Installation of a restriction orifice in a regeneration gas blower solved catalyst plugging and blowouts in a continuous catalyst regeneration (CCR) tower in Saudi Aramco’s Yanbu refinery.

Provision of restriction orifice plates for a GDN debottlenecking project ...

A fixed restricting orifice built into a unit’s internal flow passages slows the automatic extension of the plunger rod. Extension time can range from 6 to 22 sec/in. of stroke.

Supply of restriction orifice platesExclusive news, comment and analysis on the MENA region Exclusive announcements on project news, bids, awards and updates ...