DelVal Actuators

DelVal Series 25 Pneumatic Scotch Yoke Actuators
Double Acting and Spring Return

Standards and Specifications

DelVal Flow Controls provides a wide range of quality products with the reliability you can count on. All Series 25 actuators are manufactured in ISO 9001 certified facilities with a robust quality management system.


  • Standard Working Temperature

    -20C to +80C (with Nitrile O-ring)

  • Low Temperatures

    -40C to +150°C (Optional with Silicone O-ring)

  • High Temperatures

    -20C to +180C (Optional with Viton O-ring)

  • Maximum Working Pressure

    9 bar

  • Operating Media

    Clean dry air, nitrogen, non-corrosive gas or sweet gas

  • Supply Pressure

    3 to 9 bar

  • Rotation

    0 +/-5° to 90 +/-5°

  • Top Accessories Mounting Interface

    VDI/VDE 3845

  • Valve Mounting Interface

    ISO 5211

  • Housing Ingress Protection

    IEC 60529 IP 67

  • Housing Surface Coating

    Epoxy coated blue (RAL 5010)

Design Construction & Features

  • Ductile Iron Housing

  • Hard Chrome Plated, Honed Finished Cylinder Bore

  • Hard Chrome Plated Steel Piston Rod

  • Heat Treated Stainless Steel Thrust Pin

  • Guide Bands And Piston Quad Seals

  • Spring Return Actuators

  • Unique "Safe Spring Cartridge" Design

  • ISO 5211 Mounting Pattern

  • Top Cover Drilled To Namur Standards

  • Bi-directional Travel Stop

  • Phosphor Bronze Piston Rod Bushing

  • High Strength Yoke

  • Aluminum Bronze Roller (25-250 and 25-350)

  • Chrome Plated Guide Bar (25-500)

  • Ductile Iron Guide Block (25-500)

Certifications
card_membership Delval-Pneumatic-Actuators-DNV
card_membership Delval Series 21 SIL3