Riser Clamp Standard Plain Finish IPS
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Support vertical pipe at each floor. The riser clamp bolts around a vertical pipe and bears on the floor slab or structural steel, carrying the pipe's weight at each story. Plain (uncoated) finish, IPS sizing.
- Two-piece clamp bolts around the pipe
- Bearing ears rest on the floor slab or structural steel
- Carries vertical pipe (riser) weight at each floor
- Plain/black uncoated steel
- Manufactured to MSS SP-58 pipe support standards
✔ Used by contractors and professionals
✔ Designed for reliable jobsite performance
Overview
Riser clamps carry the weight of vertical pipe at floor penetrations. Two halves bolt around the pipe and the projecting ears bear on the slab or structural steel, transferring load at each story. Plain finish for dry indoor service.
Common Uses
- Supporting vertical pipe risers in multi-story buildings
- Water, steam, and HVAC risers
- Commercial and institutional mechanical systems
- At floor penetrations and structural bearing points
Key Features
- Two-piece bolted design
- Load-bearing ears
- Plain uncoated steel
- MSS SP-58 / SP-69 Type 8
Specifications
| Type | Riser Clamp (Empire Fig. 50) |
| Finish | Plain (Uncoated) |
| Pipe Sizing | IPS |
| Standard | MSS SP-58 / SP-69 Type 8 |
Load Ratings by Pipe Size
Maximum recommended load by pipe size, per Empire Fig. 50 engineering data. Match to your pipe's nominal size and apply your project's factor of safety.
| Pipe Size | Max. Rec. Load (lb) |
| 1/2–1-1/2" | 255 |
| 2" | 300 |
| 2-1/2" | 400 |
| 3" | 530 |
| 3-1/2" | 670 |
| 4" | 810 |
| 5" | 1,500 |
| 6" | 1,600 |
| 8–10" | 2,500 |
| 12–14" | 2,700 |
| 16–30" | 2,900 |
Listings & Standards
- MSS SP-58 / SP-69 Type 8
- UL & ULC Listed (2–8")
Competitor Cross-Reference
| PVF Pro (Empire Fig. 50) | Cooper B-Line | Tolco |
| Riser / Extension Clamp | B3373 | 6 |
Cross-reference is for identification only. Cooper B-Line® and Tolco® are trademarks of their respective owners (Eaton), which are not affiliated with or endorsing Empire Industries or PVF Pro. Always confirm fit and load rating for your application.
Frequently Asked Questions
What is a riser clamp?
It supports vertical pipe (a riser) by clamping around the pipe and bearing on the floor slab or structural steel, carrying the pipe's weight at each floor.
What size do I need?
Match the clamp to your pipe's nominal size (IPS).
Fewer reorders. Lower cost per job. Keeps your crew stocked.