KATA Cast steel trunnion mounted ball valves are offered in 2pc split body side entry or 3pc split body side entry. The valve body material are made of carbon steel, alloy steel and stainless steel. Under the bottom of seats, seat pre-loading springs are positioned to ensure two floating seats can attach the ball’s surface tightly, other more, pressure of medium also can push seats to attach ball tightly to ensure sealing more reliable.
The trunnion ball valve is equipped with a movable seat seal ring which can generate displacement under the pressure of medium. In case that any medium pressure exists, the pressure will press the valve seat seal ring onto the ball tightly, guaranteeing the sealing performance of the ball valve.
Design standard: ISO 14313、API 6D、BS 5351、GB/T 12237、GB/T 19672、API 607/6Fa
Full bore/Reduce bore
Anti-blow out stem
ISO 5211 Std. Top flange connection+
DBB (Double block and bleed)
DIB-1/DIB-2 (Double Isolation and Bleed)
Low temperature packing
Emergency grease injection device
Cavity pressure self relief
Nominal diameter: 2"~24"(DN15~600)
Pressure range: Class 150~900(PN20~PN150)
Body material：ASTM A216 WCB
ASTM A352 LCB
ASTM A351 CF8M
ASTM A351 CF3M
ASTM A351 CF8
ASTM A351 CF3
Trims material: ASTM A105+ENP
ASTM A350 LF2+ENP
ASTM A182 F6a
ASTM A182 F304/F304L
ASTM A182 F316/F316L
ASTM A182 F51
Seals material: PTFE、RPTFE、NYLON、MOLON、DEVLON、PEEK
End connection: RF、RTJ、BW;
Operator type: Wrench、 Worm gear、Electric actuator、pneumatic actuator、gas over oil actuator、electro-hydraulic actuator 、 etc.
Working temperature: -46~200℃
KAITAI, with over 20 years experience, is one of the professional reduced port gear operated trunnion mounted ball valve manufacturers and suppliers in China. All of our good equipments are made by professionals using advanced equipment. Welcome to buy with us.