Metal Bellows Seal RBW-021 – Durable Axial & Angular Flexibility
Metal Bellows Seal RBW-021 – Durable Axial & Angular Flexibility
Overview
HydroMax Seal RBW-021 | Metal Bellows Balanced Seal with Graphite Wedge Packing
The RBW-021 is a metal bellows balanced mechanical seal designed for demanding internal sealing applications. It features graphite wedge packing as the secondary sealing element and is internally mounted using a set screw fixation to the shaft. The seal supports a wide range of metal bellows materials, meeting various chemical and thermal requirements.
This seal is suitable for high-speed, high-pressure operations and is available in multiple seal face combinations, including Carbon, Antimony Carbon, Tungsten Carbide, and Silicon Carbide.
Product Description
Design Features
- Balanced metal bellows design for pressure stability
- Graphite wedge packing for reliable high-temperature sealing
- Internally mounted and set screw secured
- Bellows are available in Stainless Steel, Alloy C276, AM350, Inconel 718
- Bellows ends available in Stainless, Alloy C4, Alloy C276, Inconel 625
- Compatible with chemically aggressive and thermally intensive environments
Technical Specifications
| Seal Shaft Sizes | 1.000″ – 4.000″ (25mm – 100mm) |
| Inboard Seal Face Combinations | Carbon Antimony Carbon Tungsten Carbide (TC) Silicon Carbide (SiC) |
| Secondary Sealing | Graphite Wedge |
| Shaft Speeds | Up to 25 m/s |
| Pressures | Up to 16 Barg (232 psig) – Shaft Size Specific |
HydroMax Seal RBW-021 provides robust and reliable sealing for critical process conditions that require high-performance materials and balanced design integrity.
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Contact HydroMax Seal
Contact HydroMax Seal today for innovative solutions, expert guidance, and over a century of engineering excellence. Your journey to mechanical sealing excellence starts with HydroMax Seal!
E-Mail: sales@hydromaxseal.com
Address: 18511 Beaumont Hwy Building D
Houston, TX
77049



