LKB Butterfly Valve

Butterfly valves to suit ISO (LKB) and DIN (LKB-2) tube standards

 
Butterfly valves are relatively straightforward on/off routing valves with a substantial opening area and low flow resistance. Where hygiene standards are important, these are ideal for use with low and medium-viscosity liquids.
 

Concept

LKB is a sanitary automatically or manually operated butterfly valve for use in stainless steel pipe systems.
 

Working principle

LKB is either remote-controlled by means of an actuator or manually operated by means of a handle.
The actuator is made in three standard versions, normally closed (NC), normally open (NO) and air/air activated (A/A).
The actuator is designed so that an axial movement of a piston is transformed into a 90° rotation of a shaft. The torque of the actuator is increased when the valve disc contacts the seal ring of the butterfly valve.
The handle for manual operation mechanically locks the valve in its open or closed position. The handles for the valve sizes DN125 and DN150, which are designed for locking in two intermediate positions, enable adjusting of the valve, so that the flow rate can be regulated.

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