Quote Originally Posted by Retz View Post
Sir, ilan psi ba bago mag trigger yan? hindi ba konting gas leak lang, mag trigger na ung valve to close it? or else walang use itong safety device na nilalagyan. prarang ganyan yan eh:


Parang wala naman safety device yang nasa picture.. yung malaki metering device yon yung maliit pressure regulator. wala din non return valve na nakalagay.