Suttner Safety Relief Valves. Suttner ST-230 is used to control or limit the pressure on your machine which can build up by a process upset, instrument or equipment failure. It boasts a forged brass housing, stainless steel ball and valve seat. It also includes special seals for maximum heat and chemical resistance. The valve member rides on elastomeric cushion, eliminating metal to metal contact, a common cause of regulator failure.

Suttner ST-230 200230500, 200230510, 200230600.

Repair Kits 200230495, 200230496.