PFA Beklede Regelklep

GFT9 Imperium 9

De PFA beklede regelklep van Imperium 9 is een hoogwaardig ventiel dat is ontworpen om te voldoen aan de strenge eisen van moderne industriële systemen. Dankzij het modulaire ontwerp biedt deze klep een flexibele oplossing voor verschillende debieten, werkdrukken en toepassingsvereisten. De robuuste constructie en de verscheidenheid aan interne klepcomponenten zorgen voor betrouwbaarheid, zowel onder standaardomstandigheden als in hoge stressomstandigheden zoals corrosieve media en hoge drukverschillen.

Kenmerken

  • 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.

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More on PFA's Properties

GFT9 | PFA-gecoate Regelkleppen | Veilig bij agressieve media 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

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Plugs | Seats | Bellows

DN 25 - 100

Bellows

  • Standard PFA Bellows:
    Withstand up to 16 bar operating pressure, effectively protecting the valve stem from corrosion while hermetically sealing the product chamber from the atmosphere.
  • Heavy Duty PFA Bellows:
    Designed for highly diffusive media, high temperatures, and pressures up to 16 bar. The wider crinkles allow for efficient purging and sterilization, making it ideal for pure media applications, such as in biotechnology. This variant is also available in Hastelloy for additional durability. The 2.5 mm wall thickness ensures excellent resistance to permeation.

Plug and Seat Options

  • TFM-PTFE Seat and Plug:
    Enables adjustment of kv-values through easy exchange, offering flexibility in flow control.
  • Special V-Plug (DN 15 to 25):
    Optimized for the smallest kv-values (0.01 to 1.2 m³/h), ensuring precise control even under high temperature and pressure differentials. The plug is constantly guided in the seat for reliable performance.
  • Special U-Plug (DN 80 to 150):
    Designed to handle high loads and reduce the risk of cavitation, offering safety and reliability in demanding applications through continuous guidance in the valve seat.

in kv100​ (m³/h) and Cv (US gpm)

Flow rates

Indicating the volume of fluid that passes through a valve seat under specific conditions.

The table highlight how different seat diameters (from 8 mm to 145 mm) influence flow rates across the different product types.

Smaller diameters ( e.g. DN 15+20 with seat Ø 8 mm): Lower flow rates providing finer control.

Larger diameters (e.g. DN 100 with seat Ø 155 mm): Significantly higher flow rates—up to 180 Cv—enabling efficient flow management in high-capacity systems.

This data is essential for selecting the right valve size for precise fluid control in industrial applications.

Algemene Overzicht in Tabelvorm

Parameter Value
Name Imperium9
Operational Characteristics Equal percentage, Linear, On/Off
Design Norm DIN | ANSI
Size DN 15-100| NPS ½-4”
Flange Dimensions DIN 2501 (PN 16) | ASME B16.10 (Class 150-RF LP)
Face-Face-Dimensions PN (EN 558-1), Series 1 | ANSI-B-16.5
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, 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
Leakage Rate leakage rate class VI
Custom Options Heating jacket
Quality Control Body 24 bar, Dielectric strength test 20 kV
Certificates EU Pressure Equipment Directive 2014/68/EU, German Clean Air Act (TA-Luft), SIL

Technical Specifications

Dimensional Measurements

Size L H ød øk øD Bolting Weight
DN 15 130 mm 130 mm 45 mm 65 mm 95 mm 4 x 14 (M12) 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

Sectional 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

P‑T Diagram

Control Valve P-T-Diagram for different Bellow Configurations

Productcertificeringen

  • Safety Integrity Level

    With SIL (Safety Integrity Level) certification, we ensure that our products comply with the highest safety standards.

    Ensuring operational safety 

  • Pressure Equipment Directive

    By complying with the European Pressure Equipment Directive, we ensure that our products meet EU regulations for pressure equipment.

    Certified for high-pressure environments 
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Partner with GFT9

  • Partner with GFT9

    Based in Germany, delivering worldwide

  • Direct from Manufacturer

    Decades of experience in PFA lining & manufacturing

  • Dependable Lead Times

    Standard variants available in 4-6 weeks.

  • Digital Friendly

    Quote, buy & manage documentation in one place.
Get to know GFT9

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