brass ball valve female to female threads
|A1||Computer control cutting machine:cut the raw material in to pieces ,and computer control make sure that The smallest error .|
|A2||Die casting machine: after cut the raw material we put the brass pieces into Die casting machine. and make the brass into valve body .|
|A3||Cleaning :we cleaning the valve body fromDie casting machine and choose good quality valve body to do the next processing.|
|B1||CNC control make threads :we use CNC machine make threads of valve . in this step workers must use threads guage check to check threads 10 times per hour .|
|B2||Drill hole:we use drilling machine to make hole onvalve rod , after drill the hole we use drill machine make inner threads for valve rod to wedding with valve handle .|
High quality silicone :Workers inAssembly shop put high quality silicone in to brass valve body ,and check the inner surface of valve body.
|C1||Valve ball :we support three types of valve ball ,braas ball ,steel ball ,and stainless steel ball ,it means we can provide more different combinations for customer.|
Pneumatic screw machine : we use Pneumatic screw machine to tighten the scrow inside of valve .make sure enough
close between silicone and valve ball .
Handle wedding :workers wedding the brass ball valve handle and valve rod with screw ,in this step workers will check the threads of valve rod , also we can provide brass valve rod and steel valve rod .
|D1||Tighten the screws :works use Electric screwdriver to tighten the screw , and use wrench check every screw , ensure cloose between brass valve handle and valve rod.|
|D2||Pressure tester:to ensure high quality .we test brass ball valve one by one ,check the pressure and enusre there is no leakage .|
|D3||packaging:after pressure tester we packaging the conforming product into nylon bags and carton .|
1/4 & 3/8 & 1/2 FF type water, air,oil, and gas brass ball valve cheap small mini ball valve Images