, Momentary/Momentary, Full Flow, 1/8" NPT
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