We are installing a new oil manifold which has MOVs in inlets and test header outlets, Contractor is insisting on including the MOVs in the hydrotest of the manifold. is there any precautions needed or are we putting the valves in any serious danger by not dropping the valves? Project designed...
The DEP 30.48.00.31-Gen article 5.4 reads :
"5.3 COMPATIBILITY WITH EXISTING COATING SYSTEMS:
Before any painting work is commenced, the compatibility with existing coating systems or
layers shall be checked. The paint Manufacturer shall be consulted. If there is any doubt
about compatibility...
Generally I would not allow this to happen, What we are worried about are few locations that are challenging in terms of providing the space for these spades due to the very heavy wall thickness and the configuration of the spools, these spades will be used mainly during commissioning stage and...
As we are approaching commissioning of the oil plant, use of blinds, and spades will be needed to provide double isolation (spade after valve) . in some locations the lines are tight with very heavy wall thikness making it almost impossible to insert a temp spade with thickness to match the line...
Thanks for your replies,
@littleinch bolt tensioning is common on all oil and gas specially when bold dia goes more than 1.5inch.
@BEMPE16524 , dear R.Efendy , the table is similar to what Shell DEP says in 3.4.12
and here is the conflict,the table you shared also indicates HBT to be...
Hi MJCronin,
The Shell DEP I use is company owned and I can not share it here, You can contact your company to provide the same. No i do not work for shell and Hope you have an answer to my question.
What is the criteria for applying hydraulic bolt tension? In shell DEP 31.38.01.31-Gen article 3.12.4 specify hydraulic tension for bolts larger or equal to 1.5" , while in appendix 6 of same document puts hydraulic tension at 2" and above.
On a second note the tables in appendix 6 does not...
