CLEARANCE Butterfly Valve, pull knob locking, 304SS

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Our Price: $47.00

Sale Price: $29.99

Savings: $17.01

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Product Code: TC15_BUTTERFLY_KNOB_CLEARANCE

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Description

We received this item in our shipment of other parts in error. The factory has given us a discount that we are passing on to you.

This 304 stainless steel valve has 1" / 1.5" TC flanges on both ends (2" Actual Flange Diameter).
The bore is exactly 7/8" which conforms to the 1" TC standard. This valve would be appropriate for the racking port on a fermenter or on any hot side brewing vessel drain or whirlpool port.

The valve can be locked into three positions at various degrees of "open". To unlock the handle to turn the valve, the blue knob is pulled. If you don't know what a butterfly valve is or how it differs from ball valves, essentially the closure is made by a thin rotating disc. In the closed position, the disc is perpendicular to the flow and rubs against surrounding silicone seals to stop flow. In the open position, the disc is parallel to flow and almost disappears for minimal restriction. There are no pockets behind the seals that get funky either.

An important note about chemicals. Do not leave these valves soaking in strong detergents, acids or caustic solutions for days at a time. Silicone is a great choice for seals in hot and food grade applications but it will shrink over time after long chemical exposures. A shrunken seal is a leaking butterfly valve and they are not cheap to replace.