LOOP ENGINEERING

Rotary Unions

Coolant Rotary Union G3/8

Coolant rotary union g3/8 for coolant service — 20 bar max, 6,000 RPM, 90 °C. Factory-direct with OEM/ODM support.

Single Passage (PLACEHOLDER)

Product Overview

LOOP ENGINEERING manufactures single passage rotary unions for coolant service. This Coolant Rotary Union G3/8 features precision bearings, balanced mechanical seals and a corrosion-resistant body — built for continuous rotation in demanding industrial duty. Request a datasheet for full dimensional drawings.

Key Features

  • Reliable coolant rotary union G3/8 design with balanced mechanical seals
  • Corrosion-resistant materials for long service life
  • Low-torque precision bearings for smooth rotation
  • Serviceable seal cavity — easy field maintenance
  • OEM/ODM customization: ports, seals, materials, threads

Applications

Machine tool spindlesRotary index tablesPackaging machineryTextile machinery

Factory-direct manufacturer since 2008

100% pressure tested before shipping

24h engineering response on inquiries

OEM/ODM: your brand, our production

Technical Specifications

ItemSpecification
Passages1 (single)
Port sizeG3/8"
Mediacoolant
Max pressure20 bar
Max speed6,000 RPM
Max temperature90 °C
HousingAluminum (anodized)
ShaftStainless steel 304
SealsNBR standard / FKM, PTFE optional
BearingsPrecision ball bearings, sealed

* Specifications subject to change. Contact us for the current datasheet.

FAQ

Questions Buyers Ask

What media can a coolant rotary union G3/8 handle?

This series handles coolant at up to 20 bar and 6,000 RPM, with temperature ratings to 90 °C.

How long does a coolant rotary union G3/8 last?

Service life depends on duty. With balanced seals and proper lubrication, typical life is 8,000–15,000 hours before seal service.

Can you customize a coolant rotary union G3/8?

Yes — we customize port sizes, thread types, seal materials and shaft lengths for OEM/ODM programs.

REAL FOOTAGE

See It in Action

Every LOOP ENGINEERING rotary union is pressure tested before shipping — verified at 1.5× rated pressure.

Full-Color at Night — real low-light recording

Pressure Tested — verified before shipping

Interested in Coolant Rotary Union G3/8?

Factory-direct pricing, OEM/ODM options and lead times — send your spec and volume, get a quote within 24 hours.