Fortis PI 400 | Control Room Chair | 24/7
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If you often wake up sore, or feel your current chair isn't supporting you, the Fortis PI-400 is the solution for you!
Certified for 24-hour use and built to support users up to 150 kg, this chair delivers premium comfort, adjustability, and durability, making it the ultimate choice for demanding work environments.
Unmatched Support for Long Hours
Developed for professionals who spend long hours seated, from control rooms and call centres to corporate offices and home workstations, the Fortis PI-400 provides total ergonomic support to reduce fatigue, neck strain, and back pain. Every component is engineered for comfort that lasts through extended shifts and intense workloads.
Fully Adjustable for Perfect Posture
Stay supported in any position with an extensive range of customisation options:
- 4D armrests (height, width, angle, depth)
- Adjustable seat depth and angle for ideal leg positioning
- Synchronized tilt with multi-position locking
- Height-adjustable leather headrest for precise neck support
- Wide, contoured seat and lumbar-aligned backrest for posture correction
Together, these features help align your spine, head, and neck to maintain natural posture, even during long hours of focused work.
Built for Heavy-Duty, 24/7 Performance
While most office chairs are designed for standard 8-hour use, the Fortis PI-400 is BS 5459-2:2000 +A2:2008 certified for continuous 24-hour operation. Its reinforced aluminium base, high-density foam cushioning, and abrasion-resistant fabric (rated 130,000 Martindale cycles) guarantee long-term durability and consistent comfort even under heavy use.
Premium Materials & Finish
A leather headrest adds a touch of luxury while providing extra durability. The chair’s materials are selected for longevity and easy maintenance — simply follow the included care instructions for effortless upkeep.
Tested and Certified for Safety and Quality
- EN 1335-1:2020 – Dimensional compliance
- EN 1335-2:2018 – Safety requirements
- BS 5459-2:2000 +A2:2008 – Certified for 24-hour, heavy-duty use
Key Features
- Weight: The sturdy frame makes it heavier than standard chairs, ensuring stability but requiring care when moving.
- Price: A premium ergonomic chair at a competitive value, offering features and build quality that rival higher-end models.
- Fit range: Designed for most body types, though extremely tall or short users may find limits in adjustment range.
- Leather care: Occasional cleaning maintains the look and lifespan of the headrest.
What You Need To Know
The Fortis PI-400 is a premium, heavy-duty ergonomic chair engineered for comfort, support, and performance in demanding environments. With wide adjustability, robust build quality, and full certification for 24-hour use, it’s an investment in your health, posture, and productivity, built to perform when you need it most.
👉 Don’t wait, your back will thank you.
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Posture Tips & Improved Ergonomics
Sitting for long periods can often lead to discomfort or pain, especially in areas like your hips, lower back, and tailbone. Here are some simple, effective tips to help improve your posture and reduce common issues like hip pain when sitting, lower back pain when sitting, and tailbone pain when sitting.
1. Support Your Lower Back
If your lower back hurts when sitting, it's often due to a lack of proper support. Make sure your chair has good lumbar support to keep your spine aligned. You can also use a small cushion to provide extra support if needed.
2. Keep Your Hips at the Right Angle
When your hip hurts when sitting, it may be due to poor alignment. Your hips should be level with or slightly higher than your knees. Adjust your chair height so your feet are flat on the ground and your knees form a 90-degree angle. This can help reduce hip joint pain while sitting and prevent buttock pain when sitting and lying down.
3. Adjust Your Seat Position
For those dealing with coccyx pain when sitting or a sore tailbone from sitting, ensure your seat isn’t pressing too hard on your tailbone. Try a cushion with a cut-out section to relieve pressure on the tailbone and improve comfort.
4. Move Regularly
If you feel buttock ache when sitting or hip discomfort when sitting, it's a sign that your body needs a break. Stand up, stretch, or take a short walk every 30-60 minutes. Regular movement can ease tension and prevent hip ache when sitting or lower back pain while sitting.
5. Exercise for Strength and Flexibility
A good workout for back pain can strengthen your core and back muscles, reducing discomfort. Exercises like gentle stretches or yoga can help relieve bottom pain when sitting, butt pain while sitting, and improve overall posture.
By following these posture tips and incorporating ergonomic tips into your daily routine, you can reduce discomfort and improve your overall well-being while sitting. Make sure to listen to your body and adjust your workspace as needed to stay comfortable throughout the day.
Download Your FREE Posture Watch Poster!
Get Serious About Your Posture With This Helpful, Free Reminder!
Alternative Products
Fortis Air PI 300 | Ergonomic Office Chair
Invictus PI 4000 | Back Care Office Chair
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