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industrial valves
Ledeen

LEDEEN actuator and control solutions have been consistently providing exceptional valve automation performance to the oil and gas industry for more than 60 years. Ledeen specializes in the production of actuators of various designs and operating principles.

logo Ledeen

Pneumatic actuators​
Quarter turn (VA, GS, SY) & Linear (LP)actuator for on/off or modulating control of any ball, plug, butterfly, gate or rising stem ball valve operated by air, natural gas or nitrogen.​
Single or double acting, 3-12 bar supply pressure, -30/100°C​
VA         : 1.100 Nm​
GS&SY : 644.000 Nm​
LP         : 19.752.175 N​

WegmanValves ledeen cp series compact actuator size difference

Compact actuators​
Quarter turn space saving actuator.​
Single or double acting. -30/80 °C​
High pressure hydraulic (HS): 38.500 Nm​
Low pressure pneumatic (CP): 32.000 Nm​

WegmanValves ledeen hydraulic subsea actuator

Subsea actuators​
Quarter turn (S-GS, S-SY) & linear (Mytilius) hudraulic actuators for shallow- and deep-water (>150 m) applications.​
Single or double acting, 10-207 bar supply pressure​
S-GS          : 6.480 Nm​
S-SY          : 644.000 Nm​
Deepwater : 400.000 Nm​
Multilius      : 19.500.000 N​

Direct-gas actuators​
Quarter turn (GS, SY) & linear (LD) actuator for natural gas transmission ball, plug or gate valve operated by high pressure natural gas or nitrogen.​
Single or double acting, 10-104 bar supply pressure, -30/100 °C, SIL 3​

Gas-over-oil actuators​
Quarter turn (GS, SY) & linear (LH, GH) actuator for on/off control of any natural gas transmission ball, plug or gate valve operated by high pressure natural gas or nitrogen.​
Double acting, 10-104 bar, -30/100 °C, SIL 3​
GS, SY : 644.000 Nm​
LG, GH : 497.000 N ?????​

Wegman Valves ledeen sy series hydraulic actuator

Hydraulic actuators​
Quarter turn (GD, SY) & linear (LH) actuator used for on/off & modulating control of any ball, plug, butterfly, gate or rising stem ball valve operated by hydraulic oil.​
Single or double acting, 10-207 bar, -30/100 °C, SIL 3​
GS, SY : 644.000 Nm​
LH        : 19.500.000 N​

Accessories:​
Self-contained control system (SCCS): hydraulic emergency operating system for hydraulic actuators​
Valve control board: control panel for pneumatic actuators​
Smart electric fail-safe actuator & control system (SEF): electric controlled hydraulic operated actuator with on-board HPU​