Fisher Volume Booster 2625-12

Fisher 2625 Series Volume Boosters Work alongside a positioner on throttling valves. Speed up stroking time.
2625NS – Built for nuclear service. Uses elastomeric parts that hold up to high heat and radiation.
2625 & 2625SST – Certified for SIS applications. Certification from exida®, a global name in functional safety.

•Fisher 2625 Series Volume Boosters Sudden signal change? Delivers the air volume needed for fast actuator stroking.

•Built-in bypass restriction lets you tune the response. Keeps things smooth during slow signal changes.

•Soft seats seal tight. Cuts wasted air. Keeps positioner relays from saturating.

•Fast stroking when you need it. Steady-state accuracy stays intact.

•SIS certified. Meets safety system requirements.

•Where Fisher 2625 Works Best Industries it fits
Refining, petrochemical, power generation, chemical processing, water treatment, steam systems. Pretty much anywhere valves need to move fast.
•Right for the job when
Valves are large or need quick response.Setpoints change often.You need fast stroking but can't lose steady-state accuracy
•Also counts for safety
SIS-certified versions available. Good for critical applications where reliability matters most.

Fast, reliable delivery
Stock ready to ship. Short lead times. We move when you need it.
Real engineering support
Not just sales-engineers who understand valves, sizing, and compatibility. Ask us anything.
Global track record
Worked with plants and projects around the world. Consistent quality. Trusted name.
One-year warranty
On everything. No fine print. Just peace of mind.
Packaged right
Each unit packed tight. Reinforced boxes, foam inserts. All parts and docs included.
Flexible shipping
Courier, air, sea, or consolidated. Shipped with carriers we trust.

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