HAVI Modular Mounting Manifolds are specifically designed with butterfly mounting arrangement which is compatible with the Shell speciation for Process Instrumentation. A standard series of 2 Valve & 4 Valve manifolds for pressure measurement. The Instrument Manifolds provide Isolate & Drain function for local instrument or indicator mounting.? Hydrostatic Test certificate along with complete chemical & physical material certificates. The main distinction of MMV series is that it eliminates the need for extra mounting accessories & reduces pipe work on site as these specially designed Manifolds can be easily assembled to a standard mounting plate