Needle valve HD29

manualisolationdouble block-and-bleed

An integral one-piece double block and bleed root valve assembly for primary isolation of pressure take-offs, with either threaded or welded inlet connection Suitable for double block and bleed applications on pressure and flow measurement services where the valve is either screwed or welded directly into the process pipe or vessel without the need for a flanged connection. Instruments may be mounted directly to the valve outlet or remotely with gauge lines/impulse pipe work.