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API Plan 66A

API Plan 66A

Throttle bushings in the seal gland minimize the seal leakage leaving the seal gland and allow for detection of a seal failure by an alarm of the monitoring pressure transmitter.

A  Pressure transmitter
B  Segmented bushing

API Plan 66B

API Plan 66B

An orifice plug in the drain port minimizes the seal leakage leaving the seal gland and allows for detection of a seal failure by an alarm of the monitoring pressure transmitter.

A  Pressure transmitter
B  Segmented bushing
C  Orifice plug drain

API Plan 71

Plan 71

Tapped connections for the purchaser’s use e.g., for future use of buffer gas.

A  Connection plugged

API Plan 72

API Plan 72

Externally supplied buffer gas for arrangement 2 unpressurized seals with a dry running containment seal. Buffer gas is maintained at a pressure less than seal chamber pressure.

A  Gas OUT
B  Gas IN

API Plan 74

API Plan 74

Externally supplied barrier gas for arrangement 3 dual pressurized non-contacting gas seals.

A  Gas OUT
B  Gas IN

API Plan 75

API Plan 75

A containment seal chamber leakage collection system for condensing or mixed phase leakage on arrangement 2 unpressurized seals with containment seals.

A  From mechanical seal
B  To vapor collection system
C  Drain

API Plan 76

API Plan 76

A containment seal chamber drain for non-condensing leakage on arrangement 2 unpressurized seals with containment seals. Used if the pumped fluid does not condense at ambient temperatures.

A  From mechanical seal
B  To vapor collection system
C  Drain

API Plan 99

API Plan 99

Engineered piping plan not defined by other existing plans.

Contents

Safety is an elementary requirement for industrial sealing technology. Ultimately, it comes down to protecting humans, the environment, products and materials. Above all, the requirements for reliable seals are particularly high when critical media is being used. Much of what we do goes far beyond the legal requirements. At R&D we work across departments to produce even better and safer products and materials that will satisfy the highest internal and external standards.

Cost advantages on a grand scale

Water consumption in pulp and paper production can be greatly reduced using a special operating mode with double mechanical seals.