Emerson Bettis BHH Series Installation, Operation And Maintenance Manual page 4

Table of Contents
December 2019
Section 6: Mounting 90° Turn Set (Indication Plate)
Section 7: Flushing Instruction
Section 8: Operating
Section 9: Service and Maintenance
Section 10: BHH Dismounting
Section 11: BHH Re-mounting
Section 12: Valve Traveling Time Adjustment
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Installation, Operation and Maintenance Manual
7.1 Flushing Procedure ..................................................................................... 22
7.1.1 Flushing Unit .................................................................................... 23
7.1.2 Flushing with Nitrogen ..................................................................... 23
7.1.3 Flushing with Oil ............................................................................... 23
8.1 Operating Restriction .................................................................................. 24
8.2 Turning Direction in Relation to "A" and "B" ................................................ 24
8.3 Emergency Operation of BHH Actuators ..................................................... 25
8.3.1 Opening by Emergency Operation Key BHH 125 to BHH 500 ............ 25
8.3.2 Operating by Portable Hand Pump BHH 125 to BHH 32000 .............. 26
8.3.3 Operating by Directed Mounted Hand Pump .................................... 27
8.3.4 Operating by Portable Hand Pump Submerged Actuator .................. 27
10.1 BHH Mounted on Butterfly Valve ................................................................. 29
10.1.1 Preparations before Dismounting ..................................................... 29
11.1 Preparations of Seals before Mounting ........................................................ 32
12.1 Operating Time for Valve Open/Closed ....................................................... 38
12.1.1 Valve Operating Time Table for Rotary Actuator (Quarter-Turn) ........ 39
MAN-02-05-62-0742-EN Rev. 0
Table of Contents