DUFF-NORTONStainless Steel Rotating Joints & Unions

DUFF-NORTON 750117C Plain Stainless Steel Rotary Union

The DUFF-NORTON Rotary Union is a straight, plain stainless steel rotating joint with a single passage and a carbon graphite seal, rated for a maximum speed of 1000 rpm (MPN 750117C).

SKU 3G-OTH-465641

Also listed as: 750117 C · 750117-C

Brand

DUFF-NORTON

Item

750117C Plain Stainless Steel Rotary Union

Part Number

750117C

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

DUFF-NORTON

Manufacturer Part Number

750117C

Type

Plain Stainless Steel, Carbon Graphite Seal, Plain 

Passages

1

Maximum Speed

1000 rpm 

Seal Material

Carbon Graphite 

Technical Documents

No technical documents available for this product.

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DUFF-NORTON Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DUFF-NORTON Rotary Union is a straight, plain stainless steel rotating joint with a single passage and a carbon graphite seal, rated for a maximum speed of 1000 rpm (MPN 750117C).

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 machinery, such as drums or rolls. It is common in paper, textile, and metal processing where reliable sealing at up to 1000 rpm is required.

What are the specifications of the DUFF-NORTON 750117C rotary union?

The DUFF-NORTON 750117C is a straight, plain stainless steel rotary union with 1 passage and a carbon graphite seal. It is rated for a maximum speed of 1000 rpm. The seal material is carbon graphite, and the manufacturer part number is 750117C.

Where to buy a DUFF-NORTON rotary union worldwide?

3G Electric supplies the DUFF-NORTON rotary union worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this genuine component and quote it across 14 departments, including specialist expertise in pumps and controls.

How to install a DUFF-NORTON rotary union?

Install the DUFF-NORTON rotary union by aligning the shaft with the rotating equipment, ensuring no side load. Tighten connections per manufacturer torque specs, and verify the carbon graphite seal is properly seated. Always consult the OEM manual for specific installation steps.

Used in

Common applications for DUFF-NORTON

Paper mills — Duff-Norton rotating joints transfer steam and condensate to and from dryer cans, with models rated up to 700 rpm and carbon graphite seals.

Steel processing — Duff-Norton rotating unions handle cooling water to rotating rolls, using cast iron bodies and threaded shafts from 1/4" to 2".

Chemical plants — Duff-Norton two-passage rotating joints supply and return thermal fluids to rotating equipment, with carbon graphite seals for chemical resistance.

Oil and gas — Duff-Norton elbow-type rotating joints transfer oils and gases to rotating machinery, with a maximum speed of 600 rpm and dual passages.

Textile manufacturing — Duff-Norton single-passage rotating joints distribute hot oil to heated rollers, with 1-1/4" threaded shafts and 700 rpm rating.

Food processing — Duff-Norton rotating joints with carbon graphite seals transfer steam for cooking and cleaning, in cast iron construction for durability.

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DUFF-NORTON Products

3G Electric supplies DUFF-NORTON stainless steel 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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