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KINGSTON VALVES 205-4 Check Valve, 1/2 Inch Size, Horizontal Dash Pot, Teflon Disc
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Product Specifications:
| Item | Check Valve |
| Disc Material | Teflon |
| Material | Brass |
| Pressure Range | 1 - 400 Psi |
| Size | 1/2" |
| Temperature Range | -250 - 350 Deg F |
Product Details:
Kingston 205-4 check valve is a device that allows the flow of fluids to move only in one direction and prevents backflow in air compressors and dryers.
Features:
- It features a dash-pot piston design that reduces the hammering effect caused by exhaust pulsation (common in piston-type air compressors).
- It has a Teflon disc that conforms well with the metal parts and resists most chemicals, as well as high temperatures of up to 350 degrees Fahrenheit.
- Its robust design allows easy removal of scale and rust debris. It further includes a 1/8 inch unloader port that eliminates stress by removing trapped air within the system.
Frequently Asked Questions:
Q. What is a bubble-tight shutoff mechanism?
A. During air pressure testing of a new valve in the closed position, leakage past the seats is collected and bubbled through water. To qualify as bubble-tight, no bubble should be observed in a prescribed period.
Q. What is meant by water hammering?
A. When high-speed water is forced to change direction or stopped abruptly, it causes a sudden bounce-back known as water hammering. The check valve acts as a cushion for shockwaves and avoids damage.
Q. What mounting orientation should be used to install the check valve?
A. This dashpot check valve should be installed horizontally to enable a smooth forward flow and take gravity out of the equation to prevent water hammering due to excessive pressure.
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