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MOSMATIC 38.163 Rotary Union: Straight - Brass Rotating Joints & Unions
MOSMATICBrass Rotating Joints & Unions

MOSMATIC 38.163 Rotary Union: Straight

The MOSMATIC Rotary Union: Straight (MPN 38.163) is a single-passage, nickel-plated C38500 brass rotating joint for air, featuring a 3/8 in rotating shaft and a ceramic seal, with a maximum speed of 2000 RPM. 3G…

SKU 3G-OTH-464579

Also listed as: 38163 · 38 163 · 38-163

Brand
MOSMATIC
Item
38.163 Rotary Union: Straight
Part Number
38.163
Category
Brass Rotating Joints & Unions
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Technical Specifications

MOSMATIC
Manufacturer Part Number
38.163
Type
Nickel-Plated C38500 Brass, Air
Passages
1
Maximum Speed
2000 RPM
Seal Material
Ceramic
Rotating Shaft
3/8 in

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

Product Description

The MOSMATIC Rotary Union: Straight (MPN 38.163) is a single-passage, nickel-plated C38500 brass rotating joint for air, featuring a 3/8 in rotating shaft and a ceramic seal, with a maximum speed of 2000 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 — to deliver the right answer, not just a catalog.

Frequently Asked Questions

What is the MOSMATIC 38.163 rotary union used for?

The MOSMATIC 38.163 rotary union transfers air from a stationary supply to a rotating shaft in industrial machinery. It is commonly used in packaging, printing, and material handling equipment where a single air passage is needed at speeds up to 2000 RPM.

What are the specifications of the MOSMATIC 38.163 rotary union?

The MOSMATIC 38.163 is a straight, single-passage rotary union with a nickel-plated C38500 brass body. It has a 3/8 in rotating shaft, a ceramic seal, and a maximum speed of 2000 RPM. It is designed for air service.

Where to buy the MOSMATIC 38.163 rotary union worldwide?

3G Electric supplies the MOSMATIC 38.163 rotary union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this OEM-specified component.

How to install the MOSMATIC 38.163 rotary union?

Ensure the rotating shaft is clean and aligned with the union's 3/8 in connection. Use thread sealant on pipe threads, avoid over-tightening, and verify the air supply is filtered. Do not exceed 2000 RPM or use with fluids other than air.

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.
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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.

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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
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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
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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
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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

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