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9.15 ADAPTERS
Brazing connections can be converted to thread Rotolock connection using additional accessory – Adapter,
for both suction and discharge connectors. Available sizes and tightening torques are indicated in below
Table:
9.14 ROTOLOCK VALVES
Embraco offers as additional accessories Rotolock valves. Available sizes and tightening torques are
indicated in below Table:
Table 9.15 Adapter specification
Table 9.14 Available connections
Table 9.13 Available connections
CONNECTIONS
BRAZING CONNECTION ROTOLOCK CONNECTION
I.D. mm I.D. inches
SHELL
SIZE
Suction Discharge Suction Discharge
2 6 HP 22.35 - 22.45 12.87 - 12.97 1 1/4“ 3/4"
7 13 HP 28.83 22.47 1 3/4" 1 1/4"
ROTOLOCK
VALVE
ODS
TIGHTENING TORQUE
(Nm)
3/4" - 16UNF
1/2"
40
3/8"
1 1/4"-12UNF
5/8"
90
3/4"
7/8"
1 1/8"
1 3/4"-12UN
1 1/8"
120
1 3/8"
ADAPTER ODS
TIGHTENING TORQUE
(Nm)
3/4" - 16UNF 3/8" 40
1 1/4"-12UNF
5/8"
90
7/8"
1 3/4"-12UN 1 1/8" 120
IMPORTANT
It is recommended to periodically check all type of connections (piping, Rotolock,
fixing).