Overview
The Apollo 71-506-01 is a manual bronze ball valve from the Apollo 71-500 Series, featuring a spring return deadman handle mechanism. Rated for 600 CWP (psig) cold non-shock and 150 psig saturated steam with vacuum service to 29 inches Hg, this valve is MSS SP-110 compliant and offers reliable flow control in water, steam, and vacuum applications.
Key Features
- Spring return to close (-01) configuration with all stainless steel lever components
- Reinforced seats and blowout-proof stem design
- Chromium plated ball with adjustable packing gland
- Operating torque approximately three times standard valve torque
- Made in the USA with 5 year warranty
- Deadman handle design ensures automatic closure when lever is released
Technical Specifications
- Size: 1-1/4″ NPT female threads
- Body Material: Bronze
- Pressure Rating: 600 CWP (psig) cold non-shock, 150 psig saturated steam
- Port Type: Standard port
- Actuation: Spring return to close with deadman spring return handle
- Weight: 4.18 lbs
- Series: 71-500 Series
- Dimensions: 4″ W x 9″ H x 4″ D
Typical Applications
The Apollo 71-506-01 excels in applications requiring manual isolation with automatic fail-safe closure, including:
- Water distribution and supply systems
- Steam heating and condensate return lines
- Vacuum system isolation
- Industrial water handling and pump discharge control
- Equipment shut-off where operator presence is required
Compatibility & Replacements
Compatible With
- Standard 1-1/4″ NPT female threaded piping systems
- Stainless steel and carbon steel piping
- Copper tube systems (via adapters)
- Low-pressure water, steam, and vacuum service applications
Replaces / Drop-In Replacement For
The Apollo 71-506-01 is the direct replacement for the -01 (spring return to close) version of the 71-500 series 1-1/4″ valve. Model variations include 71-506-08 (spring return to open). Verify compatibility with your system integrator before ordering to confirm port size and end connection type.
Works With
- Any standard 1-1/4″ NPT female end connections
- Manual isolation valve installations
- Deadman handle safety systems
- MSS SP-110 compliant piping designs
