GFT 9 PFA Transfer Molding Meets Precision Engineering

PFA Lined Control Valve

Imperium9
The Imperium9 PFA-Lined Globe Control Valve is engineered for high-precision flow control in aggressive chemical environments. Its virgin PFA lining (5-6 mm thick) provides superior corrosion resistance, while its vacuum-proof anchoring ensures a leak-free, long-lasting performance. Equipped with a powerful pneumatic actuator and a multi-functional digital positioner (supporting HART, Profibus, and Fieldbus communication), the Imperium9 enables seamless integration into automated process control systems. The TA-Luft compliant stem seal, removable bonnet, and high-precision trims allow for easy maintenance and extended durability. Its interchangeable seat and plug system ensures adjustable kv-values for precise control, while specialized V-plugs and U-plugs are designed to handle small flow rates, cavitation risks, and high-pressure differentials. Additionally, its standard and heavy-duty PFA bellows options provide enhanced safety and contamination prevention for industries handling pure, permeating, or highly reactive media. Built to handle extreme pressures, temperatures, and chemically aggressive conditions, the Imperium9 is the go-to solution for demanding flow control applications.

Key Specifications

Design Norm: DIN | ANSI
Operational Characteristics: Equal percentage, Linear, On/Off
Lining: PFA, PFA/AS, PVDF
Body: 1.0619 , 1.4308, 1.4408, Carbon Steel / A216WCB, CF8-M or CF-8, Carbon Steel
Pressure Range: 0.1 mbar vacuum to 16 bar (requires special bellows)
Temperature Range: -60°C to +180°C

Partner with GFT9

Global Reach

Based in Germany, delivering worldwide through our global network.

Manufacturer

Decades of experience in PFA lining & manufacturing

Dependable

Reliable Lead Time, routinely between 1-6 weeks.

Digital Friendly

Quote, buy & manage documentation in one place.
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Core PFA Features

Corrosion Resistance

Delivers superior chemical resistance against diverse corrosive agents, extending equipment lifespan.

Low Friction / Non-Stick

Minimizes friction and buildup for smooth flow and reduced wear.

Electrical Insulation

Provides robust insulation for safe, reliable performance in critical applications.

Thermal Stability

Maintains consistent performance across extreme temperatures, reducing maintenance needs.

GFT9 | PFA 라이닝 제어 밸브 | 공격적인 매체에 안전 Features

Powerful Valve Actuator


The valve is equipped with a pneumatic multi-spring actuator for rapid operation, constant seating force, and cost efficiency. Electric actuators are available as an option.

Multi-Functional Digital Positioner


The digital positioner is a versatile interface for process control, operating with 4 to 20 mA signals and supporting HART, Profibus (PA), and Foundation Fieldbus (FF) communication. It enables bidirectional data exchange and can be configured on-site or remotely.

Reliable Stem Seal


The stem seal is TA-Luft (Clean Air Act) compliant, offering a tight seal that prevents emissions and withstands corrosion.

Removable Bonnet (Top Entry)


The bonnet allows for easy access to internal components, facilitating maintenance and minimizing downtime.

Robust, High-Precision Trims


The valve is equipped with replaceable seats and plugs made from TFM-PTFE, ensuring durability and easy serviceability. Special valve trims such as V-plugs and U-plugs can handle small kv-values and high-pressure differentials.

Customizable Bellows


The PFA bellows (standard or heavy-duty) protect against leakage and corrosion, available for a wide range of media and operating conditions (see below for detailed analysis).

Interchangeable Plug and Seat


The TFM-PTFE seat and plug can be swapped to adjust kv-values, offering high precision in control, even under extreme conditions (see below for detailed analysis).

Safety Features


Equipped with safety packing, stroke limitation, and monitoring connections, the valve is designed for high-pressure and high-temperature applications

Our GFT9 | PFA 라이닝 제어 밸브 | 공격적인 매체에 안전 Certificates

Safety Integrity Level

Safety Integrity Level

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Pressure Equipment Directive

Pressure Equipment Directive

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Imperium9 Materials

Materials Drawing
Pos. Item Material
1 Body 1.0619 or 1.4308/1.4408/1.4409 | A216/WCB,CF8/CF8M/CF3M
2 Lining PFA Perfluoralkoxy (standard) or PFA-LantistaticF-L (on request)
3.1 Trim Variant 1 Plug (TFM-PTFE) | Seat (TFM-PTFE) | Bellow (PFA HD-bellow (standard))
3.2 Trim Variant 2 V-Plug (TFM-PTFE) | Seat (TFM-PTFE) | Bellow (PFA HD-bellow)
3.3 Trim Variant 3 U Plug (TFM-PTFE) | Seat (TFM-PTFE) | Bellow (PFA HD-bellow (standard))
4 Bellow PFA

Imperium9 Measurements

Measurement Drawing

DIN Standards

Size L H ød øk øD Bolting Weight
DN 15 130mm 130mm 45mm 65mm 95mm 4 x 14 (M12) 6kg
DN 20 150mm 130mm 58mm 75mm 105mm 4 x 14 (M12) 6kg
DN 25 160mm 185mm 68mm 85mm 115mm 4 x 14 (M12) 11kg
DN 40 200mm 225mm 88mm 110mm 150mm 4 x 18 (M16) 16kg
DN 50 230mm 230mm 102mm 125mm 165mm 4 x 18 (M16) 19kg
DN 80 310mm 340mm 138mm 160mm 200mm 8 x 18 (M16) 39kg
DN 100 350mm 350mm 158mm 180mm 220mm 8 x 18 (M16) 44g

ANSI Standards

Size L H ød øk øD Bolting Weight
NPS ½" 130mm 34.9mm 60.3mm 88.9mm 4 x 15.9 6kg
NPS ¾" 130mm 42.9mm 69.8mm 98.4mm 4 x 15.9 6kg
NPS 1" 185mm 50.8mm 79.4mm 108mm 4 x 15.9 11kg
NPS 1½" 225mm 73mm 98.4mm 127mm 4 x 15.9 16kg
NPS 2" 230mm 92.1mm 121mm 152.4mm 4 x 19 19kg
NPS 3" 340mm 127mm 152.4mm 190.5mm 4 x 19 39kg
NPS 4" 350mm 157.2mm 190mm 228.6mm 8 x 19 44kg

Pressure Temperature Diagram

Pressure-Temperature diagram
Vacuum Pressure-Temperature diagram

Industry Applications

With its powerful pneumatic actuator, multi-functional digital positioner, and reliable stem seal, this valve is designed for industries such as chemical processing, biotechnology, and oil and gas, where precision control and operational safety are paramount. More general, its protective anti corrosive PFA lining makes it the perfect choice for handling hazardous or slightly solids-containing media. The adaptability of the GCV series ensures that it meets specific requirements for kvs-values, permissible leakage rates, and noise levels, making it a versatile choice for demanding applications.

Chemical & Fine Chemical Processing

Ensures safe handling of highly corrosive media and precise control of aggressive chemicals.

Pharmaceutical & Biopharmaceutical Production

Ideal for pure media applications, with customizable heavy-duty PFA bellows for sterility.

Oil & Gas Processing & Refining

Withstands high temperatures and pressures, preventing cavitation and leakage.

Battery & Semiconductor Manufacturing

Provides contamination-free control of ultrapure and hazardous process fluids.

Water Treatment & H2O Generation

Regulates flow and dosing of corrosive chemicals in purification and desalination plants.

Food & Beverage Processing

Ensures hygienic flow control with materials suitable for food-grade applications.

Mining & Mineral Processing

Handles abrasive and corrosive slurry flows with reinforced valve trims.

Biodiesel & Renewable Energy Production

Provides precision metering for aggressive biofuels and chemical additives.

Interested in this product, questions or custom modifications?

Talk to our engineer or get a custom quote tailored to your application.

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