N Series

Rotating union for steam or hot oil

The Girol N series is divided into three categories:
• for STEAM: the rotary part and flange are made of stainless steel,
• for HOT OIL: the entire rotary union is made of cast iron,
• for BOTH CATEGORIES: the seal and bearings are made with impregnated graphite.
The housing, a fixed part, has cylindrical BSP thread while the shaft, the rotary part, has conical BSP thread.

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MAX PRESS: BAR
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T. MAX °C
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VELOCITA' MAX RPM

NB Series

Rotating union for steam or hot oil

Monoflow version

Girol's NB series - Technical design

General assembling warnings

1) Pipe connection have always to be made with flexible hoses

2) The plant pipings and the rotating cylindres must     be absolutely cleaned from chips welding slags, dirtness and so on

3) Avoid use with more than one max operatin data

I step

II step

Girol - Instructions for the Installation of rotating unions

NF Series

Rotating union for steam or hot oil

Dual flow unions – fixed syphon tube

Girol's NF series - Technical design

Thread pipe

The elbow of NF series halp to support the syphon and it will be screwed in the elbow. The thread must be concentric of rotating union’s axis for avoid misalingment.

General assembling warnings

1) Pipe connection have always to be made with flexible hoses

(2) The plant pipings and the rotating cylindres must  be absolutely cleaned from chips welding slags, dirtness and so on

(3) Avoid use with more than one max operatin data

I step

II step

Girol - Instructions for the Installation of rotating unions

NR Series

Rotating union for steam or hot oil

Dual-flow unions – Freely rotating syphon tube

Girol's NR series - Technical design

NT Series

Girol's NT series - Technical design

For NT series it’s the same for NR series, but in the elbow there is one seal for double indipendent passage

General assembling warnings

1) Pipe connection have always to be made with flexible hoses

(2) The plant pipings and the rotating cylindres must  be absolutely cleaned from chips welding slags, dirtness and so on

(3) Avoid use with more than one max operatin data

I step

II step

Girol - Instructions for the Installation of rotating unions
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