05073168-Adapter-JICORB.1258.3-1

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Product Name: Adapter, JIC/ORB, .75 x .75 – Part No. 05073168

Description:
This component is a high-pressure hydraulic adapter specifically designed to connect two different industry-standard connection types: JIC (Joint Industry Council) 37° flare and ORB (O-Ring Boss). The .75 x .75 designation indicates that both ends feature a .75 inch (3/4″) male connection – one end is a 3/4″ JIC male, and the other end is a 3/4″ ORB male.

The JIC end utilizes a 37° flare cone to create a reliable, vibration-resistant metal-to-metal seal. The ORB end features a precision straight thread (conforming to SAE J514 standards) and seals via an elastomeric O-ring compressed against the port‘s machined boss face. This adapter is typically manufactured from high-strength carbon steel with a corrosion-resistant plating to withstand the harsh, high-moisture environment of waterjet hydraulic systems.

According to official parts diagrams, this adapter is a critical component in the Redundant Kit 72155777, where it is listed as Item 1 with a quantity of 4 per assembly . The redundant kit ensures continuous operation by providing a backup hydraulic fluid path in critical cutting applications, minimizing downtime if a primary component fails.

Applications:

Used in the Redundant Kit 72155777 to connect 3/4″ JIC female components to 3/4″ ORB female ports
Serves as a hydraulic interface in backup systems where uninterrupted operation is essential
Suitable for low to medium pressure hydraulic circuits in waterjet intensifier systems
Compatible with KMT, AccuStream, H2O Jet, and other standard waterjet hydraulic systems

Features:

JIC 37° Flare Connection: Provides a metal-to-metal seal that is highly resistant to vibration, ideal for high-cycle applications
ORB (O-Ring Boss) Connection: Straight thread design with O-ring seal prevents leakage, reduces thread stress, and eliminates the need for thread sealant
Corrosion-Resistant Construction: Steel body with protective plating for durability in moist, abrasive waterjet environments
Straight Male-to-Male Configuration: Direct in-line connection without changing fluid path direction
Critical Redundancy Component: Essential for systems requiring a backup hydraulic supply to prevent production stoppages

Maintenance:

Failure Diagnosis (When to Replace):

External Fluid Leakage: Visible oil weeping at either connection. A leak at the JIC end indicates a damaged flare surface; a leak at the ORB end indicates O-ring failure
O-Ring Degradation: Inspect the O-ring for nicks, cuts, flattening (compression set), hardening, or cracking – any visible damage warrants replacement
Thread Damage: Stripped, galled, or corroded threads on either end prevent proper tightening and sealing
JIC Flare Damage: Inspect the 37° flare surface for nicks, scratches, or deformation; even minor damage will cause high-pressure leaks
Cracked or Deformed Body: Any visible cracking or distortion of the adapter body requires immediate replacement

Inspection and Replacement Guidelines:

Full Depressurization (Critical): Before any maintenance, fully depressurize the hydraulic system, shut down the waterjet system, and follow lockout/tagout procedures
Single-Use O-Ring (ORB End): The O-ring is a single-use consumable. Always install a new, lubricated O-ring whenever the adapter is removed and reinstalled
Do Not Use Thread Sealant: For ORB connections, do not use PTFE tape or thread sealant – the seal is made by the O-ring, not the threads
JIC Flare Inspection: Carefully inspect the 37° male flare surface for damage; the connection seals on the flare cone
Thread Preparation: Clean all threads thoroughly with a soft brush and compatible solvent; remove all debris, old sealant, and corrosion
Torque Compliance: Tighten both connections to the specific torque values listed in the equipment service manual using a calibrated torque wrench
Two-Wrench Method: Use two wrenches – one to counter-hold the adapter and one to tighten the nut – to prevent twisting stress on the assembly
Replacement Criteria: Replace the adapter immediately if threads are damaged, the JIC flare surface is compromised, the O-ring groove is damaged, the body shows cracks, or persistent leakage occurs despite proper installation

Cross-Reference Information:

OEM Part Number: 05073168
Used in: Redundant Kit 72155777 (Item 1, Qty 4)
Thread Standards: SAE J514 / ISO 8434-2 (JIC 37° Flare); SAE J514 (ORB Straight Thread)