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Fluorine Lined Single Seat Control Valve
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Fluorine Lined Single Seat Control Valve

High Performance • Durable • Leak Proof

API 6DASME B16.34ISO 17292CE Certified

Fluorine Lined Single Seat Control Valve designed for highly corrosive chemical applications.

Technical Specifications

Key Features & Applications

Fluorine Lined Single Seat Control Valve Manufacturer in Africa

Product Introduction

Corrosive process media require control valves that combine accurate flow regulation with excellent chemical resistance. A Fluorine Lined Single Seat Control Valve is designed with a fluoropolymer-lined body and wetted components to protect the valve from aggressive acids, alkalis, solvents, and corrosive chemicals while providing precise automatic control. The single-seat design offers excellent shut-off performance, making the valve suitable for applications where leakage control and corrosion resistance are equally important. African Valve is a Best Fluorine Lined Single Seat Control Valve Manufacturer in Africa, manufacturing and supplying Fluorine Lined Single Seat Control Valves in various pressure classes, lining materials, trim configurations, and actuation options for projects across Nigeria, Egypt, South Africa, Kenya, Ghana, and other African countries, along with international export destinations.

Why Is a Fluorine Lined Single Seat Control Valve Used?

Fluorine Lined Single Seat Control Valves are used in situations where regular metal valves become vulnerable to corrosion by corrosive chemicals. The fluoropolymer lining helps separate the valve body from the process fluid, ensuring a long-lasting performance without affecting the purity of the process fluid. Used with a single seat valve trim, the valve offers precise regulation and sealing for controlling corrosive liquids and gases. Such valves are frequently chosen for use in chemical manufacturing industries, acid handling operations, chlorine application, water treatment plants, and other corrosive process industries.

Design & Working Principle

 The valve is made up of fluorine coated globe body, one valve plug, lined seat, stem, actuator, and positioner. There is a control signal sent from the automation system to the actuator, which causes the movement of the stem to precisely position the valve plug. When there is variation in the gap created by the valve plug and lined seat, the flow of process is controlled by the valve, whereas the lining of fluorine ensures that the internal components of the valve are not attacked by the chemicals.


Materials & Construction

The valve is manufactured using:

  • Carbon Steel – ASTM A216 WCB / ASTM A105

  • Stainless Steel – ASTM A351 CF8 / CF8M

  • Stainless Steel Forgings – ASTM A182 F304 / F316

  • PTFE, PFA, or FEP Fluoropolymer Lining

  • Duplex Stainless Steel – ASTM A995 Grade 4A

  • Super Duplex Stainless Steel – ASTM A995 Grade 5A / Grade 6A

Construction features include:

  • Single Seat Globe Design

  • PTFE / PFA / FEP Lined Body

  • Corrosion Resistant Wetted Parts

  • Blow-out Proof Stem

  • Precision Valve Plug

  • Smart Positioner (Optional)

  • Flanged End Connections

Technical Specifications

  • Size Range: DN15 to DN300 (½" to 12")

  • Pressure Ratings: Class 150, 300

  • Design Standards: ASME B16.34, IEC 60534

  • Testing Standard: API 598, IEC 60534-4

  • End Connections: Flanged

  • Operation: Pneumatic, Electric

Industrial Applications

Fluorine Lined Single Seat Control Valves are widely used in:

  • Chemical Processing

  • Petrochemical Plants

  • Water & Wastewater Treatment

  • Desalination Plants

  • Mining

  • Acid Handling Systems

  • Chlorine Processing

  • Corrosive Fluid Transfer Systems

Product Features

  • Fluoropolymer lining provides excellent corrosion resistance

  • Single-seat design offers accurate modulation and tight shut-off

  • Suitable for aggressive chemical service

  • Available with pneumatic and electric actuators

  • Designed for continuous automatic process control

  • Manufactured according to internationally recognized engineering standards

Manufacturing & Inspection

African Valve manufactures Fluorine Lined Single Seat Control Valves according to international engineering standards and customer project specifications. Every valve undergoes dimensional inspection, hydrostatic shell testing, seat leakage testing, lining integrity inspection, actuator calibration, functional stroke testing, and final operational verification before dispatch. Material Test Certificates (MTC), Pressure Test Reports, lining inspection reports, PMI reports, NDT reports, calibration records, and third-party inspection documentation are available to support project quality and compliance requirements.

Supply Across Africa

African Valve supplies Fluorine Lined Single Seat Control Valves to chemical processing plants, acid handling facilities, desalination projects, water treatment systems, mining operations, petrochemical units, and industrial infrastructure throughout Nigeria, Egypt, South Africa, Kenya, Ghana, and other African countries. Valves are available in multiple lining materials, pressure classes, end connections, trim configurations, and actuator options to meet demanding corrosive process applications.


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