Bronze circulation controller 3/4'' bsp+ viton seal

• Maintenance-Free Design: 

Bolt-on-body design requires no special maintenance or torqueing sequence in order to prevent leaks, resulting in safer operation than units using tie rods to fasten the lens and seal to the body

• Dimensional Interchangeability: 

Feature end-to-end dimensions that match Jacoby-Tarbox and Penberthy and other manufacturers' units. 

• High Vacuum-Service Rating: 

Rated for vacuum service up to 635 mm (25”) at 85.5% vacuum, which equates to 12.3-psi (0.84 bar) vacuum