Leader Gasket factory moves to La Porte, Texas!

Leader Gasket factory moves to La Porte, Texas!

25 October 2018



We are excited to announce that our team has moved to a new and much larger facility in La Porte, Texas.  Leader Gasket spent several years in Deer Park but because of our customers, we simply outgrew this space.  The new location is in a great spot close to refineries, chemical plants and adjacent to the main road running parallel to the Houston Ship Channel. It also creates a better working environment for associates by providing an open concept that allows for increased communication and efficiencies.

With this new facility, Leader will have the room to grow as it allows for increased inventory and capabilities.  We have added a grooving machine, two kammprofile machines, and a flash cutter.  Leader is also making plans to put a lab in our new space that will allow for a focus on innovation and product development. We will have the ability to do comparison testing and provide data driven studies to show why Leader meets or exceeds the competition.

Thanks for everyone's support through the years and with the move!!



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Assessing Fugitive Emissions Performance in Valves and Packing

08 February 2016


If you are a refinery end-user that has to comply with environmental regulations for fugitive emissions, you know how important it is to select valves that will meet or exceed Volatile Organic Compound (VOC) fugitive emission limits. You also know the costs involved when a valve fails to meet these limits, and how hard it has been to get test data that will allow direct comparisons between valve and packing manufacturers. Without data that can be used to directly compare performance results, end-users are left with educated guess work, field trials and past experience from others as a basis for their valve and packing selection decisions.

While most end users would like to see realistic testing done that will provide comparable VOC results in PPM levels of hydrocarbons, and include multiple thermal and mechanical cycles that are representative of real plant operating conditions, up to now this testing has not been easily available from an independent laboratory at a cost effective price. That has now changed.

ChevronTexaco, together with Yarmouth Research, has developed a simple test and testing procedure that can be easily adjusted to accommodate any off the shelf valve and provide the VOC data needed to understand how a valve is likely to perform once in service. For the recent set of screening tests performed on valves from 5 major US valve suppliers, an off the shelf 4 inch class 300 valve was used with Methane gas at 600 psi (41.37 Bars). A stuffing box temperature of 500F (260C) was obtained every 500 cycles, and the test was run for 5,000 cycles or until a leak rate of 500 PPM was reached for the third time. Not only was each valve’s Original Equipment Manufacturer (OEM) packing tested, but a second valve was tested using off the shelf spool packing that might be used for repacking valves in the field.

Both packed valves and Bellow Seal valves were tested, along with different packings from major suppliers and small bore forged steel valves. The results are amazing. No two valves performed the same, and there exists a very significant difference in VOC performance. As an example, two new four inch packed valves failed to complete the first 500 cycles without leaking >500 PPM. Only one new packed valve made it theentire 5,000 cycles. Spool packing results were equally diverse, with one packing only lasting 1,000 cycles while another packing combination went 5,000 without ever exceeding 500 PPM.

This type of testing benefits end-users by providing the data they need to reduce plant emissions and negative environmental impacts, as well as reducing maintenance costs and environmental fines. It also benefits the manufacture by providing a relatively inexpensive way to obtain comparable product emission performance results which can lead to valve designs with lower emissions levels.

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Reality Based Sealing: A Survivor’s Guide

08 February 2016

Valve packing leaks are a continual problem. They lose your plant money in lost product, can be a health and safety hazard, and can even get your plant shut down if you run foul of current legislation. If you believe the sales talk, there are plenty of products that can
help you. Or can they? David Reeves, with almost 25 years’ experience in the petroleum industry, gives some hard won tips on beating emissions. “Data is the key to ensuring reliable performance.”

Read more: Reality Based Sealing: A Survivor’s Guide (764kB)

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