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DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages - Cast Iron Rotating Joints & Unions
DUFF-NORTONCast Iron Rotating Joints & Unions

DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages

The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with a single passage, designed for industrial fluid transfer. It features a 1-1/2" threaded rotating shaft, carbon graphite seal material…

SKU 3G-OTH-479737

Brand
DUFF-NORTON
Item
Rotary Union: Straight, Plain Cast Iron, 1 Passages
Category
Cast Iron Rotating Joints & Unions
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Technical Specifications

DUFF-NORTON
Manufacturer Part Number
440143C
Type
Plain Cast Iron
Passages
1
Maximum Speed
700 rpm
Seal Material
Carbon Graphite
Threaded Rotating Shaft
1-1/2"
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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 a single passage, designed for industrial fluid transfer. It features a 1-1/2" threaded rotating shaft, carbon graphite seal material, and a maximum speed of 700 rpm (MPN 440143C).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a DUFF-NORTON rotary union used for?

A DUFF-NORTON rotary union transfers fluid from a stationary supply line into rotating machinery. This straight, plain cast iron model with a single passage is commonly used in industrial applications such as paper mills, steel processing, and printing presses where reliable rotary fluid transfer is required.

What are the specifications of the DUFF-NORTON rotary union 440143C?

The DUFF-NORTON rotary union 440143C is a straight, plain cast iron unit with 1 passage. It has a 1-1/2" threaded rotating shaft, a carbon graphite seal, and a maximum speed of 700 rpm. The manufacturer part number is 440143C.

Where to buy a DUFF-NORTON rotary union worldwide?

3G Electric supplies the DUFF-NORTON rotary union 440143C to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this rotating joint.

How to select the right DUFF-NORTON rotary union for my application?

Selecting the correct DUFF-NORTON rotary union requires matching the shaft size, passage count, seal material, and speed rating to your equipment. For this model, the 1-1/2" threaded shaft and carbon graphite seal suit moderate-speed fluid transfer. Consult your machine manual or contact 3G Electric for application guidance.

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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