Used Edwards high vacuum valve. Aluminium body. O ring seals allows for easy servicing and high service life. Some discolouration to the flanges but both mating surfaces are smooth and defect free. Vacuum has been used for dry pumping duty, no chemical use. Bores of the valve are clean and smooth. Please see photos. The item shown is the one you will actually receive.

24V feedback sensor. 1/4" BSP port pneumatic port.

More details here:
https://shop.edwardsvacuum.com/products/c41213000/view.aspx