Hi
Is it possible to used Sight glass in ATEX area (Zone 1 group 2)? Glass is sometimes not recommended in EX area.
A low conudctivity fluid (lubricating oil) will flow through the sight glass.
This oil may be charger by a fine filtration upstream filter.
I would like to avoid potential static...
Hi
Someone know why according to API 614 part 2 and 3 metal mesh is not acceptable for oil filtration ?
1.6.4.4 Metal mesh or stainless metal filter elements are not acceptable
Regards
Hi
I currently design an expander with a tandem dry gas seal.
On the primary vent line (connected to flare)a Pressure control valve set at 3 barg is installed. This valve allowed to have always a minimum differential pressure across segondary DGS (required by DGS manufacturer).
However, before...
Hi
Someone know the technical reason about the maximum 5 shims requirement number under machine foot (potential untightening screw problem ?)specified in API686).
same question about the maximum shim thickness of 12 mm ?
Regards
Hi
AMSE B16.5 recommend to use heavy hex.
However it is only a reommmendation, is it possible to use hex (smaller nuts) and why ?
What is the minimum nuts characterisics or size ?
Hi
I have Turbo generator with tandem dry gas seal and carbon ring on gearbox side.
I would like to know, how long the machine can remain running in case of separation gas loss ?
My concern is about DGS potential contamination by oil mist.
In order to avoid oil migration (on DGS) is it...
Hi
Someone know if API 614 part 4 is applicable for labyrinth and carbon ring sealing or if it is only applicable for Dry gas seal ?
Especially the requirements for seal gas and filter sizing.
Regards
Matchess
Hi all,
I design a pressuriez oil system for an expander-compressors (acc. to API614 firth edition annex G & API617 Part4)
The operating pressure of the oil tank is > 60 barg with flammable gas.
The design pressure of the seal gas oil system and compressor/expander/bearing casing is > 90 barg...
Hi all,
I design a pressuriez oil system for an expander-compressors (acc. to API614 firth edition annex G & API617 Part4)
The operating pressure of the oil tank is > 60 barg with flammable gas.
The design pressure of the seal gas oil system and compressor/expander/bearing casing is > 90 barg...
Good morning
I am designing a lube oil system for a turbo expander
This turbo expander is supplied with two oil pumps (1 for normal operation + 1 for back up)
A check valve is placed dicharge line of each pump
and I am asking if two PSV placed upstream of eash check valve are required to...
Hi everybody
I put a Non-fragmentable rupture disk device fitted in series with a conventional atmospheric pressure relief valve.
I red in API 520 that place a pressure switch alarm between the rupture disk and the PRV is recommended.("rupture disk will not burst in tolerance if backpressure...
