the SHS-K & SHD-K series

COMPACT HYDRAULIC ACTUATORS SINGLE & DOUBLE ACTING

ProControl SHS-K & SHD-K series actuators are similar to the SPS-K & SPD-K range.
Many components are interchangeable, such as the centre housing, yokes, guide block; the only major difference is the hydraulic power cylinder.

KEY FEATURES

  • Fabricated entirely from low temperature carbon steel according to ASTM A352 gr. LCB and ASTM A350 LF2.
  • Totally enclosed weatherproof housing.
  • Scotch yoke mechanism to suit valve torque requirements.
  • Low pressure carbon steel hydraulic cylinder suitable for supply pressures up to 120 bar design.
  • High pressure carbon steel hydraulic cylinder suitable for supply pressures up to 400 bar design.
  • Carbon steel piston with dynamic floating O-ring seals coupled with lubricating piston guide rings.
  • Alloy steel spring (only for single acting).
  • 17.4 PH shaft and mechanical position indicator (fully sealed IP68 to avoid ingress into the scotch yoke area) and square male output shaft complete with VDI/VDE 3845 NAMUR drive slot for monitoring devices.
  • Bronze sliding blocks which ensure minimum friction, allowing for a long service life and reducing maintenance costs.
  • Bronze thrust bearings which guides the actuators shaft & yoke throughout its stroke and supports all transverse loads generated.ASTM A 320 L7 alloy steel tie rods, with standard electrolytic zinc coating according to ASTM B633 FeZn 12 (thickness 12 μm).
  • AISI 316 stainless steel end travel stops allow for accurate angular stroke adjustment.
  • Integral manual override facilities.
  • Design allows 4 x 90° actuator rotation.
  • AISI 316 stainless steel external bolting.

TECHNICAL SPECIFICATIONS

  • Supply pressure up to 400 bar design.
  • Actuator torque output up to 2.500 Nm.
  • Standard operating temperature range -30°C / +100°C.
  • Special low temperature application up to -60°C.
  • Special high temperature application up to +200°C.
  • All ProControl pressure containing parts are designed according to ASME VIII div.1 and EN 13445.
  • All ProControl actuators are designed for 30 years’ service life.
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