Flow-Style-Focusing-Tubes-with-Inlet-Ring--Washer-100300-30-3.2105.1

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Product Name: Flow-Style Focusing Tube with Inlet Ring & Washer (Part No. 100300-30-3)

Description:
This component is a complete focusing tube assembly specifically designed for Flow-style abrasive waterjet cutting systems. The 30 in the part number typically indicates the nominal inner diameter of the tube, commonly 0.030 inches (0.76 mm) . This assembly includes the focusing tube (mixing tube), an inlet ring, and a washer.

The focusing tube is the critical final component where the high-pressure water and garnet abrasive are accelerated and focused into a coherent cutting stream . It is usually manufactured from extremely hard and wear-resistant tungsten carbide to withstand the high-velocity abrasive flow .

The inlet ring and washer are auxiliary components installed at the entry of the focusing tube, designed to ensure proper seating and sealing within the cutting head assembly.

Applications:

Used exclusively in abrasive waterjet cutting systems.
Installed in the cutting head assembly, positioned immediately after the mixing chamber.
Compatible with Flow-style waterjet cutting heads.

Features:

Coaxial Alignment: The assembly ensures the focusing tube is perfectly centered, which is critical to prevent premature one-sided wear of the tube .
Optimized Internal Diameter (ID): The 0.030" ID is matched for use with a 0.010" water orifice. This 1:3 diameter ratio is considered optimal for maximizing tube life and cutting efficiency .
Enhanced Durability: The tungsten carbide construction offers high resistance to abrasive erosion, delivering a long and consistent service life .

Maintenance:

Regular Inspection: The exit orifice of the focusing tube must be inspected regularly for wear, ovality, or flaring.
Replace as a Set: For optimal performance and maximum focusing tube life, it is recommended to maintain a 1:3 diameter ratio between the water orifice and the mixing tube (e.g., 0.010" orifice with a 0.030" mixing tube) .
Inspect Seals: When replacing the tube, check the integrity of the inlet ring and washer, as they ensure a proper high-pressure seal. Damaged components must be replaced to prevent leaks.