Fully Welded Ball Valve (Q41)

？ Product Description Technical descriptions:？ Nominal diameter: ？Regular bore DN15 to DN 1400 (1/2" to 56");？ Nominal Pressure: PN 16 to PN 64 /？ANSI Class 150 to Class 800;？ Working temperature: -29 centigrade to 200 centigrade (-20 fahrenheit to 392 fahrenheit ) Service: District heating hot water, natural gas, oil, steam, petrochemical. etc.？ Operate actuator: Lever, gear (Vertical /？Horizontal), pneumatic /？electrical Reduced port as below: DN15-DN150 ( 1/2" to 6") DN200 to DN1400 ( 8" to 56") Benefits:？ 1？International Certificates &？Standards;？ 2？Designed for district heating system, heat transfer piping, oil pipelines and gas industry application 3？Same lifetime as the pipeline system;？ 4？Maintenance-free, no adjustment or lubrication with no running costs;？ 5？Bi-Directional valve.？ Main Characteristics:？ 1？One-piece welded body &？End piece connection pipe (Connection dimension to ASTM /？EN /？KS /？JIS /？GOST Standard. etc will be available.？ 2？Bubble tight excellent sealing with PTFE+C seats.？ 3？Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.？ 4？Anti blow-out stem.？ 5？Double O-rings ensure the stem sealing and are replaceable.？ 6？Stem dry bearing, metal with PTFE coating having self-lubricating capabilities. (Additional lubricant unnecessary.？ Materials Available:？ Body: ST37.8 /？A105 /？LF2 /？F304 /？F316. etc.？ Ball: F304 /？F316 (？Option upon request ) Seat: PTFE+C /？Nylon /？PEEK. etc.？ Size DNABLDD1D2 DN 15129642101521.342 DN 20129642301526.742 DN 25159762302033.448 DN 32159852602542.260 DN 40230953003248.376 DN 502301003004060.389 DN 653001593005076.1114 DN 803001703006588.9140 DN 10045019232580114.3185 DN 125450208325100141.3216 DN 150450241350125168.3219