The fully-welded ball valve is steel ball valve for the district heating and cooling systems.
This valve has the advantage of fully welded no leakage in body, light weight cost efficient,easy insulation,easy to install and operate, maintenance free and long service life.
The fully-welded ball valve is used a lot in the gas pipe line transferring, district water heating systems, the power stations, pulp and and paper industry, chemical and oil refining plants. Aran valve use the high advanced welding machine makes the integral welded body in perfect sealing, instead of traditional bolted body, this design will avoid any potential leakage from body.
For the under ground service need extend the valve stem,and the valve coating will be especial anti-corrosion and anti static, also can equip the valve pressure relief systems upon different working conditions.
This pipe weld design ball valve is an idea cost efficient ball valve for the low pressure gas and water transferring line. Such valve is maintenance free and long life service.
Nominal diameter: Reduced bore (Or Full bore) DN15 to DN 1000 (1/2” to 40”);
Nominal Pressure: PN 16 to PN 25 / ANSI Class 150 to Class 300;
End connection: Butt weld, Flange to DIN/GOST
Working temperature: -29 ℃ to 200 ℃ (-20℉ to 392℉)
Service: district heating hot water, natural gas, oil, steam, petrochemical .etc.
Operate actuator: lever, gear , pneumatic / electrical
-Body seamless Steel pipe : ST37.8/ST 37.0/STEEL20# / P235GH / 304ss/316ss / GP240GH (1.0619)，etc
-Body forged steel: A105 / LF2 / F304 / F316. Etc.
-Ball : F304 / F316 / 304/316 ( unsolid ball for low pressure service)
-Seat: PTFE+C / Nylon / PEEK. etc.
-Position indicator and locking device
-Maintenance-free , no adjustment or lubrication
-Standards:ASTM, ANSI,AWWA, JIS,BS, GOST, DIN etc.
End connection: RF, RTJ, BW, THR
Operation: Manual,Worm gear, Pneumatic,Electric
Standards:ASTM, ANSI,AWWA, JIS,BS, GOST, DIN etc.