Chemical
LESER safety valves for the Chemical Industry

Safety and reliability in a diverse industry

There are many different types of plants in the chemical industry, which forms the backbone of our industrialized world. Plants for polymers, fertilizers, soaps or cleaning agents; production in bulk, batches or continuous; different units for the process medium, steam, cooling or heating are increasing the requirements in quantity and diversity.

Hence, a partner is needed who provides the required wide product range, technical expertise and the ability to integrate into the growing supply chains.

LESER is the supplier of safety valves covering all applications and regulations. Type 441 of the product group High Performance is the standard safety valve for the chemical industry. The product group Critical Service is designed for highly corrosive media such as chlorine. Modulate Action safety valves minimize media loss. In addition, LESER increases the availability of your plant with the change-over valves from the Best Availability product group.

Chemical - Products

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The LESER Advantage

No matter what the requirements are: from overpressure protection during thermal expansion in pipelines to process steam or toxic and corrosive media. With the LESER Alloy Concept, aggressive media can also be protected.

Media losses must be minimized in order to improve efficiency or protect life and the environment. Special tightness requirements such as PAS 1085 are met with LESER's Nanotightness. The pilot operated safety valves or the use of the supplementary loadind system even exceed these requirements.

Facility

Case Study

Change-over Valve as great support for continuous production

Industry/Application:

Chemical plant / Hydrogen peroxide production

LESER Solution:

API and Best Availability

Customer since:

2008

Quantity of Valves Supplied:

100 change-over and safety valves. Continuous optimization of the plant since 2008.

The Challenge
ARKEMA is operating its plant in a non-stop mode requiring a high level of availability of the equipments as utilities devices as compressed air tanks. To allow high availability of its plant, ARKEMA decided to go for LESER’s new Changeover Valves.

Why did the customer choose LESER products?
For ARKEMA, quality and reliability are the most important decision criteria to decide on Safety Valves and Change-over Valves.
More efficient plant operation with LESER Change-over Valves
The LESER Change-over Valve Type 330 and 320 offers the solution for safe and efficient system availability 24 / 7. It is easy to operate and, in combination with safety valves, provides permanent protection for a permanently running system.

With the help of flow tests and CFD simulations (Computational Fluid Dynamics), a flow-optimized design with minimal pressure loss was developed. Each configuration of these change-over valves has a specified resistance coefficient that enables reliable and precise calculation of the inlet loss. Due to their durable construction, these change-over valves are maintenance-free and lavishly tested. They are the economical solution because an optimal selection can be made for every application.

About the customer

ARKEMA is one of the leading hydrogen peroxide producers in the world. Hydrogen peroxide (H2O2) is used in different concentrations as example for food packaging sterilization. The plant in Shanghai was established in 2000, and expanded in 2008.
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