Description
The Spence Engineering 05-05012-00 is an OEM replacement Black Spring designed for use with Spence F/D-Pilot pressure regulating valves. Engineered to maintain precise pressure control across a wide operating range, this spring is a critical internal component that determines the setpoint range of the pilot assembly.
Product Overview
Spence Engineering is a trusted name in steam and fluid pressure regulation, and this replacement spring is manufactured to the same exacting standards as the original equipment. The Black Spring designation corresponds to a pressure range of 20–150 PSI, making it suitable for medium-to-high pressure pilot regulator applications in commercial and industrial HVAC, steam distribution, and process systems.
Key Features
- OEM replacement spring for Spence F/D-Pilot pressure regulating valves
- Pressure range: 20–150 PSI (Black Spring designation)
- Designed for precise pilot setpoint adjustment and stable pressure regulation
- Manufactured to Spence Engineering’s original design specifications
- Compatible with Spence F-Type and D-Type pilot-operated pressure regulators
- Supports reliable, long-term performance in demanding steam and fluid systems
Typical Applications
- Steam pressure regulation in commercial and industrial HVAC systems
- Pilot-operated pressure reducing valve (PRV) assemblies
- Process fluid pressure control systems
- Boiler room and steam distribution networks
Why Choose Genuine Spence Engineering Parts?
Using genuine OEM replacement components like the 05-05012-00 Black Spring ensures your Spence pilot regulator maintains its original performance characteristics, including accurate pressure setpoint control and long service life. Aftermarket springs may not meet the precise load and deflection specifications required for stable pilot operation.
Specifications
- SKU: 05-05012-00
- Brand: Spence Engineering
- Component Type: Replacement Pilot Spring
- Color Code: Black
- Pressure Range: 20–150 PSI
- Compatible Equipment: Spence F/D-Pilot Pressure Regulating Valves







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