Trunnion ball valves are suitable for use on various kinds of pipelines of Class 150~Class 2500, PN16~PN160, JIS10K~JIS20K to cut off or turn on the pipeline medium, of which the operation types include worm gear, manual, pneumatic or electric actuators, being in general of flange connection, and butt welding ends connection as well.
 
■Urgent grease injection device
   ζ Double-block and bleed functions
   ζ Fire safe design
   ζ Self-relief in the body cavity
   ζ The Bi-sealing design structure,i.e. seat sealing in front of the ball and seat sealing behind the ball
   ζ Blow-out proof stem
   ζ Anti-static design
   ζ Mounting pad provided 

■Standards and specification 

    ζ Design & manufacture:API 6D\API 608\ASME B16.34\ANSI/AWWA C507\MSS SP-72\BS 5351\BS 6364\BFCI 70-2\ISO 5211\NACE MR0175 .

    ζ Connection ends:ASME B16.5\ASME B16.47\API 605\MSS SP-44\ISO 7005-1\JIS B2238\BS 12627\ASME B16.25\ASME B16.11\BS 12760 .

    ζ Face to face dimension:ASME B16.10\ISO 5752\BS 558\BS 12982

    ζ Testing & inspection:API 598\API 6D\API 607\API 6FA\BS 6755\BS 12569\MSS SP-82\MSS SP-61

    ζ Normal pressure or rating:Class 150 ~ Class 2500\JIS 10K ~ 20K\PN 10 ~ PN 160

    ζ Normal diameter or bore:NPS4~NPS36\DN50~DN900

    ζ Applicable temperature:-196℃~540℃

    ζ Operation type:Manual, worm gear, pneumatic, electric