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 15 130 mm 130 mm 45 mm 65 mm 95 mm 4 x 14 (M12) VPLugs: 6 kg
DN 20 150 mm 130 mm 58 mm 75 mm 105 mm 4 x 14 (M12) 6 kg
DN 25 160 mm 185 mm 68 mm 85 mm 115 mm 4 x 14 (M12) 11 kg
DN 40 200 mm 225 mm 88 mm 110 mm 150 mm 4 x 18 (M16) 16 kg
DN 50 230 mm 230 mm 102 mm 125 mm 165 mm 4 x 18 (M16) 19 kg
DN 80 310 mm 340 mm 138 mm 160 mm 200 mm 8 x 18 (M16) 39 kg
DN 100 350 mm 350 mm 158 mm 180 mm 220 mm 8 x 18 (M16) 44 g
Size L1 H ød øk øD Bolting Weight
NPS ½" 130 mm 130 mm 34,9 mm 60,3 mm 88,9 mm 4 x 15.9 6 kg
NPS ¾" 130 mm 130 mm 42,9 mm 69,8 mm 98,4 mm 4 x 15.9 6 kg
NPS 1" 160 mm 185 mm 50,8 mm 79,4 mm 108 mm 4 x 15.9 11 kg
NPS 1½" 200 mm 225 mm 73 mm 98,4 mm 127 mm 4 x 15.9 16 kg
NPS 2" 230 mm 230 mm 92,1 mm 121 mm 152,4 mm 4 x 19 19 kg
NPS 3" 310 mm 340 mm 127 mm 152,4 mm 190,5 mm 4 x 19 39 kg
NPS 4" 350 mm 350 mm 157,2 mm 190 mm 228,6 mm 8 x 19 44 kg

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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