Flanged style eliminates the potential for cross threading during installation. Bolts, nuts, gaskets and flanged adaptor can be purchased at additional cost.
Standard Features – UL US & Canada Listed – Buna N 0 Ring – provides vapor tight seal – Spring Actuated-assures accurate opening pressure – All Aluminum Construction-lightweight for easy handling and installation. – Also, no rust issues from scratches or weathering – Pressure relief set at 0.5 PSI – Bolt pattern conforms to ANSI B16.5 specifications