DUFF-NORTON Plain Cast Iron Rotary Union
The DUFF-NORTON Rotary Union is a straight, plain cast iron rotating joint with one passage, featuring a 1-1/4" threaded rotating shaft (MPN 440320C). It is designed for a maximum speed of 700 rpm and uses a carbon…
SKU 3G-OTH-479742
Also listed as: 440320 C · 440320-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 one passage, featuring a 1-1/4" threaded rotating shaft (MPN 440320C). It is designed for a maximum speed of 700 rpm and uses a carbon graphite seal material. This product is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 industrial 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 (coolant, steam, thermal oil) from a stationary supply line into a rotating machine component. It is common in paper mills, steel processing, and packaging lines where continuous rotation at up to 700 rpm is required.
What are the specifications of the DUFF-NORTON 440320C rotary union?
The DUFF-NORTON 440320C is a straight, plain cast iron rotary union with one passage. It has a 1-1/4" threaded rotating shaft, a maximum speed of 700 rpm, and a carbon graphite seal material. It is supplied by 3G Electric.
Where to buy a DUFF-NORTON rotary union worldwide?
3G Electric supplies the DUFF-NORTON 440320C rotary union to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this genuine DUFF-NORTON part.
How to install a DUFF-NORTON rotary union?
Ensure the rotating shaft threads (1-1/4") are clean and lubricated before installation. Align the union axially to avoid side loads, and verify the supply line is depressurized. Torque to manufacturer specifications. 3G Electric can provide installation guidance for this DUFF-NORTON union.
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.
