Description
Model: Pilot-Operated Regulators - PP Series Pressure Pilot for HD Regulator by Watson McDaniel
Spring Color: Yellow
Weight lbs: 10
Reduced Pressure Range - PSIG: 3-25 PSIG
Watson McDaniel PP & PP5 Series — Pressure Pilots for HD Regulators
The PP and PP5 Series Pressure Pilots are designed for use with Watson McDaniel HD Regulators to maintain consistent downstream steam pressure. These pilots ensure stable performance even with fluctuating inlet pressure or steam usage.
Product Overview
PP Pressure Pilots (Standard) offer 1.0 PSIG accuracy for most industrial applications, while PP5 Pressure Pilots (Special) provide 0.5 PSIG accuracy for precision control. Each unit is factory-calibrated and engineered for durability and repeatability.
Available Models
- PP Series — Standard industrial applications (1.0 PSIG accuracy)
- PP5 Series — Special applications (0.5 PSIG accuracy)
- Pressure ranges: 3–25, 20–100, 80–200 PSIG (PP); 1–10, 10–25 PSIG (PP5)
- Spring colors: Yellow, Blue, and Red depending on pressure range
Compatibility
Designed exclusively for use with Watson McDaniel HD Regulators. These pilots can also serve as direct replacements for select Spence and Spirax Sarco models where noted.
Installation Notes
- Install and calibrate by qualified personnel only
- BAP-SPACE spacer required for PP5 Pilots on 3" or 4" valves (sold separately)
- For Spence replacement pilots, add Strainer & Blowdown Valve (BD) as specified
- Verify model code, pressure range, and accuracy prior to ordering
Note: These are pilot accessories for HD Regulators and are not standalone pressure control valves.