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No assembly mistake, it was installed as per drawing. notch matching done. Leak is very minor I had doubt of oil supplying to piston rod tubing which supplying oil spray injection.

In my plants, we have Laby type two stage 4 cylinder vertical reciprocating compressor. Currently facing the issue of the Oil carry over to the distance piece area above the scrapper ring. even after replacement of new oil scrapper ring still facing the issue of oil carry over to the distance...

Gasket specification is FULL ENCL 304 55 300 RF 2. 5 MM MSS CORRUGATED W/GARFOIL TAPE. Flange Type : Raise Face WN Flange.

We communicated cleaning companies & as per them they will use the Rotary nozzle & will able to clean the pipe & venture. I am concerned about the joint in piping gasket damage while cleaning.

In plant there is requirement of in position cleaning of 36" piping line around 15 mtrs & having venturi meter in the piping line by hydro jetting at 15000 psi. The concern is will the piping joint integrity affect while hydro jetting? Appreciated for your response base on own experience

we are facing the problem of hose damaged at co cylinder connection. we would like to use the 1/4" tube (with coil- for little flexibility as shown in attached sketch ) instead of hose to solve leak issue. can it be done ? i tried to find standards practice for Carbon monoxide Cylinder...

Thanks to all of you for giving guidanace

we have polymer plant, in certain condition plant upsets resulting product discharge line reducer ( flanged one 10" x 8" ) getting plug & need to clean the reducers till the plant get normal. in this condition to minimize the reducer flange opening & box up activity, can we keep the flanges on...

Thanks Tmoose. Hot Bolting considering with risk as working required with live line during hot bolting This flange is 10" 300# so we are using manual tightening technique not as per torque. After leakage flange torque not checked but flange tighten again & leak was arrested.

In our plant there is Ethylene dryer to remove the moisture & after bed exhaust it required to do regeneration..High temp N2 pass through it & vessel & piping under go from atm temp to 330 degree centigrade temp. After regeneration several times found that one or two flange get leak while...

Dear Nathan, Thanks for the valuable feedback.

Recently we are facing the problem of regeneration vessel top manhole gasket leak after several regeneration cycle. Currently using the 36" Graphite filled metallic gasket. During regeneration vessel under go with high temp N2 from atm. temp to 300 degree centigrade at the rate of ~ 60 d/hr. At...

Thanks Rotw I am totally agree with.

Thanks Nicolas, In secondary Seal vent to directed to atmosphere & there is no check valve in between.

Dear Johnny Pellin Thanks for the reply. We have the tandem seal arrangement , both seal facing same direction & seal leak diverted to flare line. In our case buffer gas ( using fresh ethylene)in primary seal & N2 in secondary seal as well as in barrier seal also. In the failure of N2 , plant...

We have the Cycle gas compressor in Polymer plant with DGS. Recently face problem of N2 supply failed from source. So in such condition N2 failure at secondary seal also. in such case what should be the our action ? Immediately compressor need to stop or we can run the compressor for 1 to 2 hrs...