Rotary Joints G line - JF
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FLUID HANDLING Rotary Unions Machine tools Transfer lines Gun drills CNC machines Spindles Grinding machines Drilling Presses Milling Clutches Rotary index tables JOHNSON-FLUITEN S.r.l. Via Newton, 21 20016 Pero (MI) Catalogue G© Rotary Unions (BR EN) 04/2023

M A TO CH O IN LS E The G rotary union is a high performance, high precision rotary union for coolant, air, hydraulic and cutting oil applications. The G rotary unions are generally applied to the machine tool industry. Based on decades of mechanical seal design and application expertise, the G rotary union line is built to perform under the most demanding conditions. A thorough understanding of seal load optimization, seal wear characteristics, and application knowledge means the G rotary union can provide years of reliable service for coolant, air, and hydraulic oil applications. Full...

Our Standard & Custom Solutions G – Type GA custom rotary joints custom rotary joints Spindle Mounted custom rotary joints custom rotary joints custom rotary joints custom rotary joints Multi-Passage Rotary Joints Quick Select Chart Media 1. Consult the factory for specific details. Depends on application parameters. 2. For specific applications parameters, see catalogue page. Higher speed and pressure available on request. Contact us for more info 3. Do not operate unions at a combination maximum values of pressure, temperature and speed. 3|

Rotor with pilot Consult factory for additional thread type. Overview Features and Benefits Precision ball bearings lubricated for life Hardened stainless steel rotor Optimised seal balance ratio for minimal friction Smooth running, no vibration Body available in anodised aluminium or brass Stationary seal face available in carbon graphite, bronze seal face for hydraulic oil above 70 bar Possibility of customized tests on customers parameters Smooth running, no vibration No leakage during tool change

Overview Features and Benefits Compact design mounted inside shaft Hardened stainless steel rotor Optimised seal balance ratio for minimal friction Available with non-contacting seal ring with hydrodynamic grooves Anodised aluminium body

Features and Benefits • Labyrinth seal and drain holes protect bearings • Optimised seal balance ratio • Silicon carbide seal faces resist wear and thermalshock • Precision ball bearings eliminate vibration • Anodised aluminium body • Full flow area, minimal pressure drop • Stainless steel spring located outside the flowuStainless steel rotor resists corrosion JOHNSON-FLUITEN S.r.l. | 6 Spindle Detail see pag. 17 for detail

AXIAL INLET © Dry Running Overview Features and Benefits Special seal design permits dry running Optimised seal balance ratio for minimal friction Precision angular contact bearings widely spaced to eliminate wobble and vibration Labyrinth seal and drain holes protect bearings Anodised aluminium body Reduced coolant misting for improved air quality Low heat generation in bearings and mechanical seal No leakage during tool change commutation Low vibration for precise machining Also available for rotation with compressed air Supplied with bearings run-in upon request Closing ring suitable for...

Features and Benefits • Special seal design permits dry running • Optimised seal balance ratio for minimal friction • High precision angular contact bearings eliminatewobble and vibration • Labyrinth seal and drain holes protect bearings • Anodised aluminium body • High speed, dry run applications • Reduced coolant misting for improved air quality • Low heat generation in bearings and mechanical seal • No leakage during tool change commutation • Low vibration for precise machining • Also available for rotation with compressed air • Supplied with bearings run-in upon request • Closing ring...

AXIAL INLET RADIAL INLET Spindle Detail see installation instructions Rotary Union Type GFP-GFPA PV Diagram Features and Benefits • Labyrinth seal and drain holes protect bearing • Optimised seal balance ratio • Silicon carbide seal faces resist wear and thermal shock • Angular ball bearing design resists side loading • Low vibration for precise machining • Anodised aluminium body • Full flow area, minimal pressure drop • Multiple stainless steel springs located outside the flow • Stainless steel rotor resists corrosion • Closing ring suitable for proximity sensing drawbarposition

Type GHR / GHRA o © © Coolant MQL Air Dry Running Features and Benefits Special seal design permits dry running Labyrinth seal and drain holes protect bearings Optimize seal balance ratio for minimal friction Anodized aluminium body Full flow area, minimal pressure drop Stainless steel rotor resist corrosion Long drawbar stroke for maximum flexibility No leakage during tool change commutation Large drain holes to evacuate coolant from the union Supplied with bearings run-in upon request Stainless steel springs located outside the flow

Features and Benefits Special seal design permits dry running Labyrinthseal and drain holes protect bearings Optimised seal balance ratio High precision angular contact bearings for high speeds Anodised aluminium bodyuFull flow area, minimal pressure drop Long drawbar stroke for maximum flexibility Seal to protect bearings for air pressure in rotor area Low heat generation in bearings and mechanical seal No leakage during tool change commutation Large drain holes to evacuate coolant from the union Supplied with bearings run-in upon request

* with Ceramic Bearings • Special seal design permits dry running • Labyrinth seal and drain holes protect bearings • Optimised seal balance ratio • High precision angular contact bearings for high speeds • Anodised aluminium body • Full flow area, minimal pressure drop Features and Benefits • Long drawbar stroke for maximum flexibility • Low heat generation in bearings and mechanical seal • No leakage during tool change commutation • Large drain holes to evacuate coolant from the union • Supplied with bearings run-in upon request