Issue
Satchwell MBF 3-port Rotary Shoe Valve Body Open / Close status determination from Spindle position.
Environment
Satchwell MBF 3-port Rotary Shoe Valve Body installations.
Cause
Satchwell MBF 3-port Rotary Shoe Valve Body is installed in pipework and Open / Close status cannot be determined by observing Valve Body Shoe positions.
Resolution
The Satchwell MBF 3-port Rotary Shoe Valve Body Spindle protrudes through the side of the Valve Body.
The position of the Valve Body Shoes may be determined by observing the position of a hole drilled through the Valve Body Spindle.
If the hole is ( l ) then Valve Body is fully open to Port 2
If the hole is ( -- ) then Valve Body is fully open to Port 3
If the hole is ( / ) then Valve Body is half open to Port 2 and half open to Port 3
When the hole through the Valve Body Spindle is VERTICAL having turned the Valve Body Spindle fully Anticlockwise, then the Valve Body is fully open to flow and fully closed to bypass.
When the hole through the Valve Body Spindle is HORIZONTAL having turned the Valve Body Spindle fully Clockwise, then the Valve Body is fully closed to flow and fully open to bypass.
When the hole through the Valve Body Spindle is at an ANGLE of say 45 degrees, then the Valve Body is half open to flow and half open to bypass.
Please check the latest catalog for current equipment.
