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BECO offers two styles of Suckback Valves. The original Suckback valve, SBV-_ _-_ must be used with other valving to first shut off the flow. BECO's latest design, SBV-104168-_ incorporates everything into one valve, and the vacuum is adjustable.
BECO Suckback Valves are ideal for photoresist dispensing equipment to prevent excess dripping of the photoresist solution from the valve actuator, the diaphragm is pulled up forming a vacuum in the valve body chamber, thus pulling and sucking the last drop of photoresist. The BECO Suckback Valve features all PTFE wetted surfaces.
This BECO Suckback Valve, is a normally closed Diaphragm Valve. As the air pressure is removed from the valve actuator, a diaphragm moves upward creating a vacuum. The adjustment knob on top of the valve allows the amount of vacuum to be controlled, thus controlling the volume of suckback The BECO Suckback Valve features all PTFE wetted surfaces.
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| Ambient Pressure (min/max) | 40 / 60psi | | Max Media Temperature | 160F / 70C |
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| | PRODUCT SKU | | | |  |
| - - - - SBV-104168-4-F | Suckback Valve, Adjustable, 1/4" FNP | | Request Quote | |
| - - - - SBV-104168-4-LF | Suckback Valve, Adjustable, 1/4" Longflar | | Request Quote | |
| - - - - SBV-104168-4-M | Suckback Valve, Adjustable, 1/4" MNP | | Request Quote | |
| - - - - SBV-104168-4-T | Suckback Valve, Adjustable, 1/4" Tub | | Request Quote | |
| - - - - SBV-104168-6-F | Suckback Valve, Adjustable, 3/8" FNP | | Request Quote | |
| - - - - SBV-104168-6-LF | Suckback Valve, Adjustable, 3/8" Longflar | | Request Quote | |
| - - - - SBV-104168-6-M | Suckback Valve, Adjustable, 3/8" MNP | | Request Quote | |
| - - - - SBV-104168-6-T | Suckback Valve, Adjustable, 3/8" Tub | | Request Quote | |
| SBV - 2 - 2 - FNPT - | All orifices are 1/8"Female Pipe Thread1/8"Suckback Valv | | Request Quote | |
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