Our KF25 to 1-20 Thread Tri-clamp Adapter is constructed with 304 stainless steel
It is designed to adapt a Welch Vacuum pump to a KF25 fitting. 

These adapters are KF-25 to Welch vacuum pumps Inlet or Outlet, models 1376, 1380, 1402, 1405, New Style Pumps. 
The flange size ISO-KF NW-25 to Welch pump thread size 1-20. 
They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges

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USA Lab Equipment

Livonia, MI 48150