Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MOSMATIC Plain 304 Stainless Steel Rotary Union - Stainless Steel Rotating Joints & Unions
MOSMATICStainless Steel Rotating Joints & Unions

MOSMATIC Plain 304 Stainless Steel Rotary Union

The MOSMATIC Rotary Union: Straight is a plain 304 stainless steel rotating joint designed for air service, featuring a single passage and a 3/8-inch rotating shaft. It is built with a carbide seal and supports a…

SKU 3G-OTH-465651

Also listed as: 55163 · 55 163 · 55-163

Brand
MOSMATIC
Item
Plain 304 Stainless Steel Rotary Union
Part Number
55.163
Category
Stainless Steel Rotating Joints & Unions
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MOSMATIC
Manufacturer Part Number
55.163
Type
Plain 304 Stainless Steel, Air
Passages
1
Maximum Speed
2000 RPM
Seal Material
Carbide
Rotating Shaft
3/8 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MOSMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MOSMATIC Rotary Union: Straight is a plain 304 stainless steel rotating joint designed for air service, featuring a single passage and a 3/8-inch rotating shaft. It is built with a carbide seal and supports a maximum speed of 2,000 RPM (MPN 55.163).

Frequently Asked Questions

What is the MOSMATIC rotary union used for?

The MOSMATIC rotary union transfers air from a stationary supply line into rotating machinery. It is commonly used in industrial applications such as packaging, printing, and material handling where a single passage air connection is needed on a 3/8-inch rotating shaft.

What are the specifications of the MOSMATIC rotary union?

This MOSMATIC rotary union is a straight, plain 304 stainless steel model with one passage, a 3/8-inch rotating shaft, and a carbide seal. It is rated for air service at a maximum speed of 2,000 RPM. The manufacturer part number is 55.163.

Where to buy the MOSMATIC rotary union worldwide?

3G Electric supplies the MOSMATIC rotary union MPN 55.163 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this stainless steel rotating joint.

How to install a MOSMATIC rotary union?

Ensure the rotating shaft is clean and aligned with the machine axis. Use thread sealant on stationary connections, not on the rotating shaft. Verify air supply pressure and speed do not exceed the 2,000 RPM rating. Consult the manufacturer manual for specific torque values.

Used in

Common applications for MOSMATIC
Industrial cleaning — MOSMATIC Pressure Washer Wand (MPN 81.925) for high-pressure cleaning up to 4,000 psi and 250°F.
Air transfer in rotating machinery — MOSMATIC Rotary Union: Straight (MPN 30.051) for single-passage air service at speeds up to 30 RPM.
High-speed air applications — MOSMATIC Rotary Union: Straight (MPN 56.163) with carbide seal, rated for 2000 RPM.
Fluid transfer in rotating equipment — MOSMATIC Rotary Union: Elbow (MPN 40.032) with 3/8 in threaded rotating shaft.
Surface preparation — MOSMATIC spray guns with rotating spinner head for enhanced cleaning coverage.
Maintenance and repair — MOSMATIC rotating joints and unions for replacing worn components in rotating systems.
Not sure this is the right part? Photo-identify it→

MOSMATIC Products

3G Electric supplies MOSMATIC stainless steel rotating joints & unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MOSMATIC

View all MOSMATIC parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first