Jordan Valve Mark 58 Series – Globe Style Back Pressure Regulator - Manual (Page 3)

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remain with the stem. To remove plug see preceding
section.
Inspect parts for wear and replace as required. It is
5.
recommended that the o-ring be replaced.
Clean all parts and the o-ring seating surfaces in the
6.
body and on the cage. Lightly lubricate these sur-
faces and the o-ring. Do not lubricate bore of cage
where the plug operates.
Check to see that the ball (13) is below the tapped
7.
hole for the adjusting screw and reinstall the adjust-
ing screw to just contact the ball.
Install the cage o-ring and screw the cage into the
8.
body until it bottoms out and tighten. Readjust ad-
justing screw.
Torque Procedure
Install all bolts hand-tight. 1.
Torque the bolts in order of the bolt pattern to a 2.
value equal to 1/4 of the recommended torque
valve.
Retorque each bolt to recommend value using the
3.
same bolt pattern as shown.
When ordering spare parts, first make a note of the fol-
lowing information on the valve’s nameplate:
— Serial Number
— Model and Size
— Body Material and End Connections
— Range
5 3
1
6 4
2
5
3
1
6 4
2
7
8
6 bolts (or multiples) 8 bolts (or multiples)