Fisher 7790B Spring Return Pneumatic Actuator | 7790B-sss
Fisher 7790B-SSS spring return pneumatic actuator with stainless steel construction. Designed for reliable valve automation in process control applications.
The Fisher 7790B-SSS is a high-performance spring return pneumatic actuator engineered for demanding process control applications. This unit combines robust construction with precise control capabilities, making it ideal for automated valve positioning in chemical processing, oil and gas, and other industrial environments.
Built with stainless steel components for superior corrosion resistance, the 7790B-SSS actuator delivers reliable operation in harsh conditions. The spring return mechanism ensures fail-safe operation by automatically returning the valve to its predetermined position upon loss of air supply, providing critical safety functionality for process systems.
Availability
In stock
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse.
Catalog pricing
Add this item to your cart or contact Z Power Electric for quantity pricing, lead-time support, and backorder recovery.
- 30-day returnsOn standard orders
- 24-hour quoteFrom our sourcing team
Quick facts
- Brand
- Fisher
- Part number
- 7790B-SSS
- Condition
- New
- Category
- Valves & Fluid Power
Also searched as
7790BSSS · 7790B SSS
Product tags
Product overview
This actuator features Fisher's proven design principles, offering excellent repeatability and long service life. The compact design allows for easy installation and maintenance while providing the torque output required for most quarter-turn valve applications. Compatible with Fisher's complete line of valve accessories and positioners for enhanced control precision.
Specifications
- Type
- Spring Return Pneumatic Actuator
- Construction
- Stainless Steel
- Operating Medium
- Compressed Air
- Operating Pressure Range
- 3-15 PSI (approximately)
- Temperature Range
- -40°F to 200°F (approximately)
- Action
- Spring Return
- Connection
- Standard pneumatic fittings
- Mounting
- Standard ISO mounting pattern
- Weight
- Verify with manufacturer
Key features
- Stainless steel construction for corrosion resistance
- Spring return mechanism for fail-safe operation
- Compact design for easy installation
- High torque output for quarter-turn valve applications
- Compatible with Fisher positioners and accessories
- Proven reliability for critical process control
Part number breakdown
7790B-SSS Breakdown:
7790B = Base actuator model series
SSS = Stainless Steel construction designation
Why buy from Z Power Electric
- Independent Sourcing — We source through independent channels to find parts others can't.
- Quality Assurance — Every part is inspected and verified before shipping.
- Fast Response — 24-hour quote turnaround on most requests.
- Global Reach — Serving maintenance teams and procurement managers worldwide.
Not what you're looking for? We source alternates, discontinued parts, and backordered inventory for urgent maintenance needs.
Request a quoteQuestions about this part
Where can I buy the Fisher 7790B-SSS?
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse. Z Power Electric is an independent MRO supplier in Calimesa, California — we buy outside authorized distribution, which is why we can quote parts that a standard distributor shows as unavailable.
Is the Fisher 7790B-SSS discontinued or obsolete?
Manufacturer lifecycle status changes by part number and region, so we confirm it per quote rather than publishing a claim that may be out of date. Either way it does not change what we do: we source discontinued, obsolete, and backordered parts as a matter of course, and the quote states whether we located the original or are proposing an equivalent.
How long does it take to get a quote on the Fisher 7790B-SSS?
We respond to every sourcing request within 24 hours, and the quote states a confirmed ship date rather than an estimate. Mark the request urgent if the part is holding up a line.
Is Z Power Electric an authorized Fisher distributor?
No — and that is the point. Z Power Electric is an independent supplier, so we are not limited to Fisher's authorized channel or its order book. We source through surplus, new-old-stock, and independent inventory, and we state the condition and source channel of every unit on the quote.
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