Precision Locking at Any Position
Advanced lockable gas springs combining support, control, and reliability. Choose between rigid zero-displacement locking or elastic soft-rebound technology.
Why Lockable Gas Springs?
More than just support—precision positioning with confidence
Zero Displacement Locking
Rigid locking provides completely stable support without any movement, ensuring precise position retention.
Flexible Solutions
Elastic locking offers soft-rebound cushioning for applications requiring gentle positioning.
High Load Capacity
Withstand lateral forces ≥ 2,000 N with reliable locking force plateau performance.
Rigid vs. Elastic: The Core Difference
Rigid Locking
- Zero Displacement – Completely rigid support
- Dual Chamber – Oil-gas separation with floating piston
- High Locking Force – ≥ 2,000 N lateral capacity
- Best For – Operating tables, tooling fixtures, aircraft bins
Elastic Locking
- Soft Rebound – Allows ≤ 5 mm elastic displacement
- Single Chamber – N₂ + lubricating oil mixture
- Cushioning Effect – Gentle positioning with damping
- Best For – Wheelchairs, hospital beds, office furniture
| Feature | Rigid Locking | Elastic Locking |
|---|---|---|
| Internal Structure | Oil-gas separation, dual chamber | Oil-gas mixture, single chamber |
| Locking Medium | Hydraulic oil (sealed) | N₂ + lubricating oil |
| Locked Performance | Zero displacement | ≤ 5 mm elastic displacement |
| Locking Force | High (≥ 2,000 N) | Moderate with cushioning |
| Compression Ratio | High | Low |
| Force Range | 200–1,200 N | 200–1,200 N |
| Stroke Range | 50–300 mm | 50–500 mm (customizable) |
Real-World Applications
Medical
- •Wheelchair backrests
- •Hospital bed height adjustment
- •Operating table positioning
Furniture & Office
- •Seat height adjustment
- •Keyboard tray positioning
- •Lifting display stands
Industrial
- •Tooling fixtures
- •Equipment positioning
- •Workstation adjustment
Aviation
- •Aircraft overhead bins
- •Cargo door control
- •Cabin equipment support
Locking Force Performance
The locking force curve shows the stability plateau—the higher and flatter the plateau, the more reliable the locking performance.
Rigid Locking
- • Long, stable plateau region
- • Theoretical spring ratio: 1.28–1.44
- • Superior load retention
- • Ideal for high-rigidity applications
Elastic Locking
- • Gradual force curve with cushioning
- • Softer load response
- • Better for comfort-focused applications
- • Gentle positioning with damping
Safety Selection Principle
Always ensure: Plateau Force ≥ Customer's Maximum Lateral Load × 1.5 Safety Factor
Quick Selection Guide
Selection Formulas
Rigid Locking: S = working stroke, L = extended length (mm)
Smax = L / 2.4 – 22 mm
Elastic Locking: S = working stroke, L = extended length (mm)
Smax = L / 2 – 26.5 mm
Key Parameters
Force Range
200–1,200 N
Stroke Range
50–300 mm (up to 500 mm)
Release Mechanism
≤ Ø8 mm pin or top button
Standard Series
KQ10-22, KQ10-26, KQ10-28
Cycle Life
10,000+ cycles without leakage
Pressure Retention
≤ 5% drop over 24 hours
Precision Manufacturing Process
Every lockable gas spring undergoes rigorous quality control with specialized precision assembly steps.
Key Difference
Compared to standard gas springs, lockable versions include a critical precision assembly step for the floating piston, needle valve, and steel ball locking mechanism.
Quality Assurance
Force characteristic testing, pressure retention verification, and 10,000-cycle leakage testing ensure long-term reliability and performance.
We Solve Your Challenges
Long Lead Times
We reduce delivery from 8–12 weeks to 2–4 weeks as a direct replacement for Stabilus, Suspa, and Hahn products.
Micro-Movement After Locking
Switch to our Rigid Series (KQ10-28 Rigid) for zero-displacement performance.
Release Mechanism Mismatch
We offer full customization for ≤ Ø8 mm side pins or top buttons to fit your existing structure.
Missing Technical Drawings
We provide sample measurement + CAD + 3D PDF within 48 hours.
Incomplete Certifications
We deliver TS16949, ISO9001, RoHS, 96-hour salt spray, and SGS reports—all in one package.