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 and a 1-1/2" threaded rotating shaft (MPN 440146C). It features a carbon graphite seal and a maximum speed of 700 rpm. 3G…
SKU 3G-OTH-479740
Also listed as: 440146 C · 440146-C
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with 2 passages and a 1-1/2" threaded rotating shaft (MPN 440146C). It features a carbon graphite seal and a maximum speed of 700 rpm. 3G Electric interprets your demand for this OEM part, sources it across 14 industrial departments, and provides specialist support 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 air from a stationary supply line into rotating machinery. This straight, plain cast iron model with 2 passages and a 1-1/2" threaded rotating shaft is common in paper, steel, and textile mills where reliable rotary joints are needed.
What are the specifications of the DUFF-NORTON 440146C rotary union?
The DUFF-NORTON 440146C is a straight, plain cast iron rotary union with 2 passages, a 1-1/2" threaded rotating shaft, and a carbon graphite seal. Maximum speed is 700 rpm. It is designed for continuous rotation in industrial fluid-transfer applications.
Where to buy a DUFF-NORTON rotary union worldwide?
3G Electric supplies the DUFF-NORTON 440146C rotary union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this OEM part across 14 departments and support your application needs.
How to install a DUFF-NORTON rotary union?
Ensure the rotating shaft aligns with the machine's centerline to avoid binding. Use thread sealant on the 1-1/2" connection and verify the carbon graphite seal is lubricated before startup. Follow the manufacturer's torque specs and check for leaks at operating pressure.
Used in
Common applications for DUFF-NORTONDUFF-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.
