Hose Clamp Shut Off 1/2″ & 3/8″

The Pinch Flow Clamp – Large is a simple and effective tool for controlling liquid flow during racking, siphoning, and transfers. Designed to fit ½” to ⅝” outside diameter tubing, this clamp allows precise, one-hand regulation of fluid flow without the need for valves or disconnecting hoses.

Made from durable, corrosion-resistant plastic, the clamp pinches flexible tubing to slow, stop, or fine-tune flow instantly. Its one-piece molded design features smooth edges to prevent damage to tubing and ensure long-lasting performance. Ideal for winemaking, homebrewing, cider making, and other fermentation or bottling applications.

Perfect for use with siphon hoses, transfer tubing, and bottling setups where quick and reliable flow control is essential.

Key Features

• Fits ½” to ⅝” O.D. tubing

• Allows precise, one-hand flow control

• Ideal for siphoning, racking, and bottling

• Durable plastic construction — will not corrode or distort

• One-piece molded design with no sharp edges

• Lightweight, reusable, and easy to clean

• Great for winemaking, homebrewing, and fermentation transfers