303 Stainless Steel Window Flow Sights are primarily used in low pressure oil lines. The air-tight glass sight allows visual observation of the liquid flow, clarity, and condition. There are no restrictions on the inside of the sight, resulting in the full flow of liquid, equal to the respective pipe size. The unit can be installed in any position (horizontally, vertically, or at an angle).
| Items |
 B4766-1B 303 Stainless Steel Window Flow Sight, 1/8” Female NPT Inlet, 1/8” Female NPT Outlet, Buna-N Seals |
 B4766-2B 303 Stainless Steel Window Flow Sight, 1/4” Female NPT Inlet, 1/4” Female NPT Outlet, Buna-N Seals |
B4766-3B 303 Stainless Steel Window Flow Sight, 3/8” Female NPT Inlet, 3/8” Female NPT Outlet, Buna-N Seals |
 B4766-4B 303 Stainless Steel Window Flow Sight, 1/2” Female NPT Inlet, 1/2” Female NPT Outlet, Buna-N Seals |
B4766-5B 303 Stainless Steel Window Flow Sight, 3/4” Female NPT Inlet, 3/4” Female NPT Outlet, Buna-N Seals |
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| Port | 11/32" dia | 7/16" dia | 37/64" dia | 9/16" dia | 3/4" dia | |||||
| Approximate Flow Rate | Equal to Pipe Size | |||||||||
| Inlet | 1/8" Female NPT | 1/4" Female NPT | 3/8" Female NPT | 1/2" Female NPT | 3/4" Female NPT | |||||
| Outlet | 1/8" Female NPT | 1/4" Female NPT | 3/8" Female NPT | 1/2" Female NPT | 3/4" Female NPT | |||||
| Max Pressure | 125 PSI | |||||||||
| Sight Material | Glass | |||||||||
| Body | 303 Stainless Steel | |||||||||
| Seals | Buna-N | |||||||||
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