PFA Control Valve (DIN-ANSI)

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Precision Control for Corrosive Media

The Imperium9 PFA-Lined Globe Control Valve is engineered for high-precision flow control in aggressive chemical environments. Its 5–6 mm virgin PFA lining offers superior corrosion resistance, while vacuum-proof anchoring ensures leak-free, long-lasting performance.

Equipped with a pneumatic actuator and multi-functional digital positioner, the Imperium9 integrates seamlessly into automated process control systems. TA-Luft compliant stem sealing, a removable bonnet, and high-precision trims simplify maintenance and extend service life. A heavy-duty PFA bellow is supplied as standard for enhanced process safety.

Interchangeable seat and plug designs allow adjustable kv-values, while specialized V- and U-plugs handle small flow rates, cavitation, and high-pressure differentials. Built for extreme pressures, temperatures, and chemically aggressive conditions.

In Depth Control Valve Specifications and Features

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Proven Performance

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.

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Control Valve Tabular Overview

Parameter Value
Name Imperium9
Operational Characteristics Equal percentage, Linear, On/Off
Design Norm DIN
Size DN 15-100
Flange Dimensions DIN 2501 (PN 16) | ASME B16.10 (Class 150-RF LP)
Face-Face-Dimensions PN (EN 558-1), Series 1
Actuator Connection Actuated version available.
Plug, Stem and Bellows Plug Guide: stem guided, optional: seat guided (V-plug, U-plug from DN 80 to DN 100) Rangeability: 1:25, V-plug 1:100 (min. kvs-value 0.01 m³/h to 1.2 m³/h) Bellows: all valves are in heavy-duty PFA bellows
Lining Options PFA, PFA/AS, PVDF
Body Materials 1.0619 , 1.4308, 1.4408/ A216WCB, CF8-M or CF-8
Pressure Range 0.1 mbar vacuum to 16 bar (requires special bellows)
Temperature Range -60°C to +180°C
Leakage Rate leakage rate class VI
Custom Options Heating jacket
Quality Control Body 24 bar(P10|P11|P12), Dielectric strength test 15/20 kV, C4 external coating
Certificates EU Pressure Equipment Directive 2014/68/EU
1 5

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Technical Specifications

Dimensional Measurements

Size L H ød øk øD Bolting KVS Weight
DN 15 130mm 130mm 45mm 65mm 95mm 4 x 14 (M12) VPLugs: 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
Size L1 H ød øk øD Bolting Weight
NPS ½" 130mm 130mm 34.9mm 60.3mm 88.9mm 4 x 15.9 6kg
NPS ¾" 130mm 130mm 42.9mm 69.8mm 98.4mm 4 x 15.9 6kg
NPS 1" 160mm 185mm 50.8mm 79.4mm 108mm 4 x 15.9 11kg
NPS 1½" 200mm 225mm 73mm 98.4mm 127mm 4 x 15.9 16kg
NPS 2" 230mm 230mm 92.1mm 121mm 152.4mm 4 x 19 19kg
NPS 3" 310mm 340mm 127mm 152.4mm 190.5mm 4 x 19 39kg
NPS 4" 350mm 350mm 157.2mm 190mm 228.6mm 8 x 19 44kg

Materials Table & File

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

P‑T Diagram

Control Valve P-T-Diagram for different Bellow Configurations

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