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

DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages, 1/4" Threaded Rotating Shaft - Cast Iron Rotating Joints & Unions
DUFF-NORTONCast Iron Rotating Joints & Unions

DUFF-NORTON Rotary Union: Straight, Plain Cast Iron, 1 Passages, 1/4" Threaded Rotating Shaft

The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with 1 passage, designed for a 1/4" threaded rotating shaft. It features a carbon graphite seal and supports a maximum speed of 700 rpm (MPN…

SKU 3G-OTH-479750

Also listed as: 730431 C · 730431-C

Brand
DUFF-NORTON
Item
Rotary Union: Straight, Plain Cast Iron, 1 Passages, 1/4" Threaded Rotating Shaft
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
730431C
Type
Plain Cast Iron, Plain
Passages
1
Maximum Speed
700 rpm
Seal Material
Carbon Graphite
Threaded Rotating Shaft
1/4"
Rotating Shaft Thread Size
1/4"

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, designed for a 1/4" threaded rotating shaft. It features a carbon graphite seal and supports a maximum speed of 700 rpm (MPN 730431C).

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 air from a stationary supply line into rotating machinery. This straight, plain cast iron model with a 1/4" threaded rotating shaft and carbon graphite seal is common in paper, steel, and textile mills for cooling or heating rolls.

What are the specifications of the DUFF-NORTON 730431C rotary union?

The DUFF-NORTON 730431C is a straight, plain cast iron rotary union with 1 passage. It has a 1/4" threaded rotating shaft, a carbon graphite seal, and a maximum speed of 700 rpm. The manufacturer part number is 730431C.

Where to buy a DUFF-NORTON rotary union worldwide?

3G Electric supplies the DUFF-NORTON rotary union 730431C worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this straight, plain cast iron rotating joint with a 1/4" threaded shaft to your facility.

How to install a DUFF-NORTON rotary union?

Ensure the rotating shaft is clean and aligns with the union's 1/4" threaded connection. Apply thread sealant to the shaft, hand-tighten the union, then torque to manufacturer specs. Verify the carbon graphite seal is seated properly and the union rotates freely before pressurizing.

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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