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DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 2 Passages - Cast Iron Rotating Joints & Unions
DUFF-NORTONCast Iron Rotating Joints & Unions

DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 2 Passages

The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with 2 passages, featuring a 1-1/4" threaded rotating shaft (MPN 440322C). It is designed for a maximum speed of 700 rpm and uses a carbon…

SKU 3G-OTH-479744

Brand
DUFF-NORTON
Item
Rotary Union: Straight, Plain Cast Iron, 2 Passages
Category
Cast Iron Rotating Joints & Unions
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Technical Specifications

DUFF-NORTON
Manufacturer Part Number
440322C
Type
Plain Cast Iron
Passages
2
Maximum Speed
700 rpm
Seal Material
Carbon Graphite
Threaded Rotating Shaft
1-1/4 "
Rotating Shaft Thread Size
1-1/4 "
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DUFF-NORTON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with 2 passages, featuring a 1-1/4" threaded rotating shaft (MPN 440322C). It is designed for a maximum speed of 700 rpm and uses a carbon graphite seal material. This product is part of 3G Electric's industrial solutions, where we interpret customer demand and deliver genuine equipment across 14 departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is a DUFF-NORTON rotary union used for?

A DUFF-NORTON rotary union transfers fluid or gas from a stationary supply line into a rotating shaft or drum. It is commonly used in industrial machinery such as paper mills, printing presses, and material handling equipment where continuous rotation and media transfer are required.

What are the specifications of the DUFF-NORTON 440322C rotary union?

The DUFF-NORTON 440322C is a straight, plain cast iron rotary union with 2 passages. It has a 1-1/4" threaded rotating shaft, a maximum speed of 700 rpm, and a carbon graphite seal material. This model is designed for reliable media transfer in rotating equipment.

Where to buy a DUFF-NORTON rotary union worldwide?

3G Electric supplies the DUFF-NORTON rotary union worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this genuine part for your application across any of our 14 industrial departments.

How to install a DUFF-NORTON rotary union?

Install the DUFF-NORTON rotary union by aligning the threaded rotating shaft with the machine's rotating component. Apply thread sealant to the 1-1/4" connection, tighten to the manufacturer's torque specification, and ensure the stationary port is properly supported. Verify free rotation before pressurizing the system.

Used in

Common applications for DUFF-NORTON
Solar panel tracking — Duff-Norton LT series linear actuators adjust panel tilt angles with IP66 protection.
Material handling automation — LS series actuators position conveyor gates or diverters with 675 lbf capacity.
Agricultural equipment — LT actuators control vent openings or seed drill depth in dusty, outdoor conditions.
Industrial valve actuation — LT series with potentiometer feedback provides precise valve position control.
Medical equipment adjustment — LT actuators with low noise plastic nuts are used in patient bed or table positioning.
Packaging machinery — LS series actuators drive pusher arms or lift platforms in high-cycle indoor environments.

DUFF-NORTON Products

3G Electric supplies DUFF-NORTON cast iron rotating joints & unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages, 1/4" Threaded Rotating Shaft, Plain (MPN 730432C). Key specifications — Maximum Speed: 700 rpm; Brand: DUFF-NORTON; Seal Material: Carbon Graphite; Rotating Shaft Thread Size: 1/4".
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DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages, 2" Threaded Rotating Shaft, Plain (MPN 440465C). Key specifications — Maximum Speed: 700 rpm; Brand: DUFF-NORTON; Seal Material: Carbon Graphite.
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