Metso IMO-210

As with any Neles pneumatic/hydraulic actuator, adjustable travel stops are standard for both the open and closed 

positions. End of stroke turning angle range is 85° to 95°. 

Optional travel stops 0° to 90° are also available. 

Wear resistant bearings 

High quality bearings provide support on the upper and 

lower portions of the lever arm to reduce friction and 

expand the life of both the lever arm and the housing. 

Corrosion resistance 

Description:

The epoxy painted actuators have housings of rugged 

cast iron, with light-weight aluminum cylinders anodized 

for added corrosion resistance. Travel stops are stainless 

steel. 

Self-contained spring cartridge 

The springs in the B1J actuator are contained in a cartridge for added reliability and easy maintenance. 

Spring to open or close capability 

The standard spring return actuator on the ball valve can 

provide spring-to-close or spring-to-open operation simply by changing the mounting position by 90°. On a high 

performance butterfly valve, the standard unit offers 

spring-to-close operation. An optional B1JA model is 

available for spring-to-open requirements. 

High-and-low temperature construction 

The standard unit can be used in temperatures up to 70 °C 

(158 °F). High temperature construction is available for 

temperatures up to 120 °C (248 °F). The standard unit can 

be used down to -20 °C (-4 °F). A low temperature design 

is available for -40° to +70 °C (-40° to 158 °F ), arctic service 

please refer type coding. 

High cycle option 

For applications where very fast and high sequency operation is required. 

ATEX compatibility 

Actuator construction ATEX approved. 

Oversized cylinder options 

The oversized cylinders (B1C 60, 75, 602, 752) are used 

whenever the supply pressure is limited, thus the actuators can achieve the required torques with a lower supply 

pressure level. 

Override options 

Available override devices include a manual centerpiece 

handle, a manual handwheel override, and a manual 

hydraulic override for high torque applications. 

Emergency shut-down 

Emergency Shut-Down (ESD) valves utilizing B1J actuators are offered to assure operation in the event of a fire or 

plant malfunction. The ESD device enables valve operational testing without cycling, see bulletin 6B21.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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