Spence Engineering D320 D-Pilot 3-20 PSI Spring Range Cast Iron Pilot

Description

The Spence Engineering D320 is a D-Pilot cast iron pilot valve engineered for precise pressure regulation in demanding steam and fluid control applications. Featuring a 3–20 PSI spring range, this pilot valve is designed to work in conjunction with Spence main valves to deliver accurate, stable downstream pressure control across a wide range of industrial and commercial HVAC and process systems.

Key Features

• Spring range: 3–20 PSI for versatile pressure regulation
• Cast iron (CI) body construction for durability and long service life
• D-Pilot design compatible with Spence main valve assemblies
• Provides accurate, stable downstream pressure sensing and control
• Suitable for steam, air, and compatible fluid service applications
• Engineered for reliable performance in commercial and industrial HVAC systems

Product Specifications

• Brand: Spence Engineering
• Model / SKU: D320
• Pilot Type: D-Pilot
• Spring Range: 3–20 PSI
• Body Material: Cast Iron (CI)

Applications

• Steam pressure reducing valve pilot control
• Commercial and industrial boiler and steam distribution systems
• Process heating and HVAC hydronic systems
• Pressure regulation in air and compatible fluid piping systems

Spence Engineering is a trusted name in pressure and temperature control, delivering precision-engineered pilot and main valve solutions for over a century. The D320 D-Pilot is a dependable choice for technicians and engineers who require consistent, repeatable pressure regulation in critical system applications.