The 330_V gasket has an aluminum retainer, while the 319SSN gasket has a stainless steel retainer for areas exposed to chemicals, heavy use or to meet sanitary requirements. Both products are screw applied, with security fasteners (TORX) available for an additional charge.
The Double Swing Hinge (DSH) and Emergency Release Stop (ERS) is also accepted by the OMH for use in high risk areas. Designed for the Behavioral Healthcare market, the DSH has a 100º swing allowing the door to be opened in either direction, and the ERS provides easy access in an emergency situation. For more info click here: Double Swing Hinge and Emergency Release Stop