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
Also listed as: 440322 C · 440322-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
Need installation or engineering help?
Ask a question
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-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.
