HydroFoce 122615 SX12 90-Degree Flange-Mount Swivel, 1/8in NPTF x 3/8in NPTM, 2000 RPM 1665-2125 [1665-2125]

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Part Number: 1665-2125
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HydroFoce 122615 SX12 90-Degree Flange-Mount Swivel, 1/8in NPTF x 3/8in NPTM, 2000 RPM 1665-2125

1/8 in NPT Female Inlet × 3/8 in NPT Male Outlet | 2,000 RPM

The is a compact, high-speed 90-degree rotary union engineered for self-rotating high-pressure cleaning equipment. Its flange-mount design provides a secure installation, while the stainless-steel construction, ceramic sealing system and three-bearing arrangement support smooth rotation in demanding commercial applications.

Before ordering: Match manufacturer part number 1665-2125, the 90-degree flange configuration and both thread sizes. The inlet is 1/8 in NPT female; the outlet is 3/8 in NPT male.

Product Highlights

90-degree fluid path for compact equipment layouts
Flange mounting for a stable, secure installation
Three-bearing design: two radial ball bearings plus one thrust ball bearing
Ceramic sealing system for high-speed, high-pressure service
Integrated weep holes provide a visible early indication of seal leakage
Stainless-steel construction for strength and corrosion resistance
Suitable for water in the pH 3–12 range when filtered to 10 microns

Specifications

Manufacturer	Mosmatic
Manufacturer Part Number	1665-2125
Series / Type	DXFI 90-degree rotary union / swivel
Mounting	Flange mount
Inlet Thread (G1)	1/8 in NPT female
Outlet Thread (G2)	3/8 in NPT male
Nominal Width
Maximum Pressure	2,500 PSI
Maximum Speed	2,000 RPM
Operating Temperature	40°F to 250°F
Body / Internal Material	Stainless steel
Seal Type	Ceramic
Overall Diameter	2.36 in
Overall Length	1.49 in
Weight	Approximately 14.2 oz

Common Applications

Commercial and industrial surface cleaners
Tire and wheel washing equipment
Parts washers and degreasing systems
Other high-speed, self-rotating cleaning assemblies
Used to fix the SX-12 wands that were manufactured after 2025.

Optional 1/4-Inch Inlet Adapter

Installation and Selection Notes

Confirm thread type, thread direction, flange dimensions and available clearance before ordering.
Flush new hoses and plumbing before installation; contamination can damage precision seals.
Use only a thread sealant approved for the operating pressure, temperature and cleaning solution.
Do not clamp or wrench across precision sealing surfaces. Tighten only at the designated wrench flats.
Never exceed the lowest pressure, temperature or speed rating of any component in the complete system.

Fitment responsibility: Product photographs are for reference. Orders are fulfilled by manufacturer part number 38.358. Because equipment may have been modified and similar swivels use different threads or mounts, the buyer must verify compatibility before installation.

Frequently Asked Questions

Is this a straight-through swivel?
No. 1665-2125 has a 90-degree body configuration.

Are the two connections the same size?
No. The inlet is 1/8-inch NPT female and the outlet is 3/8-inch NPT male.

What does leakage from a weep hole mean?
It can indicate seal wear or failure. Stop operation, depressurize the system and inspect the swivel before returning the equipment to service.

Specifications may change without notice. Verify current manufacturer specifications and the markings on the supplied component before installation. Professional installation is recommended for high-pressure rotating equipment.

Steambrite processes shipments daily by Fedex, UPS, and USPS (for small packages), as well as a using a variety of freight carriers for oversized/palletized shipments. While the Steambrite website DOES reflect what is available for purchase, it does NOT reflect available inventory at our local warehouse (San Antonio, TX). Special order, or custom build items may take up to 30 days to arrive, but orders shipped from within Steambrite's warehouse inventory are generally processed and shipped in 2-5 business days. Equipment small enough to be sent by ground should typically arrive within 3-5 business days after shipment. Oversized shipments could take in excess of 6-8 working days to arrive after shipment, and ground shipping times are not guaranteed.
HydroFoce 122615 SX12 90-Degree Flange-Mount Swivel, 1/8in NPTF x 3/8in NPTM, 2000 RPM 1665-2125 [1665-2125]

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This product was added to our store on Monday 28 September, 2026.

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