Em-Lok Adjustable Swivel Ring Hanger (3/8" Rod NFPA) Pre-Galvanized IPS
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NFPA-listed swivel-ring hanger for fire sprinkler pipe. The EM-LOK NFPA swivel ring is the UL/ULC-listed, FM-approved version for NFPA 13 fire-sprinkler systems — the ring bolts around the pipe and threads onto a hanger rod through a swivel nut. Pre-galvanized, sized for 3/8" rod, IPS.
- NFPA 13 fire-sprinkler swivel ring (Fig. 310NF)
- Ring bolts around the pipe; swivel nut threads onto the rod
- Sized for 3/8" threaded rod
- Pre-galvanized (zinc) coating for general corrosion resistance
- Manufactured to MSS SP-58 pipe support standards
✔ Used by contractors and professionals
✔ Designed for reliable jobsite performance
Overview
The swivel-ring hanger is the workhorse of fire-sprinkler pipe support. This is the NFPA version of Empire's EM-LOK swivel ring — UL & ULC listed and FM approved for NFPA 13 systems. The ring closes around the pipe and a swivel nut threads onto the hanger rod, letting the ring align to the run. Pre-galvanized for general corrosion resistance.
Common Uses
- NFPA 13 fire-sprinkler pipe support
- Wet and dry sprinkler systems
- Commercial, institutional, and industrial fire protection
- Anywhere a UL/FM-listed swivel ring is specified
Key Features
- UL/ULC listed, FM approved — NFPA 13
- Adjustable swivel-ring design
- Sized for 3/8" threaded rod
- Pre-galvanized for general corrosion resistance
- MSS SP-58 / SP-69 Type 10
Specifications
| Type | NFPA Swivel Ring Hanger (Empire Fig. 310NF) |
| Finish | Pre-Galvanized |
| Rod | 3/8" |
| Pipe Sizing | IPS |
| Standard | MSS SP-58 / SP-69 Type 10 · NFPA 13 |
Load Ratings by Pipe Size
Maximum recommended load by pipe size, per Empire Fig. 310 engineering data. Match to your pipe's nominal size and apply your project's factor of safety.
| Pipe Size | Max. Rec. Load (lb) |
| 1–3-1/2" | 600 |
| 4–5" | 1,000 |
| 6–8" | 1,250 |
Listings & Standards
- MSS SP-58 / SP-69 Type 10
- UL & ULC Listed and FM Approved (2-1/2–8")
- For NFPA 13 fire-sprinkler systems
Competitor Cross-Reference
| PVF Pro (Empire Fig. 310NF) | Anvil | Cooper B-Line |
| NFPA Swivel Ring Hanger | 69 | B3170NF |
Cross-reference is for identification only. Anvil® and Cooper B-Line® are trademarks of their respective owners, which are not affiliated with or endorsing Empire Industries or PVF Pro. Always confirm fit, listing, and load rating for your application.
Frequently Asked Questions
What makes this the NFPA version?
It is UL & ULC listed and FM approved for NFPA 13 fire-sprinkler systems. Use it where the sprinkler design requires a listed swivel-ring hanger.
What rod does it use?
This hanger is sized for 3/8" threaded rod.
Fewer reorders. Lower cost per job. Keeps your crew stocked.