SKU KH-421 Category

Ball valve VL-421T & VL-422T

Stainless steel, for water, oil, gas and chemicals. Can be automated

Data sheet VL-421T

Data sheet VL-422T

Product information

The VL-421T and VL-422T ball valves from EPI are robust, 2-piece stainless steel ball valves for demanding industrial applications. They offer full bore, high nominal pressures (PN63 or PN100) and are ideal for automation with pneumatic or electric actuators thanks to the ISO 5211 mounting flange. With an anti-blowout stem and FDA/EG1935 conformity, they meet the highest safety and hygiene standards.

Special features

  • 2-part stainless steel body (1.4408)
  • Full bore – minimum pressure loss
  • Nominal pressures: PN63 (VL-421T), PN100 (VL-422T)
  • Female thread to DIN 2999 / DIN EN 10226-1
  • Mounting flange to ISO 5211 – for direct automation
  • Anti-blowout selector shaft – increased safety
  • Temperature range: -10 °C to +200 °C
  • FDA and EG1935 compliant, TA-Luft, PED
  • Antistatic design

Advantages

  • Higher nominal pressures (up to PN100) for demanding applications
  • ISO 5211 flange for simple automation
  • FDA and EG1935 compliant – suitable for the food and chemical industries
  • Anti-blowout selector shaft for maximum safety
  • Antistatic version for potentially explosive atmospheres
  • Temperature resistance up to +200 °C

Areas of application

  • Chemical industry
  • Food and beverage production
  • Water and steam systems
  • Oil and fuel lines
  • Automated systems with pneumatic or electric actuators
FeatureVL-421TVL-422T
Nominal sizeDN 15 – DN 80DN 8 – DN 50
Nominal pressurePN 63PN 100
Temperature range-10 °C to
+200 °C
-10 °C to
+200 °C
BodyStainless steel 1.4408Stainless steel 1.4408
Ball seatPTFEPTFE + glass fiber
Spindle sealVitonViton
Automationvia mounting flange / mounting flangevia mounting flange / body flange

Electric or pneumatic automation for ball valves

Maximize the functionality of your ball valves with pneumatic or electric actuators. Thanks to ISO 5211 mounting flanges, spindle extensions and mounting bridges, our valves are easy to automate – for precise control in industrial plants.

Your advantages:

  • Direct drive connection via ISO 5211 flange
  • Flexible adaptation with spindle extensions and couplings
  • Pneumatic and electric part-turn actuators for every application
  • Ideal for process automation, remote control and safety
  • Compatible with heating jacket fittings and special solutions
Armaturenfabrik Modification Valve 3-way ball valve 3-part pneumatic actuator type 505 DVC Solenoid valves MNF Eurotech Limit switches type TCR Rotech

Spindle extensions and stem extensions for ball valves

Increase the user-friendliness of your ball valves with stem or stem extensions. This modification is ideal for isolated valves or valves that are difficult to access and enables convenient manual operation or the connection of pneumatic and electric actuators.

Technical details:

  • Material: Stainless steel or galvanized steel for high corrosion resistance
  • Lengths: Individually adaptable for every installation situation
  • Couplings & adapters: Compatible with ISO 5211-
  • Assembly bridges for automation
  • Gaskets: Optionally with O-ring for additional safety
  • Temperature range: up to +180 °C (depending on valves and medium)
  • Installation: Simple retrofitting without replacing the valves
Armaturenfabrik Modification of valves, ball valves, spindle extensions, switching shaft extensions with T-handle or other handles for automation or manual operation made of stainless steel

Individual insulation for all ball valves

Valve factory Flexible insulation Insulating cushion Insulating jacket Insulating blanket or insulating jacket, pipes with IFS-MW20 insulation, IFS PLAST25 Automated ball valve Pneumatic actuator Mounting flange Mounting bottle Bridge Spindle extension

For all our ball valves – whether with or without heating jacket, whether in manual mode or automated by actuators – we offer the right insulation, individually manufactured.

Insulation can be implemented with the high-quality IFS-Plast25 insulating jackets and insulating pads, for example. This solution ensures optimum energy efficiency and safety in your process.

Your advantages at a glance:

  • Energy savings through reduced heat loss
  • Safe operation thanks to reliable insulation
  • Individual adaptation to every valve and application
  • Easy assembly and disassembly for maintenance and service
  • Compatible with heating jacket options and automation systems

FAQs

What approvals does the Type 835 have?

DVGW drinking water PN10, ÜA approval Austria, PED Cat. 1, LABS-compliant.

Water, drinking water, oil, heating oil, compressed air, thermal oil, Tyfocor, weak acids and alkalis.

Yes, type 835 is available in a lockable version.

Yes, e.g. with drain valve or special gaskets for aggressive media.

Insulation – In combination with fittings and containers

Our insulations are more than just accessories – they perfectly complement fittings and systems and increase efficiency, safety and adaptability.
Order and configure now.

We offer:

  • Custom-made insulating pads to fit your fitting
  • Heating jacket integration – reliable even under extreme conditions
  • Insulation jackets and pipe insulation for SKID assemblies – ideal for modular systems and complex systems
  • Special solutions for high temperatures – for power plants, the chemical and process industries
Armaturenfabrik Valve insulation High-temperature pipe insulation with IFS-Plast25 insulation pads and IFS-MW20 mineral wool for SKID systems, process plants

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