Instrument monoflanges are flanged directly to the primary shut-off valve and offer a compact possibility of shutting off or venting the measuring instrument. The valve covers of the instrument monoflanges do have a screwed-in spindle guide. The standard instrument connection is a 1/2 NPT female thread, the standard process connections are flange connections acc. to ASME B16.5. The instrument monoflanges are available with axial, radial and dual (axial and radial) outlets for vertical or horizontal pressure tapping.
Monoflanges are available in block, block & bleed and double block & bleed designs.