Better shaft bearing materials lead to longer life Review Vertically suspended pumps with separate discharge (API Type VS4, shown in Figure 1) are generally used for sump pumps or waste water pumps. These pumps are a frequent source of headaches. The shaft bushings...
CATEGORIES
- BB3 Pump
- Boulden B-1050
- Boulden News
- DuPont™ Vespel® CR-6100 Solutions
- Lomakin Effect
- M-161 babbitt impregnated carbon graphite
- M-310 nickel impregnated carbon graphite material
- Metcar M-161
- Metcar M-310
- Pump efficiency
- Vertical Pump Shaft Bearings
- Vertical Pump Shaft Bushing
- VibVue Pro System
- wastewater shaft bearings
Save Money on Your Next BB3 Pump Overhaul
How to re-use the worn wear rings for better performance Axially split, between bearings multi-stage pumps (API Type BB3) are used for some of the most important services in the hydrocarbon processing industry–charge pumps, boiler feed pumps, and product...
Solving Vertically Suspended Barrel Pump Failures
Between 2011 and early 2012, a refinery suffered repeat failures of a pair of vertical pumps. Looking at the cross section, you can see this is not an ordinary pump. It is essentially a BB5 multi-stage diffuser pump mounted vertically.The pumping conditions are also...
Case Study: Upgrade of Boiler Feed Water Pumps
BB5 boiler feed water pump upgraded to Vespel® CR-6100 with the PERF-Seal® design for the wear partsLast week, we wrote about a boiler feed pump case history where the customer paid dearly because they didn’t use Vespel® CR-6100. Repeated failures due to pump...
Case Study: Repeat Failures of Boiler Feed Water Pumps
Boiler Feed Pump Seizing Problems The low lubricity of boiler feed water along with operational challenges can lead to pump seizures. How do you avoid the problem? Or, if it happens, what is the best way to solve the problem? This case study is about repeat seizures...
Diesel Charge Pump Case Study
DuPont™ Vespel® CR-6100 helps the pump survive and keep pumping. The Diesel Charge Pump A refinery in North America experienced recurring issues with their diesel charge pumps. The pumps provide feed into the refinery HDS unit. Loss of feed to the unit can result in...