7 Rules for Using Vespel® CR-6100

Follow these rules and you’ll be on the road to better pump reliability A Fresh Look We just completed our series on upgrading pumps with DuPont™ Vespel® CR-6100, getting into details on how to upgrade various horizontal and vertical pump types. We discussed reducing the clearance of the wear rings, upgrading throttle bushings with the PERF-Seal Read the full article…

Useful Links for using DuPont™ Vespel® CR-6100

Tools to help you improve your pump operability, reliability, and efficiency Our favorite material recently passed a milestone. The first pump ever fitted with Vespel® CR-6100 was upgraded 20+ years ago in November 1997. The first pump was a vertically suspended condensate pump at a refinery in California. The pump was notorious for running dry, and Read the full article…

Measuring Your Pump

Which information is needed in order to upgrade your pump to DuPont™ Vespel® CR-6100? Pump Measurement Review Using Vespel® CR-6100 wear parts with reduced clearance can help your pumps be more reliable, efficient, and easier to operate. Which measurements and which process data do we need to assemble for the upgrade? Dimensions Needed for a Quote Let’s Read the full article…

How to get Vespel® CR-6100 in a new pump?

Frequently Asked Question: “Are the OEMs using Vespel® CR-6100?” is a question we hear every month. The answer is definitely, “yes.” All of the major API pump manufacturers use Vespel® CR-6100 for both new pumps and aftermarket upgrades. A related question: “If Vespel® CR-6100 is so great, why don’t the OEMs include it as a Read the full article…

Upgrading Pumps With Composite Wear Components: Part 3

Part 3: Reduce Clearance – Improve Pump Efficiency Welcome to Part 3 in our series on upgrading pumps with composite wear parts. In the first part of this series, we discussed how upgrading your pumps with composite wear parts can help avoid galling and seizing. Because composite parts do not gall or seize like metal Read the full article…

Upgrading Pumps With Composite Wear Components: Part 2

Part 2: Reduce Clearance – The Lomakin Effect Welcome back to our series on upgrading pumps with composite materials. In part 1, we discussed how using composite materials like Vespel® CR-6100 in your pumps allows you to eliminate the metal-to-metal contact points in the pump and minimize the risk of pump seizure: In the shop Read the full article…

Upgrading Pumps With Composite Wear Components: Part 1

Part 1: Minimize the Risk of Pump Seizure Welcome to our series on upgrading pumps with composite materials. Over the next few months, we’ll cover the basics of why and how to use composite materials, specifically DuPont™ Vespel® CR-6100, to make your pumps more reliable, efficient, and safe. Metal Parts Seize Centrifugal pumps contain contact Read the full article…

Amine Stripping Pump Case Study

Vespel® CR-6100 with the PERF-Seal® design survived where metal parts failed In case you missed it… The October 2018 issue of Hydrocarbon Processing featured a case study of Vespel® CR-6100 with the PERF-Seal®  design installed in a 2.7 MW amine stripping pump. 2-Stage, 2.7MW, 4500 RPM Amine Stripping Pump Amine pumps upgraded for improved operations and reliability An Read the full article…

Catacarb® Pump Case Study

A single installation of Vespel® CR-6100 saved a lot of money and troubles. Several years ago, a refinery upgraded a Catacarb® pump with Vespel® CR-6100 case rings. The pump was a single-stage, between bearings, double suction pump. Catacarb® is a mixture of potassium carbonate and other chemicals which is used to strip gases such as CO2 Read the full article…

Reformer Feed Pump Case Study

A long-term success story Almost 10 years ago, a refinery in Europe upgraded their Reformer Feed pumps to DuPont™ Vespel® CR-6100. Last month, we checked in to see how the pumps are running. The Application The Reformer Feed pumps are 10-stage, axially-split, between-bearings pumps (API Type BB3), running at 2950 RPM. The product is naphtha at Read the full article…