Emerson Bettis BHH Series Installation, Operation And Maintenance Manual page 38

Section 11: BHH Re-Mounting
December 2019
1. The inner X-ring is mounted in the top part.
3. The O-ring is mounted on the top part.
1. Mount the X-ring in bottom part.
1. The valve seat is lubricated with an sufficient
amount of oil on the O-ring before mounting.
3. The seat is pushed to stop.
5. The spindle is screwed in (3 Nm) to close between port A & B.
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Installation, Operation and Maintenance Manual
Mounting of Seals
Mounting of Seals on Top Part
2. The outer O-ring is mounted on the top part.
4. Top part cover is mounted and screws are tightened.
Screws in top cover are tightened with 2 Nm.
Mounting of Seals in Bottom Cover and Housing
2. Mount the X-ring in housing.
Mounting of Cross-over Valve in Actuator Housing
2. Mount the valve seat with a mounting tool sized to
fit the smallest hole not to damage the seat.
4. The Stop valve is mounted in the housing by
means of a 13 mm key (20 Nm). The spindle must
be unscrewed before mounting the valve.
MAN-02-05-62-0742-EN Rev. 0
BHH Re-Mounting