Riser Clamp Standard T-316 Stainless Steel 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. Type-316 stainless steel for maximum corrosion resistance. 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
- Type-316 stainless steel for chloride, marine, and chemical environments
- 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. Type-316 stainless steel adds molybdenum for superior resistance to chlorides and aggressive chemicals.
Common Uses
- Supporting vertical pipe risers in coastal and marine buildings
- Chemical process and wastewater facility risers
- Wet and washdown areas
- At floor penetrations and structural bearing points
Key Features
- Two-piece bolted design
- Load-bearing ears
- Type-316 stainless steel — maximum corrosion resistance
- MSS SP-58 / SP-69 Type 8
Specifications
| Type | Riser Clamp (Empire Fig. 50) |
| Material | T-316 Stainless Steel |
| 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
- Stainless steel is MSS-compliant; UL & ULC listing applies to the plain and galvanized finishes
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
316 vs 304 — which do I need?
Type-316 adds molybdenum for better resistance to chlorides and harsh chemicals — preferred in coastal, marine, and aggressive process environments.
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.