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…

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 reduced refinery production and significant losses. The refinery has 3 total pumps Read the full article…

VibVue–Visualizing Vibration

What if You Could Actually SEE Vibration? Background Mechanical Solutions, Inc. is well-known for their ability to accurately diagnose difficult rotating machinery problems, AND to provide an engineered, implementable solution. They also have 22 years in solving problems using high-speed video. Recently, those two threads came together to bring the VibVue™ system to market through Read the full article…

14 Reasons to Reduce Wear Ring Clearance

Use DuPont™ Vespel® CR-6100 to reduce the clearance in your pumps and improve pump reliability and efficiency. Vespel CR-6100 Review A couple weeks ago, we looked at all of the negative consequences from increasing the wear part clearance in you pumps: wear rings, inter-stage rings, throttle bushings, and center bushings. In the past, increasing the clearance was a typical Read the full article…