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"1300 Series" Rotary Union Flanged Swivel

Model:  1300 Series / SRUF-4130

Options
Part N° Description Nominal Pipe Size Number of Holes Overall Diameter (A) Overall Length (F) Thread (G) Guide Price Quantity
4130-T8774
760572C
BR50K 2 4 6.49 5.90 4 x .70 Quote Required
4130-T8775
760573C
BR66K 2-1/2 4 7.28 5.90 4 x .70 Quote Required
4130-T8776
760574C
BR80K 3 8 7.87 5.90 4 x .70 4 x M16 Quote Required
4130-T8777
760575C
BR100K 4 8 8.66 5.90 8 x .70 Quote Required
4130-T8778
760576C
BR125K 5 8 9.84 5.90 8 x .70 Quote Required
4130-T8779
760577C
BR150K 6 8 11.22 5.90 8 x .86 Quote Required
4130-T8780
760579C
BR200K 8 8 13.38 7.87 8 x .86 Quote Required
4130-T8781
760580C
BR250K 10 12 15.55 7.87 12 x .86 Quote Required
4130-T8782
760581C
BR300K 12 12 17.50 7.87 12 x .86 Quote Required
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Rotary union designed for used in high temperature applications.

1300 Series

1300 Series Rotary Union Flanged Swivel

Features and Benefits

  • Swivel Applications - Used in applications where slow rotation or swiveling motion is needed.
  • Flanged Swivel Design - Allows for stability in high flow applications.
  • GR Seal Technology - Design features include a ball bearing for rotation, and a GR seal for superior sealing performance.
  • High Temperature Applications - Can be used in applications with temperatures up to 392º F.

1300 Series Flanged Swivel Rotary Union Dimensional Diagram

1300 Series Flanged Swivel Rotary Union Diagram
Nominal Pipe Size Number of Holes Overall Diameter (A) B Slot C DN Overall Length (F) Thread (G)
2 4 6.49 4.92 .70 2 5.90 4 x .70
2-1/2 4 7.28 5.70 .70 2-1/2 5.90 4 x .70
3 8 7.87 6.29 .70 3 5.90 4 x .70 4 x M16
4 8 8.66 7.08 .70 4 5.90 8 x .70
5 8 9.84 8.26 .70 5 5.90 8 x .70
6 8 11.22 9.44 .86 6 5.90 8 x .86
8 8 13.38 11.60 .86 8 7.87 8 x .86
10 12 15.55 13.77 .86 10 7.87 12 x .86
12 12 17.50 15.70 .86 12 7.87 12 x .86

1300 Series Flanged Swivel Rotary Union Specifications

Nominal Pipe Size Nickel Plated Steel Stainless Steel
Part Number Description Part Number Description
2 760572C BR50K 760582C BR50I
2-1/2 760573C BR66K 760583C BR66I
3 760574C BR80K 760584C BR80I
4 760575C BR100K 760585C BR100I
5 760576C BR125K 760586C BR125I
6 760577C BR150K 760587C BR150I
8 760579C BR200K 760589C BR200I
10 760580C BR250K 760590C BR250I
12 760581C BR300K 760591C BR300I

1300 Series Flanged Swivel Rotary Union Performance Charts

Performance Charts
Rotary Union Design

Rotary Union Design

While rotating joints come in many shapes, sizes, and configurations, they always have the same four basic components: housing, a shaft, a bearing (or bearings) and a seal.

Mechanical Seal

The heart of the Rotary Union or rotary joint is the seal.

The seal prevents the medium (water, oil, air, etc) from leaking outside the Rotary Union while the Rotary Union is in operation.

Duff-Norton uses four basic types of mechanical seals in its Rotary Unions: 1) pusher-type end face mechanical seal, 2) non-pusher type end face mechanical seal, 3) lip seals and 4) o-ring seal. Rotary Unions may have more than one seal.

Bearing

The second most important part of the Rotary Union is the bearing. A Rotary Union may have only one bearing or multiple bearings.

Roller bearings, such as ball bearings and tapered roller bearings, or non-roller bearings, like graphite bearings and bronze bushings, may be used in the Rotary Union.

The bearings are always used to allow a part of the joint, either the shaft or the housing, to rotate.

Shaft

The shaft is the component that carries the medium through the Rotary Union into the drum or roll. In many cases, the shaft will turn with the drum or roll. In some cases, like in larger flanged rotary Unions, the shaft may be stationary while the housing rotates. The bearings and seal are typically assembled around the shaft.

Housing

The housing is the component that holds all of the other elements of the Rotary Union together. The housing has an inlet port, which is a threaded port to which the hose supplying the medium will be attached .

The Rotary Union may also have an outlet port, if the same joint is being used both to supply fluid to a roll and to remove fluid from the roll. In smaller Rotary Unions, the housing is stationary. In larger Rotary Unions, the housing maybe bolted to the drum or roll using a flange. In these cases, the housing rotates at the same speed as the drum.


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