We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

DUFF-NORTON Cast Iron Rotating Joint - Cast Iron Rotating Joints & Unions
DUFF-NORTONCast Iron Rotating Joints & Unions

DUFF-NORTON Cast Iron Rotating Joint

The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with 1 passage, a 3" threaded rotating shaft, and a carbon graphite seal, rated for a maximum speed of 700 rpm. 3G Electric interprets this…

SKU 3G-OTH-479749

Also listed as: 440493 C · 440493-C

Brand
DUFF-NORTON
Item
Cast Iron Rotating Joint
Category
Cast Iron Rotating Joints & Unions
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

DUFF-NORTON
Manufacturer Part Number
440493C
Type
Plain Cast Iron, Plain
Passages
1
Maximum Speed
700 rpm
Seal Material
Carbon Graphite
Threaded Rotating Shaft
3"

Technical Documents

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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 1 passage, a 3" threaded rotating shaft, and a carbon graphite seal, rated for a maximum speed of 700 rpm. 3G Electric interprets this demand and delivers this genuine industrial component, backed by our specialist expertise in pumps and controls, across 14 industrial departments.

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 or gas from a stationary supply line into rotating equipment. This straight, plain cast iron model with a 3" threaded rotating shaft and carbon graphite seal is used in industrial machinery such as paper mills, steel processing, and material handling systems.

What are the specifications of the DUFF-NORTON rotary union 440493C?

The DUFF-NORTON rotary union 440493C is a straight, plain cast iron rotating joint with 1 passage, a 3" threaded rotating shaft, and a carbon graphite seal. It is rated for a maximum speed of 700 rpm. The manufacturer part number is 440493C.

Where to buy a DUFF-NORTON rotary union worldwide?

3G Electric supplies and delivers the DUFF-NORTON rotary union 440493C worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, backed by our specialist expertise in pumps and controls.

How to select a rotary union for a rotating shaft?

To select a rotary union, match the shaft size and thread type to your equipment—here a 3" threaded rotating shaft. Consider the number of passages (1 for single fluid), seal material (carbon graphite for durability), and maximum speed (700 rpm). Consult 3G Electric for application-specific 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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RULAND MANUFACTURING Rigid Shaft Coupling: 1 1/4 in Bore Dia 1, 1 1/4 in Bore Dia 2, Round, Clamp On (MPN SPX-20-20-F)
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This two-piece rigid shaft coupling connects shafts with bore diameters of 1 1/4 in and 1 in. It provides zero-backlash torque transfer and precise alignment in power transmission applications such as conveyors, pumps, and positioning systems. The round design accommodates different bore dimensions in inch sizes
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RULAND MANUFACTURING
Double disc coupling for round shafts with 1 1/4 in x 1 1/4 in bore diameter and 3 1/8 in OD. Features aluminum hubs and center spacer, stainless steel discs, and clamp-on design. Suitable for motion-control systems requiring zero-backlash torque transmission and compensation of angular and parallel misalignment

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Straight, plain cast iron rotating joint with one passage and a 2" threaded rotating shaft. Features a carbon graphite seal and is rated for a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery
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Straight, plain cast iron rotating joint with one passage and a 2" threaded rotating shaft. Features a carbon graphite seal and is rated for a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery
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This DUFF-NORTON rotating joint is a straight, plain cast iron union with two passages. It features a 1-1/4" threaded rotating shaft and a carbon graphite seal, rated for a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply into rotating machinery in industrial applications
This straight, plain cast iron rotating joint features a single passage and a 1/4" threaded rotating shaft. It is equipped with a carbon graphite seal and supports a maximum speed of 700 rpm. Commonly used to transfer fluid or air from a stationary supply line into rotating machinery such as rolls in industrial processing
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This straight, plain cast iron rotating joint features a single passage and a 1/4" threaded rotating shaft. It is equipped with a carbon graphite seal and supports a maximum speed of 700 rpm. Commonly used to transfer fluid or air from a stationary supply line into rotating machinery such as rolls in industrial processing
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This DUFF-NORTON rotary union is a straight, plain cast iron rotating joint with a single passage. It features a 1-1/4" threaded rotating shaft and a carbon graphite seal, with a maximum speed of 700 rpm. Used to transfer fluids such as coolant, steam, or thermal oil from a stationary supply line into rotating machinery
Straight, plain cast iron rotating joint with 2 passages and a 2" threaded rotating shaft. Features a carbon graphite seal and a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery in industrial applications such as paper mills, steel processing, and material handling
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Straight, plain cast iron rotating joint with 2 passages and a 2" threaded rotating shaft. Features a carbon graphite seal and a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery in industrial applications such as paper mills, steel processing, and material handling
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This DUFF-NORTON rotating joint is a straight, plain cast iron union with two passages and a 1-1/2" threaded rotating shaft. It uses a carbon graphite seal and is rated for a maximum speed of 700 rpm. Typical applications include transferring fluid or air from a stationary supply line into rotating machinery in industrial settings such as mills and processing plants
Straight, plain cast iron rotating joint with one passage and a 2" threaded rotating shaft. Features a carbon graphite seal and a maximum speed of 700 rpm. Used to transfer fluid from a stationary supply line into a rotating shaft or drum in industrial machinery
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Straight, plain cast iron rotating joint with one passage and a 2" threaded rotating shaft. Features a carbon graphite seal and a maximum speed of 700 rpm. Used to transfer fluid from a stationary supply line into a rotating shaft or drum in industrial machinery
This DUFF-NORTON rotating joint is a straight, plain cast iron union with two passages. It features a 1-1/2" threaded rotating shaft and a carbon graphite seal, with a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery in industrial applications
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This DUFF-NORTON rotating joint is a straight, plain cast iron union with two passages. It features a 1-1/2" threaded rotating shaft and a carbon graphite seal, with a maximum speed of 700 rpm. Used to transfer fluid or gas from a stationary supply line into rotating machinery in industrial applications