ANGA : Uszczelnienia Mechaniczne Sp. z o.o.
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Here you can find API Plans used in auxiliary installations for ANGA mechanical seals. Legend - see the Plans below.

SELECT PLAN


Drawing A

Drawing B
1

- Buffer gas panel (feeding block)

2

- Vendor

3

- Purchaser

4

- If required

V

- vent (if required)

FI

- flow indicator

FIL

- coalescing filter used in barrier gas feeding

FSH

- high flow switch

GBI

- buffer gas inlet (plugged)

GBO

- barrier gas outlet (normally closed) used only to depressurize the stuffing box

PI

- pressure indicator

PCV

- pressure control valve, sets the pressure above the process pressure of the inner seal

PSL

- low pressure switch


Barrier gas installation. Externally supplied barrier gas is used to positively prevent process fluid from leaking into the atmosphere. Pressure of the barrier gas is higher than the medium pressure on the technological process side of the inner seal. Venting of the gland box may be required prior to start-up and operation, to avoid the collection of gas in the pump.

LEGEND - CIRCULATING SYSTEMS acc. to API 682 (610)

Standard flushing and auxiliary equipment systems presented above are the systems most often used in industry. The equipment presented here is the necessary minimum option and, after agreements made with the user, the systems below can be extended increasing their functionality.

Drawing on the left (A) shows diagrammatic arrangement of conduits and instrumentation, while the drawing on the right (B) shows the most important details of the stuffing box (the seal chamber).


 filter


 flowrate indicator


 orifice


 flow-regulating valve


 pressure switch


 separator


 valve


 PCV- automatic valve


 heat exchanger (cooler)


 pressure indicator


 temperature indicator

 
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