Em-Lok Adjustable Swivel Ring Hanger (3/8" Rod NFPA) Pre-Galv with Gray Felt IPS
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NFPA-listed swivel-ring hanger with felt lining. The EM-LOK NFPA swivel ring is the UL/ULC-listed, FM-approved version for NFPA 13 fire-sprinkler systems, with a gray felt lining that cushions the pipe. Pre-galvanized, sized for 3/8" rod, IPS.
- NFPA 13 fire-sprinkler swivel ring (Fig. 310NF)
- Gray felt lining cushions the pipe
- Ring bolts around the pipe; swivel nut threads onto the 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
This is the NFPA version of Empire's EM-LOK swivel ring with an added gray felt lining — UL & ULC listed and FM approved for NFPA 13 systems. The felt cushions the pipe at the support point, useful where noise or condensation is a concern. The ring closes around the pipe and a swivel nut threads onto the hanger rod. Pre-galvanized for general corrosion resistance.
Common Uses
- NFPA 13 fire-sprinkler pipe support in occupied spaces
- Sprinkler runs where noise/condensation control matters
- Commercial, institutional, and industrial fire protection
- Anywhere a UL/FM-listed swivel ring is specified
Key Features
- UL/ULC listed, FM approved — NFPA 13
- Gray felt lining cushions the pipe
- 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 — Felt-Lined (Empire Fig. 310NF) |
| Finish | Pre-Galvanized, Felt-Lined |
| 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
Why felt-lined for sprinkler work?
The felt cushions the pipe at the support point, helping with noise and condensation — while keeping the UL/FM NFPA listing.
What rod does it use?
This hanger is sized for 3/8" threaded rod.
Fewer reorders. Lower cost per job. Keeps your crew stocked.