Pulsation Dampening No Pulp Fiction

18.10.2004

Blacoh Fluid Control was contacted by a major pulp & paper mill in the Northwest who used PCC unloading pumps. The reciprocating action of these air-operated pumps created violent pulsations that caused both pipe stress and mounting fatigue.

In fact, these pulsations often caused the pumps to be pulled from their cement foundations. This created significant downtime, costly foundation repair, environmental hazards, and a dangerous working environment.

To solve the problem, a Blacoh SENTRY IV Pulsation Dampener was installed in the common discharge of the pumps to dampen these pulsations. Since that time, pipe stress and mounting fatigue have been eliminated. Not only have the pumps not been ripped from their cement foundations, but the mill has experienced longer life from pump components such as diaphragms and ball valves.

More articles on this topic

A New “Revolution” in Pulsation Dampening

12.11.2004 -

Blacoh’s “Revolution” Pulsation Dampener was the first of its kind to feature threaded housings instead of metal fasteners, making it nearly impervious to the damaging effects of corrosive environments. Now, the innovation continues as standard PVC construction has been upgraded to CPVC. The benefits of this upgrade are significant.

Read more

Eradicate Hose Abrasion

04.11.2004 -

Blacoh Fluid Control recently was contacted by a large manufacturer of bulk chemicals. They use air operated diaphragm pumps to load chemicals into tanker trucks through a 20’ flexible/ 3” reinforced hose that lies on a concrete floor.

Read more

Even Coverage in Spray Application

27.10.2004 -

Blacoh Fluid Control recently consulted with a decontamination facility that pumped acids through a series of 15° spray nozzles to rinse radiation from contaminated metals. However, the pulsating action of their reciprocating pumps caused uneven spray into the rinse tanks, and in many instances, the metals were not rinsed completely.

Read more
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