Precision Brand 47811 Worm Gear Hose Clamp 9/16-1-1/16 in

Product Description

The PRECISION BRAND 47811 is a heavy-duty, 3-piece worm gear hose clamp designed for secure, leak-resistant hose connections across a wide range of clamping diameters. The clamp features a 9/16-inch-wide band that provides an enlarged sealing surface compared to standard narrow-band designs, reducing the risk of hose deformation or bypass leakage under pressure. The one-piece housing eliminates spot-welds, which are common failure points in lighter-duty clamps. This clamp is sized to accommodate hose outside diameters from 9/16 inch to 1-1/16 inch. Plumbers, HVAC technicians, and industrial mechanics install this type of clamp on hose assemblies where a reliable, adjustable mechanical seal is required.

This clamp is suited for automotive cooling and fuel hose applications, plumbing drain and supply connections, and heavy-duty industrial hose assemblies. The worm gear drive allows fine-tuned torque adjustment during installation, making it appropriate for applications where precise clamping force is needed. The wide band design distributes clamping load evenly, which is especially useful on softer hose materials that are prone to cutting or distortion under narrow-band clamps. Sold in a minimum quantity of 10 per pack.

Key Features

• 9/16-inch-wide band increases sealing surface area over standard narrow-band clamps
• One-piece housing with no spot-welds reduces failure points and improves structural integrity
• Worm gear drive allows precise incremental tightening
• Clamping range: 9/16 inch to 1-1/16 inch outside diameter
• Suitable for automotive, plumbing, and heavy-duty industrial hose applications
• Sold in packs of 10

Compatibility

Designed for use on hoses with outside diameters between 9/16 inch and 1-1/16 inch in automotive, plumbing, and heavy-duty industrial installations where a worm gear hose clamp is specified.

Installation Notes

Installation is performed by plumbers, HVAC technicians, automotive mechanics, and industrial maintenance technicians. Before installing or repositioning the clamp, relieve system pressure and drain fluid from the line being serviced. Use a flat-blade or hex-drive screwdriver to tighten the worm gear to the hose manufacturer's recommended torque range. Do not over-tighten, as excessive torque can cut through the hose wall and compromise the seal.

Technical Specifications

• Clamping Range: 9/16 inch to 1-1/16 inch
• Band Width: 9/16 inch
• Housing Construction: One-piece, spot-weld-free
• Drive Type: Worm gear
• Pieces per Pack: 3
• Minimum Order Quantity: 10 packs
• Weight: 0.04 pounds

Standard Information

• Brand: PRECISION BRAND
• Manufacturer Part Number: 47811