Bullard Free-Air Pump Quick-Disconnect Coupler – 1/2" Industrial Interchange, 3/8" NPT, Shut-Off (Red Band)

Part Number: S16191
Weight: 0.66 lbs

The Bullard S16191 Free-Air Pump Quick-Disconnect Coupler is a heavy-duty 1/2" Industrial Interchange shut-off style coupler designed for Bullard Free-Air pump respirator systems. Featuring a 3/8" NPT threaded connection and a red shut-off band, this coupler automatically stops airflow when disconnected—enhancing safety and preventing unintended air discharge.

Built for industrial environments where reliability and worker protection are critical, the S16191 ensures secure hose connections, leak-resistant sealing, and dependable shut-off performance.

Specifications

Key Features & Performance Advantages

Shut-Off Safety Mechanism (Red Band)

• Airflow stops automatically when disconnected

• Prevents hose whip, air loss, and unsafe conditions

• Ideal for controlled single-user connections

1/2" Industrial Interchange Compatibility

• Designed for Bullard Free-Air Pump systems

• Connects to standard Industrial Interchange fittings

Durable Industrial Construction

• Withstands heavy-use environments

• Ensures long service life under demanding conditions

Leak-Resistant Quick-Disconnect System

• Smooth, secure engagement

• Maintains stable airflow and tight coupling

3/8" NPT Threaded Connection

• Standardized fitment for Free-Air pump outlet configurations

OEM Cross-Reference