Every good pump operator understands the importance of a functional and regularly maintained stuffing box. When working properly, the stuffing box separates rotating and non-rotating parts within the pump shaft and prevents slurry leakage. Less commonly understood, however,..Read More
Pump Fundamentals Blog
Q: We're seeing the appearance of small cracks in our suction liner and impeller. The wear is unusual and seems premature. What's going on?Read More
What question does GIW hear most often from customers? Hands down, it’s this one: "What does LSA stand for?"
The LSA acronym's current meaning (and the one many readers might know) is "Low Maintenance, Severe Duty, Abrasion Resistant." The original meaning is a bit more..Read More
Water hammer is just one of many phenomena that can turn a normal day of slurry pumping into a nightmare. Since the consequences of water hammer can be severe, pump operators must understand what it is, how it occurs, and how to avoid it.Read More
While GIW Industries, Inc.’s pumps help our customers succeed every day, some materials can break down over time — either from misuse or from contact with abrasive or corrosive materials. One customer recently experienced a leak that resulted from a worn shaft sleeve. Here’s..Read More
Q: Can I reduce pump wear if I install a larger pump?
A: The simple answer is probably not. You can actually increase pump wear if your pump is too large for your particular application.
"This answer seems counterintuitive to many people when they hear it," notes Reab Berry,..Read More
Each day, GIW Industries, Inc., engineers work with our customers to solve problems associated with their pumps. One pump component we get a lot of questions about is the cartridge bearing assembly. We spoke to Jon Keith, GIW Product Manager, about three problems faced by..Read More
The pump performance chart above is a graphical representation of performance for a particular pump. By using this chart, you can see the head, or pressure, that the pump produces at various flow rates and at different speeds. For example, at 560 RPM, the pump will produce..Read More
On a GIW Industries, Inc., LSA or similar pump, a special gasket seals the joint between the suction liner and the pump casing. This gasket is a variation of a simple O-ring gasket, except it has a cross-sectional shape of a trapezoid. The exclusive design provides an..Read More
One pump operator recently came to GIW Industries, Inc., with a startling but not unique problem: Slurry was leaking from the back of his stuffing box. We reached out to Technical Services Manager Kenny Meyer about stuffing box malfunctions, some potential consequences, and..Read More