DUFF-NORTON Rotary Joints And Unions
Designed to transfer liquids or gases from a stationary source into a rotating or swivelling piece of machinery. Can operate at different temperatures and have a maximum rotational speed of 1000 rpm
Designed to transfer liquids or gases from a stationary source into a rotating or swivelling piece of machinery. Can operate at different temperatures and have a maximum rotational speed of 1000 rpm
Duff-Norton rotary joints and unions allow easy flow of the fluid from a stationary source (like a pipe) to a rotating part or machine (such as a drum) and control surface temperatures. These units...Read more
ADUFF-NORTON -
Right Hand Rotor Thread Rotary Unions
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B
C
D
E
F
GDUFF-NORTON -
Left Hand Rotor Thread Rotary Unions
A
BDUFF-NORTON -
9000 Series Rotary Unions
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B
CDDUFF-NORTON -
Rotary union, 1/2 Inch NPT, Right Hand
| Model | Item | Price (ex. VAT) | |
|---|---|---|---|
| 192003036 | AH4XRN | €475.46 |
DUFF-NORTON -
Rotary Joint, 2 1/2 Inch Size
| Model | Item | Price (ex. VAT) | |
|---|---|---|---|
| 740908C | CY3PPV | €4,412.79 | RFQ |
DUFF-NORTON -
Rotary Union, 1/4 pipe size, 1/4 NPT, shaft thread
| Model | Item | Price (ex. VAT) | |
|---|---|---|---|
| 750642C | CY3PPW | €382.99 | RFQ |
Features
- The 8000 Series rotary joints are specifically designed for steam applications. They feature an anti-torque lug to prevent rotation of the housing during operation.
- They come with a unique carbon graphite bearing that is lubricated by the process fluid and requires no additional lubrication.
- The 9000 Series rotary unions come equipped with a bellow seal that ensures safe transfer of the fluids in various applications, including oil and gas, food & beverage, aerospace and medical devices.
- They feature a thread connection for a stronger grip and are available in sizes of 4 to 5 inches.
Frequently Asked Questions
What is the purpose of a shaft?
The shaft helps to carry the fluid through the rotary union into the drum or roll. These units may be stationary or rotate with the drum or roll.
What type of fluids can be used with rotary joints and rotating unions?
Various heat transfer media and fluid power media, such as steam, water, thermal oil, hydraulic fluid and coolants are used with both rotary joints and rotating unions.
What is the advantage of the bellows sealing system in a Duff-Norton rotary union?
The bellow seals are the mechanical seals that replace the spring element by bellows. It eliminates the need for O-rings and protects the bearings from infiltration of dirt.
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