Stainless Steel Expansion Bellows (Universal Gimbal Type)
1. Robust universal gimbal system with pinned hinge assemblies for multi-directional movement
2. Handles angular rotation simultaneously in any plane within 360-degree range
3. Integrated pressure thrust restraint eliminates need for heavy-duty main anchors
4. Premium stainless steel materials: SS304, SS316L, SS321, and Inconel options
5. Multi-ply bellows construction for extended fatigue life and enhanced safety
6. Seal-free design requires no periodic maintenance, ideal for inaccessible locations
7. Available in flanged or butt-welded connections, DN50-DN3000
8. Perfect for refineries, high-rise utilities, and complex industrial piping systems
Stainless Steel Expansion Bellows (Universal Gimbal Type)
The DEVEL® Universal Gimbal Type Expansion Joint is a precision-engineered flexible assembly consisting of a gimbal ring, cross-pins, hinge plates, and bellows. It is designed to absorb angular rotation in any plane while utilizing the robust gimbal structure to restrain pressure thrust, ensuring the structural integrity of complex piping systems. This advanced configuration handles multi-plane angular rotation movements simultaneously, making it the ideal solution for complex 3D piping layouts in refineries, high-rise utility distribution loops, and industrial complexes.
Key Features at a Glance
- Robust Universal Gimbal System: Equipped with a heavy-duty universal gimbal ring and pinned hinge pin assemblies for reliable multi-directional movement absorption.
- Multi-Plane Angular Flexibility: Handles angular rotation movements simultaneously in any direction within a 360-degree spatial range.
- Pressure Thrust Restraint: The rigid gimbal structure withstands internal pressure thrust, eliminating the need for heavy-duty main anchors.
- Complex 3D Piping Compatibility: Maintains maximum flexibility in intricate piping layouts, ideal for refineries and high-rise distribution systems.
- Premium Stainless Steel Materials: Available in SS304, SS316L, SS321, and Inconel for extreme temperature and corrosive media resistance.
- High Durability Design: Multi-ply bellows construction provides longer fatigue life and enhanced operational safety.
- Reduced Maintenance Requirements: Stable structure requires no periodic adjustment or seal maintenance, perfect for inaccessible installations.
- Dual Connection Options: Available in flanged or butt-welded configurations to suit diverse installation requirements.
Key Technical Advantages
- Multi-directional Absorption Capability: Accommodates angular movement in any direction within a 360-degree range through the innovative gimbal ring structure, providing unmatched flexibility for complex piping geometries.
- Pressure Thrust Restraint System: The robust hinge and pin design effectively restrains pressure thrust forces, protecting downstream equipment and eliminating the need for expensive main anchor structures.
- Extreme Environment Resistance: Premium stainless steel materials ensure reliable performance in high-temperature, high-pressure, and corrosive environments common in petrochemical and power generation applications.
Technical Specifications
| Property | Description |
|---|---|
| Diameter Range | DN50 – DN3000 |
| Pressure Rating | PN6 – PN25 / Class 150 – 600 |
| Bellows Material | SS304, SS316L, SS321, Inconel |
| Connection Type | Flanged / Butt-welded |
| Angular Movement | 360-degree multi-plane rotation |
| Thrust Restraint | Integrated gimbal ring system |
| Construction | Multi-ply bellows with hinge plates |
| Maintenance | Seal-free, no periodic adjustment |
Dimensional Parameter List
Note: Install length based on the Devel factory standard. Other lengths can be changed according to your requirement.
| Nominal Diameter | Number of Convolutions | Install Length | Max Outer Diameter | Angular Movement | ||
|---|---|---|---|---|---|---|
| mm | inch | Weld End | Flange End | |||
| 200 | 8 | 4 | 650 | 670 | 560 | ±2.5° |
| 250 | 10 | 4 | 650 | 674 | 710 | ±2.5° |
| 300 | 12 | 4 | 700 | 774 | 810 | ±2.5° |
| 350 | 14 | 4 | 700 | 774 | 900 | ±2.2° |
| 400 | 16 | 4 | 700 | 774 | 980 | ±1.9° |
| 450 | 18 | 4 | 900 | 874 | 1150 | ±1.7° |
| 500 | 20 | 4 | 900 | 874 | 1280 | ±1.6° |
| 600 | 24 | 4 | 950 | 1024 | 1350 | ±2.2° |
| 700 | 28 | 4 | 1000 | 1124 | 1400 | ±2.2° |
| 800 | 32 | 4 | 1000 | 1124 | 1500 | ±1.5° |
| 900 | 36 | 4 | 1100 | 1224 | 1730 | ±1.8° |
| 1000 | 40 | 4 | 1100 | 1224 | 2000 | ±1.6° |
Typical Applications
Petrochemical Industry
High-temperature and high-pressure pipelines in oil refineries and chemical plants requiring complex 3D routing.
Power Generation
Steam systems in power plants and gas turbine exhaust systems with multi-directional thermal expansion.
High-Rise Buildings
Utility distribution loops in tall structures where vertical and horizontal movement must be accommodated simultaneously.
Municipal Engineering
Protection for areas with severe ground subsidence or in active seismic zones requiring multi-plane flexibility.
District Heating
Large-span thermal heating pipe networks with complex routing through urban infrastructure.
Industrial Complexes
Complex piping layouts in manufacturing facilities requiring pressure thrust restraint without main anchors.
Product Tags
Stainless Steel Bellows
Multi-Plane Angular
Pressure Thrust Restraint
SS304/SS316L
Inconel
DN50-DN3000
Refinery
High Pressure
Maintenance Free
Need a Universal Gimbal Solution for Complex Piping?
Contact DEVEL Engineering for application-specific sizing, material selection, and thrust load calculations.
