Quotation Required Item Back Pressure Regulator.Technical Specs.single-stage diaphragm vacuum structure, stainless steel diaphragm pressure transmission, the output pressure is stable, suitable for pure gases, standard gases, corrosive gases, liquids and other medium. Single stage type relief structure Maternal and diaphragm use hard seal form The internal structure easy to purge and with filter can use panel or wall mounting.The maximum input pressure: 6000 psiControlled back pressure: 0-6000psi