3 Passage Pneumatic Rotary Union 1/8″ NPT Radial 1/4″ NPT Axial Aluminum Housing for Winding Application

Short Description:

3 Passage Pneumatic Rotary Union for Winding Application
3-passage independent pneumatic rotary union (Model: LHS078-4Q) with 6061-T6 red anodized aluminum housing and 12L14 black oxide steel shaft. Features 3 radial and 1 axial NPT ports with a center through bore. Designed for winding apps, max 200RPM, 220 PSI.
Key Features:

Independent 3-passage design (non-interconnected).
High-quality materials (aluminum housing, steel shaft).
Center through bore with flange mounting.
Note: Not a 1-in-3-out manifold type.

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Product Overview

This is a high-performance 3-passage independent pneumatic rotary union (Rotary Union) with completely isolated internal fluid passages. Designed specifically for industrial winding applications, it ensures stable gas transmission under high-speed rotation.

Core Features

Independent 3-Passage Design: 3 radial fluid ports on the side (1/8″-27 NPT, 120° apart) and 1 axial fluid port on the face (1/4″-18 NPT).
High-Quality Materials: Housing made of 6061-T6 aluminum (red anodized); Rotor/Shaft made of 12L14 steel (black oxide, 56-62 Rc hardness).
Center Through Bore: Features a Φ3.060″ center through bore for equipment shaft pass-through or wiring.
Safety Monitoring: Equipped with 2 weep holes to monitor internal seal status in real-time.
Flange Mounting: Face equipped with 4x 3/8-16 UNC mounting screw holes.

Technical Parameters

Model: LHS078-4Q Rotary Union
Passages: 3 independent passages (separate sealing)
Media: Shop Air (must be filtered, free of abrasive contaminants)
Working Pressure: 80-220 PSI (approx. ≤ 2 Mpa)
Max Speed: 200 RPM (Typical 150 RPM)
Operating Temp: 40-105°F (4-66°C)
Application: Indoor manufacturing, winding equipment