Durable Construction: These gauges are constructed from high-quality bronze, ensuring durability and long-lasting performance.
Versatile Connections: Available with 1/2" NPT male pipe connections.
Hand Wheels: Options include aluminum or plastic composition hand wheels for ease of operation.
Automatic Ball Checks: The 20-150 and 20-151 models include automatic ball checks to prevent fluid loss if the glass breaks. The 20-104 and 20-105 models do not have this feature.
Pressure and Temperature Ratings: Rated for 125 psig at 350°F and 300 psig at 100°F, making them suitable for various pressure and temperature conditions.
Standard Drain Valve: Each gauge comes with a standard 1/4" needle drain valve in the lower arm.
Installation:

Glass and Rods: Sold separately.
Formulas for Glass and Rod Lengths:
Glass Length = (Center to Center Dimension) - 1-1/4"
Rod Length = (Glass Length) + 2"
These gauges require two guard rods for proper installation.