The 4 Bolt Steam Trap Platform
The 4 Bolt Steam Trap Platform: seamless replacement for high-pressure systems
Many high-pressure steam systems are already built around 4-bolt connections. But when it comes to maintenance or performance upgrades, making changes can feel disruptive, often involving rework, risk, and unnecessary downtime.
Maintaining high-pressure steam systems has always required a careful balance between safety, uptime, and cost. Traditional trap replacement often means breaking into the line, managing permits and accepting planned outages—all of which add complexity and risk to routine maintenance.
The 4 Bolt Steam Trap Platform from Spirax Sarco provides a more straightforward path. Designed to integrate with existing 4-bolt installations, it lets you upgrade your steam-trapping approach without changing the pipework. That means you can improve safety, reduce maintenance time, and standardize your approach across sites, without introducing unnecessary complexity.
It also brings greater confidence during maintenance. With a dedicated high-pressure interface, maintenance teams can be confident the correct trap is installed every time. Combined with fast, repeatable replacement, it helps maintenance teams work more efficiently, particularly in demanding environments where downtime and safety exposure are critical.
Key benefits
Safer, faster, and repeatable steam trap replacement
Save time and money on maintenance needs
Eliminate pipework disturbance and avoid line break-in
Reduce downtime in emergency situations
Increase installation confidence with a dedicated high-pressure interface
Provide clear differentiation for higher pressure lines
Improve plant safety and simplify maintenance processes
Reduce steam loss from leaking steam traps
Support long‑term site standardization of high-pressure steam trapping
Discover the 4 Bolt Steam Trap Platform
Compliance and standards
- Designed for ASME Class 900 high-pressure steam
- Maximum allowable temperature: 482 °C @ 86 bar g / 900 °F @ 1245 psi g
- Available in DN15–DN25 sizes
- Suitable for continuous saturated steam systems
Features
- Dedicated 4-bolt high-pressure pipeline connector (PC90)
- Compatible with thermodynamic (UTDS90) and bimetallic (USM90) steam traps
- Enables trap replacement without pipeline break-in
- Retrofit-compatible with existing 4-bolt installations
- Supports multiple trap technologies on a single connector platform
- Optional configuration including blowdown capability via adapter allows quick strainer cleaning and debris removal while maintaining system uptime and minimizing maintenance intervention
How it tackles key challenges
Reduces incorrect trap selection
Prevents installation errors by only allowing compatible high-pressure traps to fit, reducing risk and improving safety at the point of servicing.
Reduces downtime during maintenance
Enables fast, straightforward replacement with minimal disruption, helping keep systems running and limiting exposure during maintenance activities.
Proven performance for high-pressure applications
Built on proven Spirax Sarco technology, the 4 Bolt Steam Trap Platform delivers a flexible high-pressure steam-trapping solution for Oil & Gas, Chemical, and Power applications, backed by global expertise, application support, and training.
Supports upgrade without redesign
Retrofit compatibility with existing 4-bolt systems means sites can standardize and upgrade performance without re-piping or major system changes.
Reduces safety exposure on high-pressure lines
Reduces manual intervention and complexity, supporting safer working conditions for maintenance teams in demanding environments.
Energy and sustainability pressures
Improves condensate removal and reduces steam losses, helping reduce energy consumption and associated CO₂ output.
Simplify High-Pressure Steam Trap Maintenance
Simplify steam trap replacement, reduce downtime, and move towards a more standardized, maintainable steam system - without changing your pipework
