Fully Welded Ball Valve

Main Characteristics:

One-piece welded body & End piece connection pipe (Connection dimension to ASTM / EN / KS / JIS / GOST Standard .etc will be available.

Bubble tight excellent sealing with PTFE+C seats.

Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.

Anti blow-out stem.

Double O-rings ensure the stem sealing and are replaceable.

Stem dry bearing, metal with PTFE coating having self-lubricating capabilities. (Additional lubricant unnecessary.

Technical descriptions:

Nominal diameter: DN15 to DN 200 (1/2" to 8") for floating type;

DN250 to DN1200(10" to 48") for trunnion type

Nominal Pressure: PN 16 to PN 64 / ANSI Class 150 to Class 300;

Working temperature: -29 ℃ to 200 ℃ (-20℉ to 392℉)

Service: district heating hot water, natural gas, oil, steam, petrochemical .etc.

Operate actuator: lever, gear (Vertical / Horizontal), pneumatic / electrical

Materials Available:

Body: ST37.8 / P235GH / A105 / LF2 / F304 / F316. Etc.

Ball : F304 / F316 ( Option upon request )

Seat: PTFE+C / Nylon / PEEK. etc.

Benefits:

International Certificates & Standards ;

Designed for district heating system , heat transfer piping , oil pipelines and gas industry application ;

Same lifetime as the pipeline system ;

Maintenance-free , no adjustment or lubrication with no running costs ;

Bi-Directional valve.