Within the hydraulic cylinder sector, tie rod and welded hydraulic cylinders remain the primary options. Both types produce linear thrust using hydraulic power, yet significant differences exist in structural design, pressure limits and suitable equipment applications.
Welded Hydraulic Cylinders
In contrast to tie rod models, welded hydraulic cylinders utilise a fully integrated welded construction. The barrel, end caps and oil ports are fused together, eliminating external tie rods entirely. As a result, only the front gland can be taken apart to complete routine minor maintenance.
- Working pressure: 5,000 PSI or higher to accommodate heavy-duty loads
- Pros: Compact, streamlined outer casing that avoids debris accumulation, robust structural rigidity, flexible customisation of port locations, support for both single and double-acting configurations, superior sealing performance against leakage
- Cons: Full cylinder overhauls require professional welding services in dedicated workshops, alongside greater initial purchase costs
- Best uses: Construction machinery, mining equipment, agricultural vehicles and compact mobile machinery operating within restricted installation space
This style uses long steel tie rods to clamp square end caps and cylinder barrel together, complying with NFPA industry standards for fully interchangeable parts.
- Max operating pressure: Around 3,000 PSI for medium/low-pressure work
- Pros: Simple modular build, easy full disassembly and on-site repair with basic tools, affordable, standard spare parts widely available
- Cons: Bulky exterior, exposed tie rods easily collect dirt, not fit for ultra-high pressure
- Best uses: Stationary industrial machines, assembly lines, machine tools and light hydraulic presses
How to Choose the Right Cylinder
Pick welded hydraulic cylinders if:
- High pressure, heavy shock loads or outdoor harsh environments
- Installation space is restricted
- You need durable, low-leakage performance
Pick tie rod hydraulic cylinders if:
- Your system runs under 3,000 PSI
- Low cost and quick field repairs are priorities
- You use standard stationary industrial equipment
Many heavy-duty upgrades replace tie rod cylinders with welded hydraulic cylinders to cut leak risks and extend service life.
Custom Cylinder Solutions
We offer custom tie rod and welded hydraulic cylinders matched to your bore, stroke, pressure and mounting requirements. Reach out for technical advice and quotations if you have custom specifications.
