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 Brass Rotating Joint, 3/8 in, Air, 30 RPM - Brass Rotating Joints & Unions
MOSMATICBrass Rotating Joints & Unions

MOSMATIC Brass Rotating Joint, 3/8 in, Air, 30 RPM

The MOSMATIC Rotary Union: Straight (MPN 30.654) is a nickel-plated C38500 brass rotating joint designed for air service, featuring a single passage and a 3/8 in stationary port. It supports a maximum speed of 30…

SKU 3G-OTH-464607

Also listed as: 30654 · 30 654 · 30-654

Brand
MOSMATIC
Item
Brass Rotating Joint, 3/8 in, Air, 30 RPM
Part Number
30.654
Category
Brass 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
30.654
Type
Nickel-Plated C38500 Brass, Air
Passages
1
Maximum Speed
30 RPM
Stationary Port
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 (MPN 30.654) is a nickel-plated C38500 brass rotating joint designed for air service, featuring a single passage and a 3/8 in stationary port. It supports a maximum speed of 30 RPM. 3G Electric interprets your demand for this OEM-specified component, sourcing it across 14 industrial departments with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the MOSMATIC rotary union used for?

The MOSMATIC rotary union (MPN 30.654) 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 air passage is needed at speeds up to 30 RPM.

What are the specifications of the MOSMATIC rotary union 30.654?

This MOSMATIC rotary union is a straight, nickel-plated C38500 brass unit with 1 passage and a 3/8 in stationary port. It is designed for air service and supports a maximum speed of 30 RPM. The manufacturer part number is 30.654.

Where to buy MOSMATIC rotary union 30.654 worldwide?

3G Electric supplies the MOSMATIC rotary union 30.654 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this OEM-specified component for your rotating air application.

How to select the right MOSMATIC rotary union for air?

Select a MOSMATIC rotary union based on media (air), port size (3/8 in), number of passages (1), and maximum speed (30 RPM). Ensure the union material—nickel-plated C38500 brass—is compatible with your operating environment. 3G Electric can help confirm fitment for your machinery.

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 brass 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 →
This MOSMATIC rotary union is a straight, single-passage joint made of nickel-plated C38500 brass. It transfers air from a stationary supply line into rotating machinery, supporting speeds up to 1000 RPM. The 3/8 in stationary port connects to fixed piping. Typical applications include industrial automation, packaging, and material handling equipment requiring a leak-free air connection
MOSMATIC
This MOSMATIC rotary union is a straight, single-passage joint made of nickel-plated C38500 brass. It transfers air from a stationary supply line into rotating machinery, supporting speeds up to 1000 RPM. The 3/8 in stationary port connects to fixed piping. Typical applications include industrial automation, packaging, and material handling equipment requiring a leak-free air connection
Single-passage rotating joint for transferring air from a stationary supply line into rotating machinery. Constructed of nickel-plated C38500 brass with a 1/4 in stationary port. Maximum operating speed of 30 RPM. Suitable for low-speed rotary applications such as indexing tables, reels, or air-actuated clutches
MOSMATIC
Single-passage rotating joint for transferring air from a stationary supply line into rotating machinery. Constructed of nickel-plated C38500 brass with a 1/4 in stationary port. Maximum operating speed of 30 RPM. Suitable for low-speed rotary applications such as indexing tables, reels, or air-actuated clutches
Nickel-plated C38500 brass rotating joint for air service with a single passage and 1/2 in stationary port. Supports maximum speed of 30 RPM. Used in low-speed rotary applications such as indexing tables, reels, or packaging equipment where a compact, straight union configuration is required
MOSMATIC
Nickel-plated C38500 brass rotating joint for air service with a single passage and 1/2 in stationary port. Supports maximum speed of 30 RPM. Used in low-speed rotary applications such as indexing tables, reels, or packaging equipment where a compact, straight union configuration is required

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first