Product Name: Integrated Diamond Eductor (IDE) Cutting Head Assembly – 0.014 Inch Orifice (Part No. 391130-1-14)

Description:
This component is an Integral Diamond Eductor (IDE) cutting head assembly, specifically designed for extreme pressure (EP) waterjet cutting systems . It integrates the diamond orifice, mixing chamber, and cutting head body into a single, pre-aligned unit . The assembly features a 0.014 inch (approximately 0.36 mm) diamond orifice and is designed to be mounted on dynamic or tilting heads for multi-axis cutting applications. It is rated for continuous operation at 60,000–94,000 PSI (approximately 4,137–6,480 bar) .

The IDE design combines the orifice and mixing chamber into a single component, ensuring perfect alignment between the waterjet, mixing chamber, and focusing tube without requiring manual jet alignment . This results in superior cutting efficiency, extended consumable life, and simplified maintenance. The assembly is designed to work with a Short Stop high-pressure inline filter, which protects the diamond orifice from contamination and foreign particles in the water supply .

Applications:

• Used as the primary cutting head assembly for abrasive waterjet cutting systems rated at 60,000–94,000 PSI

• Installed on dynamic or tilting heads for bevel cutting and multi-axis profiling

• Suitable for cutting hard materials including metal, stone, glass, ceramics, and composites

• Compatible with H2O Jet and other standard waterjet systems

Features:

• Integrated Orifice Design: The diamond orifice and mixing chamber are permanently fixed in perfect alignment within the single-unit body, eliminating the need for manual jet-centering adjustments 

• Diamond Orifice Technology: Features a premium polycrystalline diamond (PCD) orifice with 0.014 inch diameter for exceptional wear resistance and extended service life

• Extreme Pressure Rating: Proven performance at 94,000 PSI (6,480 bar) and exceptionally well at 60,000 PSI (4,137 bar) 

• Long Maintenance-Free Performance: Designed for extended service intervals with minimal consumable replacement requirements 

• Dual Port Design: Includes two inlet ports (.281 ID) for flexible high-pressure water connection options 

• Short Stop Filter Compatibility: Requires use with an inline high-pressure filter (Short Stop type) to protect the diamond orifice from contamination, especially critical after pump rebuilds 

Maintenance:

When to Replace (Failure Diagnosis) :

• Reduced Cutting Performance: Gradual loss of cutting speed or edge quality indicates orifice wear

• Deviated Waterjet: If the waterjet stream becomes scattered or divergent, the diamond orifice may be damaged

• Clogging or Blockage: Inconsistent water flow or complete blockage suggests foreign material lodged in the orifice

• Pressure Drop: Inability to maintain rated cutting pressure may indicate internal wear or damage

• External Leakage: Water weeping from the cutting head body connections indicates seal failure

Recommended Maintenance Practices :

• Use a Short Stop Filter (Critical): It is highly recommended that an inline high-pressure filter be used to protect the diamond orifice from foreign objects that may be in the cutting water. This is especially important after pump rebuilds when debris may be present in the system 

• Inspect for Contamination: Regularly check the Short Stop filter element and replace as needed to ensure clean water supply to the diamond orifice

• Handle with Care: The diamond orifice, while extremely hard, is brittle and can be damaged by impact or improper handling

• Replace as Complete Unit: When the cutting head reaches the end of its service life, replace the entire IDE assembly—individual components are not field-serviceable

• Clean Installation: Before installing a new IDE head, thoroughly flush the high-pressure water lines to remove any debris that could damage the diamond orifice

• Torque Compliance: When connecting the high-pressure water line to the IDE head, tighten the fitting to the specific torque value listed in the equipment service manual

• Inspect Sealing Surfaces: Check the O-rings and sealing surfaces on the IDE head before installation; replace if damaged

• Storage: Store spare IDE cutting heads in a clean, dry, protective container to prevent the precision diamond orifice from being contaminated or physically damaged before use

• Full Depressurization: Always fully depressurize the waterjet system and follow lockout/tagout procedures before installing, removing, or servicing the cutting head assembly