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Cryogenic Victrex CT Polymer Selected by Advanced Engineering Valves

Improved Sealing Reliability

Belgium-based Advanced Engineering Valves (AEV), an Emerson company and industry leader for cryogenic and severe service ball valves, has selected a Victrex high performance cryogenic PEEK polymer to help its customers operate applications more efficiently and safely. The company´s 2XC* C-ball valve products, based upon double eccentric and cavity-free technology, are designed to meet the most stringent demands, potentially reducing the cost of ownership due to their high reliability (zero maintenance) in cryogenic service.

The cryogenic Victrex CT 100 polymer was specifically developed by Victrex for insert applications. After successfully passing Design Validation Testing (DVT) at AEV, the polymer is now used in the company´s class 900 ball valves ranging from ½ through to 18 inches. It is specified for a temperature range of -196°C to +150°C (-321°F to +302°F) and offers structural strength at elevated temperature without compromising low temperature performance of cryogenic PEEK compared to incumbent materials.

The DVT at AEV was carried out according to Shell´s “Material and Equipment Standards and Code” (MESC), which is widely accepted in the oil and gas industry as a key test protocol and a prerequisite for industry acceptance.

"All Aspects of the Cryogenic Test Successfully Passed"

“Our valves successfully passed all aspects of the cryogenic test using the Victrex CT 100 polymer. Meeting the requirements of the Shell MESC test is in fact an important achievement that opens up new potential uses with industry leading OEMs," commented Francis Carpio, Operational Director at AEV. Victrex´s thermoplastic polymers are associated with high temperature performance, high chemical resistance and a unique range of mechanical properties.

“Many sealing applications in cryogenic temperature ranges have typically been made with fluoropolymers. However, our polymer products such as the Victrex CT series provide a unique range of properties over a broader temperature range from +200°C to -196°C (+392°F to -321°F) which fluoropolymers cannot meet,” said James Simmonite, Director Energy at Victrex. In this temperature range, chemical resistance is still important, but other aspects such as creep resistance, low temperature toughness and tribological performance, and thermal properties such as conductivity and expansion, are the most important to applications such as valve seats and packings.

Sealing: Reliability and Efficiency in Harsh Conditions

Victrex, a world leader in high performance PEEK polymer solutions, understands the need for reliability and efficiency in harsh conditions. The Victrex CT polymer series, for example, exhibits improved sealing over a wider range of temperatures, compared to used materials such as PCTFE. It does so at low temperatures on account of its greater ductility, and at high temperatures due to its superior creep resistance. Victrex CT polymers have also been shown to maintain better dimensional stability, with a lower coefficient of thermal expansion than incumbent materials. The higher thermal conductivity of the PEEK material enables a fast response to temperature changes, ensuring the material stays engaged with the counter surface at all times.

Additional information
  • 01-20-2020

    Construction of a PEEK Polymer Plant

    Joint Venture between Victrex Subsidiary and Yingkou Xingfu Chemical

    The new plant will eventually be capable of producing up to 1,500 t/a. The start-up of the facility is anticipated in early 2022.   more

  • 05-10-2019

    Investment in 3D Technology

    Collaboration of Victrex and Bond

    By linking Victrex´s material application with Bond´s 3D processing technology, the common objective is to set the path to produce functional parts which contribute to improve the performance of components.   more

Company profile

Victrex Europa GmbH

Langgasse 16
DE 65719 Hofheim (am Taunus)
Tel.: 06192 9649-0
Fax: 06192 9649-48


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