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"1102 Series" Rotary Union Slow Rotation Swivel

Model:  1102 Series / SRUS-4128

Type
Options
Part N° Description Nominal Pipe Size Shaft Thread (A) Overall Length (F) Guide Price Quantity
4128-T8815
750859C
R1013K2NPT 1/4 1/4 2.48 Quote Required
4128-T8816
750860C
R1017K2NPT 3/8 3/8 2.83 Quote Required
4128-T8817
750861C
R1021K2NPT 1/2 1/2 3.07 Quote Required
4128-T8818
750862C
R1027K2NPT 3/4 3/4 3.77 Quote Required
4128-T8819
750863C
R1034K2NPT 1 1 4.21 Quote Required
4128-T8820
750864C
R1042K2NPT 1-1/4 1-1/4 4.64 Quote Required
4128-T8821
750865C
R1049K2NPT 1-1/2 1-1/2 5.15 Quote Required
4128-T8822
750866C
R1060K2NPT 2 2 5.90 Quote Required
4128-T8823
750867C
R1076K2NPT 2-1/2 2-1/2 6.73 Quote Required
4128-T8824
750868C
R1090K2NPT 3 3 7.28 Quote Required
4128-T8825
750869C
R10114K2NPT 4 4 8.00 Quote Required
4128-T8826
750870C
R10140K2NPT 5 5 8.00 Quote Required
4128-T8827
750871C
R10165K2NPT 6 6 8.00 Quote Required
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High pressure corrosion resistant rotary union.

1102 Series

1102 Series Rotary Union Slow Rotation Swivel

Features and Benefits

  • Bi-Directional Swivel - 1102 Series swivels are for applications where complete rotation is not necessary
  • Slow Rotation Applications - Designed for swiveling or slow rotation application
  • High Pressure - The 1102 will operate at pressures up to 1160 PSI
  • Superior Sealing Performance - The 1102 series has the GR Seal for Superior sealing performance
  • Multiple Configurations - Available with axial (straight through) flow, or radial flow with the addition of a 90º stainless steel elbow
  • Corrosion Resistant - Features nickel plated carbon steel construction. Stainless steel models are also available
  • Stability at Higher Speeds & Pressures - The 1102 Series offers two ball races which allow for increased pressure and speed

1102 Series Slow Rotation Swivel Rotary Union Diagram

1102 Series Slow Rotation Swivel Rotary Union Diagram
Nominal Pipe Size Shaft Thread (A) B C DN F G H I J L M
1/4 1/4 .39 .43 .27 2.48 1.77 .74(flats) .98 .19 .78 .78
3/8 3/8 .43 .47 .39 2.83 2.00 1.02 (flats) 1.25 .19 1.10 .94
1/2 1/2 .55 .59 .43 3.07 2.12 1.02 (flats) 1.25 .19 1.18 1.10
3/4 3/4 .62 .66 .70 3.77 2.65 1.49 (flats) 1.77 .23 1.25 1.25
1 1 .74 .78 .98 4.21 2.97 2.04 2.04 .23 1.53 1.49
1-1/4 1-1/4 .82 .86 1.18 4.64 3.28 2.36 2.36 .23 1.73 1.77
1-1/2 1-1/2 .82 .86 1.49 5.15 3.79 2.55 2.55 .23 51 1.96
2 2 .98 1.02 1.88 5.90 4.38 3.14 3.14 .27 2.36 2.28
2-1/2 2-1/2 1.10 1.18 2.36 6.73 5.03 3.74 3.74 .27 2.95 2.75
3 3 1.18 1.25 2.95 7.28 5.51 4.17 4.17 .27 3.42 3.07
4 4 1.37 1.57 3.93 8.00 6.18 5.43 5.43 .27 - -
5 5 1.37 1.57 4.72 8.00 6.18 6.69 6.69 .27 - -
6 6 1.37 1.57 5.90 8.00 6.18 7.87 7.87 .27 - -

1102 Series Slow Rotation Swivel Rotary Union Specifications

Nominal Pipe Size Shaft Thread (A) Axial Flow with Stainless Steel Elbow
Nickel Plated Steel Stainless Steel Nickel Plated Steel Stainless Steel
Part Number Description Part Number Description Part Number Description Part Number Description
1/4 1/4 750859C R1013K2NPT 750872C
R1013I2NPT 760980C R1013K2ENPT 760993C
R1013I2ENPT
3/8 3/8 750860C R1017K2NPT 750873C R1017I2NPT 760981C R1017K2ENPT  760994C R1017I2ENPT
1/2 1/2 750861C R1021K2NPT 750874C
R1021I2NPT 760982C R1021K2ENPT  760995C R1021I2ENPT
3/4 3/4 750862C R1027K2NPT  750875C R1027I2NPT 760983C R1027K2ENPT  760996C R1027I2ENPT
1 1 750863C R1034K2NPT  750876C R1034I2NPT 760984C R1034K2ENPT  760997C R1034I2ENPT
1-1/4 1-1/4 750864C R1042K2NPT  750877C R1042I2NPT 760985C R1042K2ENPT  760998C R1042I2ENPT
1-1/2 1-1/2 750865C R1049K2NPT  750878C R1049I2NPT 760986C R1049K2ENPT  760999C R1049I2ENPT
2 2 750866C R1060K2NPT  750879C R1060I2NPT 760987C R1060K2ENPT  770000C R1060I2ENPT
2-1/2 2-1/2 750867C R1076K2NPT  750880C R1076I2NPT 760988C R1076K2ENPT  770001C R1076I2ENPT
3 3 750868C R1090K2NPT  750881C R1090I2NPT 760989C R1090K2ENPT  770002C R1090I2ENPT
4 4 750869C R10114K2NPT  750882C R10114I2NPT - -  - -
5 5 750870C R10140K2NPT  750883C R10140I2NPT - -  - -
6 6 750871C R10165K2NPT  750884C R10165I2NPT - -  - -

1102 Series Slow Rotation 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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