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
V

- vent

F

- flushing inlet

LBI

- barrier liquid inlet

LBO

- barrier liquid outlet

LI

- level indicator

LSH

- high level switch

LSL

- low level switch

FI

- flow indicator

PI

- pressure indicator

PS

- pressure switch

1

- Purchaser

2

- Vendor

3

- From external pressure source

4

- Normally open

5

- If required

6

- Tank

7

- Barrier liquid refill


Application of pressurized barrier liquid external tank to feed clean liquid to the gland box; circulation is forced and maintained by internal pumping ring (or ”thermosiphon”). Barrier liquid pressure (in the tank) is higher than sealed process pressure in the gland box. Characteristics of the barrier liquid should be defined, to keep the operating conditions of sthe lide ring faces of the seal stable. Solution typical for double seals.

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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