ok i agree that this relief system is mandatory.
But is there any Code/ Standard related to this relief system?

Dear Ashfaq,

i have attached a safety beacon regarding this possibility of leakage to actuator, please read and comment further...

Regards,
Irfan Ali
Mech Maint Engr, FFC

I belong to Faisalabad, currently working in Fauji Fertlizer Company as a mechanical engineer, I am Pakistan...

In case of gas leakage from stem to actuator body, there is a danger of actuator body rupture.

Is there any code/ standard that deals this problem? i-e Where to and where not to provide bleeder on valve actuators?